RF FILTER TUNING SYSTEM AND METHOD FOR MANUFACTURING FILTER USING THE SAME

An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter. 1. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements , the RF filter tuning system comprising:a measuring unit configured to measure resonance characteristics of the cavity of the RF filter;a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics; anda tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit,wherein the tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter to adjust a resonance value, thereby tuning the RF filter.2. The RF filter tuning system of claim 1 , further comprising a transfer robot configured to move the striking unit of the tuning unit above the RF filter.3. The RF filter tuning system of claim 2 , wherein the measuring unit measures coupling characteristics between the cavities claim 2 ,wherein the tuning unit comprises a tuning head,wherein the tuning head comprises the striking unit, and a fastening unit configured to fasten a screw ...

CAVITY-TYPE RADIO FREQUENCY FILTER

A cavity-type radio frequency filter is disclosed. the radio frequency filter having a cavity structure including an enclosure, a resonant element, a cover, a frequency tuning screw, and a resilient fixing member. The enclosure has a hollow inside and an open surface on one side to have a cavity. The resonant element is positioned in the hollow of the enclosure. The cover has a screw hole having a preset diameter at a position corresponding to the resonant element, and is configured to seal the open surface of the enclosure. The frequency tuning screw is configured to be screwed into the screw hole of the cover, and it has an upper end formed at least partially with a latching abutment that protrudes outwardly. 1. A radio frequency filter having a cavity structure , comprising:an enclosure having a hollow inside and having an open surface on one side to have a cavity;a resonant element positioned in the hollow of the enclosure;a cover having a screw hole having a preset diameter at a position corresponding to the resonant element, and configured to seal the open surface of the enclosure;a frequency tuning screw configured to be screwed into the screw hole of the cover, and having an upper end formed at least partially with a latching abutment that protrudes outwardly; and to be caught on the latching abutment of the frequency tuning screw and coupled between the frequency tuning screw and the cover,', 'to be annular and planar in shape having a hollow portion, and', 'to be generally tapered in cross section with a lower outer diameter narrowing into an upper inner diameter toward the hollow portion, and', 'to have a predetermined spring force., 'a resilient fixing member configured'}2. A radio frequency filter having a cavity structure , comprising:an enclosure having a hollow inside and having an open surface on one side to have a cavity;a resonant element positioned in the hollow of the enclosure;a cover having a screw hole having a preset diameter at a position ...

CAVITY FILTER AND CONNECTING STRUCTURE INCLUDED THEREIN

The present invention relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: first side terminal contacted with the electrode pad; and the second side terminal connected to the RF signal connecting portion, wherein at least any one of the first side terminal and the second side terminal has a housing space in which the other side terminal is housed, and a part of the at least one side terminal is elastically deformed by an assembly force provided by an assembler, and applies lateral tension to the other side terminal while elastically supporting the other side terminal toward the electrode pad. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device. 1. A cavity filter comprising:an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; anda terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion,wherein the terminal portion comprises:first side terminal contacted with the electrode pad; andthe second side ...

Cavity filter and connecting structure included therein

The present invention relates to a cavity filter. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion is divided into a first side terminal contacted with the electrode pad and a second side terminal connected to the RF signal connecting portion, absorbs the assembly tolerance existing in a terminal insertion port, in which the terminal portion is provided, through an elastic member provided between the first side terminal and the second side terminal, and prevents disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

CAVITY FILTER AND CONNECTING STRUCTURE INCLUDED THEREIN

The present invention relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: a first side terminal contacted with the electrode pad; and a second side terminal having a housing space in which a part of the first side terminal is housed, and connected to the RF signal connecting portion, wherein the first side terminal is provided as an elastic deformable body whose part is radially widened or narrowed against an assembly force provided by an assembler. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device. 1. A cavity filter comprising:an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; anda terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion,wherein the terminal portion comprises:a first side terminal contacted with the electrode pad; anda second side terminal having a housing space in which a part of the first side terminal is housed, and connected to the RF signal connecting portion,wherein the ...

CAVITY FILTER AND CONNECTING STRUCTURE INCLUDED THEREIN

The present disclosure relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: first side terminal contacted with the electrode pad; and the second side terminal connected to the RF signal connecting portion. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevents disconnection of an electric flow, thereby preventing degradation in performance of an antenna device. 1. A cavity filter comprising:an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; anda terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion,wherein the terminal portion comprises:a first side terminal contacted with the electrode pad; anda second side terminal connected to the RF signal connecting portion.2. The cavity filter of claim 1 , wherein the terminal portion is inserted into a terminal insertion port formed in a filter body having the RF signal connecting portion provided therein.3. The cavity filter of claim 2 , further comprising a dielectric body inserted into the terminal insertion port so as to cover the outside of the terminal ...

CAVITY FILTER AND CONNECTING STRUCTURE INCLUDED THEREIN

The present invention relates to a cavity filter including: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein a part of the terminal portion, positioned between the electrode pad and the RF signal connecting portion, is elastically deformed to absorb assembly tolerance existing in a terminal insertion port. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device. 1. A cavity filter comprising:an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; anda terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion,wherein a part of the terminal portion, positioned between the electrode pad and the RF signal connecting portion, is elastically deformed to absorb assembly tolerance existing in a terminal insertion port.2. The cavity filter of claim 1 , wherein the terminal portion is provided as a single terminal portion in the terminal insertion port.3. The cavity filter of claim 1 , wherein the terminal portion comprises:a first side terminal contacted with the electrode pad, and elastically deformed by an assembly force provided by an ...

RF FILTER TUNING SYSTEM AND METHOD FOR MANUFACTURING FILTER USING THE SAME

An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter. 1. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements , the RF filter tuning system comprising:a measuring unit configured to measure resonance characteristics of the cavity of the RF filter;a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics; anda tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit,wherein the tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter to adjust a resonance value, thereby tuning the RF filter.2. The RF filter tuning system of claim 1 , further comprising a transfer robot configured to move the striking unit of the tuning unit above the RF filter.3. The RF filter tuning system of claim 2 , wherein the measuring unit measures coupling characteristics between the cavities claim 2 ,wherein the tuning unit comprises a tuning head,wherein the tuning head comprises the striking unit, and a fastening unit configured to fasten a screw ...

Dielectric ceramic filter

The present invention relates to a dielectric ceramic filter including a dielectric block filled with a ceramic material and having an outer surface surrounded by a metal component, a resonance part provided in the dielectric block, having a space having a circular horizontal cross-section, and separated from the dielectric block by a metal film, and a tuning cover coupled to the dielectric block, configured to cover one side of the resonance part, and positioned at a portion corresponding to the resonance part, the tuning cover being configured to tune a frequency of the resonance part by being deformed in shape corresponding to a space of the resonance part, thereby increasing a production yield and implementing a high Q value when the volume remains the same.

RADIO FREQUENCY FILTER WITH CAVITY STRUCTURE

A radio frequency filter with a cavity structure is provided. The radio frequency filter includes a housing having an inner hollow portion to have a cavity and open from one side of the housing, a cover sealing the open side of the housing, and a resonant element disposed inside the hollow housing. A through hole is formed at a part of the cover, corresponding to the resonant element, and a tuning element is installed covering the through hole, for frequency tuning. The tuning element is formed of a material having a different thermal expansion coefficient from a thermal expansion coefficient of a material of the cover. 1. A radio frequency filter with a cavity structure , comprising:a housing having an inner hollow portion to have a cavity and open from one side of the housing;a cover sealing the open side of the housing; anda resonant element disposed inside the inner hollow portion of the housing,wherein a through hole is formed at a part of the cover, corresponding to the resonant element, and a tuning element is installed covering the through hole, for frequency tuning, andwherein the tuning element is formed of a material having a different thermal expansion coefficient from a thermal expansion coefficient of a material of the cover.2. The radio frequency filter according to claim 1 , wherein the tuning element is shaped into a cup.3. The radio frequency filter according to claim 2 , wherein a plurality of dot peens are formed on a bottom surface of the tuning element using an external marking equipment.4. The radio frequency filter according to claim 3 , wherein when the plurality of dot peens are formed on the bottom surface of the tuning element using the external marking equipment claim 3 , a concave portion is formed on the bottom surface of the tuning element.5. The radio frequency filter according to claim 1 , wherein the tuning element is shaped into a metal plate.6. The radio frequency filter according to claim 1 , wherein a thermal expansion ...

CAVITY FILTER

The present invention relates to a cavity filter and, in particular, provides an advantage of preventing performance deterioration of an antenna device by efficiently absorbing an assembly tolerance which may occur due to assembly design and preventing an interruption of an electrical flow, by comprising: an RF signal connecting part provided to be spaced apart at a predetermined distance from an external member having an electrode pad formed on one surface thereof; a terminal part which electrically connects the electrode pad of the external member to the RF signal connecting part, while absorbing an assembly tolerance existing within the predetermined distance and simultaneously preventing an interruption of an electrical flow between the electrode pad and the RF signal connecting part; a dielectric body which is inserted into a terminal insertion hole so as to surround the outside of the terminal part; and an elastic member which has a portion of the edge supported by the dielectric body and which elastically supports the terminal part by means of an operation in which a hollow part is deformed in the vertical direction when an assembly force is transmitted to the terminal part supported to pass through the hollow part, wherein the terminal part comprises one terminal brought into contact with the electrode pad and the other terminal connected to the RF signal connecting part. 1. A cavity filter comprising:an RF signal connector spaced apart at a predetermined distance from an external member having an electrode pad on one surface thereof;a terminal section configured to electrically connect the electrode pad of the external member to the RF signal connector and to absorb an assembly tolerance existing at the predetermined distance while preventing an interruption of electrical flow between the electrode pad and the RF signal connector;a dielectric body inserted into a terminal insertion port to surround the terminal section; andan elastic member having an edge ...

COAXIAL CONNECTOR

The present disclosure relates to a coaxial connector, and particularly, a coaxial connector including a fixing module which is connected to a first PCB, and a contact module which is coupled movably to the fixing module, and provided to be contactable to a second PCB facing the first panel, in which the contact module includes a contact body which is made of a conductive material, and has a hollow formed therein, a contact pin which is made of a conductive material, and disposed to penetrate the hollow of the contact body, and a contact insulator which is disposed in the hollow of the contact body to insulate the contact pin and the contact body by partitioning the contact pin and the contact body, and the contact module is configured so that the contact body, the contact pin, and the contact insulator are integrally formed to be assembled to the fixing module by a singular process, thereby providing the advantages which may reduce the cost of a product, and improve the quality of the product by improving a contact rate. 1. A coaxial connector comprising:a fixing module which is connected to a first panel; anda contact module which is coupled movably to the fixing module, and provided to be contactable to a second panel facing the first panel,wherein the contact module comprisesa contact body which is made of a conductive material, and has a hollow formed therein;a contact pin which is made of a conductive material, and disposed to penetrate the hollow of the contact body; anda contact insulator which is disposed in the hollow of the contact body to insulate the contact pin and the contact body by partitioning the contact pin and the contact body, andwherein the contact module is configured so that the contact body, the contact pin, and the contact insulator are integrally coupled to each other movably with respect to the fixing module between the first panel and the second panel.2. The coaxial connector of claim 1 ,wherein the contact module has the contact pin ...

Radio frequency filter having cavity structure

The present disclosure relates to a radio frequency filter having a cavity structure, and including a housing having internally a hollow space and an open side to provide at least one cavity, at least one resonance element located in the hollow space of the housing, a cover configured to have at least one groove which is internally threaded, recessed at a predetermined diameter and depth at a position corresponding to the resonance element, and has a bottom portion that is thinner than other portions, and to close the open side of the housing, and at least one frequency tuning screw configured to threadedly mate with the groove of the cover. When the frequency tuning screw threadedly mates with the groove, a bottom surface of the groove is depressed by the frequency tuning screw toward the resonant element.

CAVITY TYPE WIRELESS FREQUENCY FILTER HAVING CROSS-COUPLING NOTCH STRUCTURE

The present invention relates to a cavity type wireless frequency filter having a cross-coupling notch structure, the filter comprising a notch substrate provided for cross-coupling between at least two resonance elements among a plurality of resonance elements, wherein the notch substrate comprises: a main substrate, which is made of a non-conductive material and has the first and second coupling structures mechanically coupled with at least two resonance elements, respectively; and a conductive line which is implemented by a conductive pattern formed on the main substrate and transfers a signal of a first resonance element to a second resonance element by using a non-contact coupling method. 1. A cavity type wireless frequency filter having a cross-coupling notch structure , the filter comprising:a housing having a hollow therein to provide a plurality of cavities and an open surface at one side of the housing;a cover for blocking the open surface of the housing;a plurality of resonant elements disposed in the hollow of the housing; anda notch substrate installed for cross-coupling between at least two resonant elements among the plurality of resonant elements,wherein the notch substrate includes:a main substrate made of a non-conductive material and having a first coupling structure and a second coupling structure which are mechanically coupled to the at least two resonant elements; anda conductive line implemented with a conductor pattern formed on the main substrate and transmitting a signal of a first resonant element among the at least two resonant elements to a second resonant element thereamong through a non-contact coupling method.2. The filter of claim 1 , wherein the conductive line includes:a first sub conductor pattern electrically connected to a support of the first resonant element in the first coupling structure of the main substrate; anda second sub conductor pattern electrically connected to a support of the second resonant element in the second ...

CAVITY FILTER ASSEMBLY

The present disclosure provides a cavity filter assembly installed with an RF filter having an empty area formed between the RF filter and a cavity filter body serving as a ground to reduce the parasitic capacitance by forming the cavity filter body with a first pocket portion configured to install the RF filter and a second pocket portion within the first pocket portion in a position to overlap a transmission line, thereby reducing the insertion loss of the RF filter, which when serving as a low-pass filter, can position the harmonics in the stopband further away from the cutoff frequency and thus effect improved frequency characteristics of the low-pass filter through improvements of, for example, the frequency characteristics in the stopband. 1. A cavity filter assembly , comprising: a hollow container including a first pocket portion formed on one surface of the cavity filter and a second pocket portion formed in a predetermined region of a bottom surface of the first pocket portion; and', 'at least one or more resonant rods positioned within the hollow container;, 'a cavity filter, comprisinga radio frequency (RF) filter disposed within the first pocket portion; andat least one or more RF connection members coupled to the RF filter on other regions of the bottom surface of the first pocket portion.2. The cavity filter assembly of claim 1 , wherein the hollow container further comprises:at least one or more through-holes formed in the other regions of the bottom surface of the first pocket portion.3. The cavity filter assembly of claim 2 , wherein the RF connection member comprises:a dielectric bush assembled to the through-hole; anda pin member assembled to the dielectric bush and connected to the RF filter.4. The cavity filter assembly of claim 3 , wherein the RF filter has one end connected to the resonant rod by the pin member disposed of adjacent to the resonant rod.5. The cavity filter assembly of claim 4 , wherein the RF filter has another end to which an ...

CAVITY FILTER

The present invention provides a cavity filter having a slim and compact structure in which a push-pin type RF connector, which is formed such that a terminal is exposed to both sides or one side in a height direction, is embedded so as to reduce a size of an antenna system, quickly perform verification for an individual cavity filter while having high reproducibility, and enable the antenna system to be readily mounted. 1. A cavity filter used in a base station antenna for mobile communication and installed on an external member , comprising:a resonant element;a first case disposed on the external member and containing the resonance element therein; anda terminal unit arranged passing through the first case to electrically connect an electrode pad of the external member and the resonance element, the terminal unit being electrically insulated from the first case;wherein the terminal unit comprises:a terminal insertion hole formed in a lower end surface of the first case by recessing at least a part of the first case;a pin member comprising a pin portion disposed in the terminal insertion hole and having one end connected to the resonance element, and a terminal body portion extending from an opposite end of the pin portion and having a diameter larger than a diameter of the pin portion; andan elastic connector formed of a conductive material having elasticity and disposed between the terminal body portion and the electrode pad to electrically connect the terminal body portion and the electrode pad, the elastic connector being configured to be compressed to provide a contact pressure to the pin member and the electrode pad when the cavity filter is installed on the outer member.2. The cavity filter of claim 1 , further comprising:a dielectric bush inserted into the terminal insertion hole,wherein the terminal insertion hole comprises:a third insertion hole having a constant air gap with respect to the terminal body portion in a radial direction;a second insertion ...

Radio frequency filter

Disclosed herein is a radio frequency filter having a notch structure. The radio frequency filter includes a hollow housing having a plurality of partition walls defining a plurality of cavities and an open surface formed on one side, a cover configured to shield the open surface of the housing, a plurality of resonance elements positioned in the cavities of the housing, a coupling substrate arranged to cross a partition wall between at least two of the plurality of resonance elements, and a tuning screw inserted into the housing through the cover. The partition wall crossed by the coupling substrate includes a support window formed to have a first depth from the open surface, the coupling substrate being arranged through the support window, and a tuning window formed to have a second depth greater than the first depth from the open surface, the tuning screw being inserted into the tuning window.

CAVITY FILTER

The present invention relates to a cavity filter and, particularly, to a cavity filter comprising: a resonance element including a coupling block; a first case including the resonance element therein; a second case arranged so as to cover one surface of the first case; a terminal unit penetrating the first case such that one end thereof is protrudingly provided so as to be connected to an electrode pad of an external member provided on the outside of the first case and the other end thereof is electrically connected to the coupling block of the resonance element provided to be close to the second case, wherein the terminal unit is electrically insulated from the first case; and an assembly unit provided on either one side or both sides in the lengthwise direction of the case, and having a terminal insertion hole in which the terminal unit is insertedly provided, wherein the assembly unit is formed to protrude to the outside from a lower surface of the first case. 1. A cavity filter comprising:a resonant element comprising a coupling block;a first casing comprising the resonant element therein;a second casing disposed to cover one surface of the first casing;a terminal unit passing through the first casing such that one end thereof protrudes to be connected to an electrode pad of an external member provided outside the first casing and the other end thereof is electrically connected to the coupling block of the resonant element provided in proximity to the second casing, the terminal unit being electrically insulated from the first casing; andan assembly unit provided on either one side or both sides of the first casing in a longitudinal direction thereof and formed with a terminal insertion hole into which the terminal unit is inserted and installed,wherein the assembly unit protrudes outward from a lower surface of the first casing.2. The cavity filter according to claim 1 , wherein:the terminal insertion hole is formed in such a manner that at least a portion of ...

Rf filter tuning system and method for manufacturing filter by using same

Cavity filter

The present invention relates to a cavity filter and, in particular, provides an advantage of preventing performance deterioration of an antenna device by efficiently absorbing an assembly tolerance which may occur due to assembly design and preventing an interruption of an electrical flow, by comprising: an RF signal connecting part provided to be spaced apart at a predetermined distance from an external member having an electrode pad formed on one surface thereof; a terminal part which electrically connects the electrode pad of the external member to the RF signal connecting part, while absorbing an assembly tolerance existing within the predetermined distance and simultaneously preventing an interruption of an electrical flow between the electrode pad and the RF signal connecting part; a dielectric body which is inserted into a terminal insertion hole so as to surround the outside of the terminal part; and an elastic member which has a portion of the edge supported by the dielectric body and which elastically supports the terminal part by means of an operation in which a hollow part is deformed in the vertical direction when an assembly force is transmitted to the terminal part supported to pass through the hollow part, wherein the terminal part comprises one terminal brought into contact with the electrode pad and the other terminal connected to the RF signal connecting part.

Coaxial connector

The present disclosure relates to a coaxial connector, and particularly, a coaxial connector including a fixing module which is connected to a first PCB, and a contact module which is coupled movably to the fixing module, and provided to be contactable to a second PCB facing the first panel, in which the contact module includes a contact body which is made of a conductive material, and has a hollow formed therein, a contact pin which is made of a conductive material, and disposed to penetrate the hollow of the contact body, and a contact insulator which is disposed in the hollow of the contact body to insulate the contact pin and the contact body by partitioning the contact pin and the contact body, and the contact module is configured so that the contact body, the contact pin, and the contact insulator are integrally formed to be assembled to the fixing module by a singular process, thereby providing the advantages which may reduce the cost of a product, and improve the quality of the product by improving a contact rate.

Cavity filter assembly

The present disclosure provides a cavity filter assembly installed with an RF filter having an empty area formed between the RF filter and a cavity filter body serving as a ground to reduce the parasitic capacitance by forming the cavity filter body with a first pocket portion configured to install the RF filter and a second pocket portion within the first pocket portion in a position to overlap a transmission line, thereby reducing the insertion loss of the RF filter, which when serving as a low-pass filter, can position the harmonics in the stopband further away from the cutoff frequency and thus effect improved frequency characteristics of the low-pass filter through improvements of, for example, the frequency characteristics in the stopband.

Cavity filter and connecting structure included therein

The present invention relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: a first side terminal contacted with the electrode pad; and a second side terminal having a housing space in which a part of the first side terminal is housed, and connected to the RF signal connecting portion, wherein the first side terminal is provided as an elastic deformable body whose part is radially widened or narrowed against an assembly force provided by an assembler. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Ontelorakenne ja siihen sisältyvä liitäntärakenne

Ontelorakenteinen radiotaajuussuodatin

Connecting structure and cavity filter comprising the same

The present invention relates to a connecting structure comprising an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion comprises:first side terminal contacted with the electrode pad; andthe second side terminal connected to the RF signal connecting portion, wherein at least any one of the first side terminal and the second side terminal has a housing space in which the other side terminal is housed, and a part of the at least one side terminal is elastically deformed by an assembly force provided by an assembler, and applies lateral tension to the other side terminal while elastically supporting the other side terminal toward the electrode pad,wherein an upper end portion of the second side terminal is housed in the lower end portion of the first side terminal, and the first side terminal has tension cut portions formed therein so as to be widened along the outer surface of the upper end portion of the second side terminal when the first side terminal is moved downward by an assembly force provided by an assembler.

Cavity filter and connecting structure included therein

The present invention relates to a cavity filter including: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein a part of the terminal portion, positioned between the electrode pad and the RF signal connecting portion, is elastically deformed to absorb assembly tolerance existing in a terminal insertion port. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Cavity filter with a slim and compact structure

A cavity filter comprising: a resonance element including a coupling block; a first case and a second case housing the resonance element; a terminal unit penetrating the first case to be connected to an electrode pad of a PCB provided on the outside of the first case and the other end thereof is electrically connected to the coupling block of the resonance element; and an assembly unit provided on either one side or both sides of the case, and having a terminal insertion hole in which the terminal unit is insertedly provided, wherein the assembly unit is formed to protrude to the outside from a lower surface of the first case. the assembly unit provide a height between the first casing and PCB so the cavity filter avoid interference with the devices mounted on the PCB.

Cavity filter assembly

The present disclosure relates to a cavity filter assembly and, particularly, comprises: a filter body having a cavity, which is a predetermined space therein; and at least one resonance bar having a front end surface that forms a stamped part, which is a protruding surface protruding from the bottom surface of the filter body toward the cavity so as to be parallel to the bottom surface of the filter body in the cavity, for frequency tuning in the cavity, and having a tuning correction hole that penetrates the stamped part, wherein the resonance bar allows frequency tuning to be performed in the cavity through stamping on the outer surface of the stamped part from the outside of the filter body, and the tuned frequency can be corrected through the tuning correction hole, and thus the advantages of reducing the total weight and component costs of an antenna device and improving product productivity are provided.

Dielectric ceramic filter

Koaksiaaliliitin

Connecting structure and cavity filter comprising the same

The present invention relates to a connecting structure comprising an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion comprises:first side terminal contacted with the electrode pad; andthe second side terminal connected to the RF signal connecting portion, wherein at least any one of the first side terminal and the second side terminal has a housing space in which the other side terminal is housed, and a part of the at least one side terminal is elastically deformed by an assembly force provided by an assembler, and applies lateral tension to the other side terminal while elastically supporting the other side terminal toward the electrode pad,wherein an upper end portion of the second side terminal is housed in the lower end portion of the first side terminal, and the first side terminal has tension cut portions formed therein so as to be widened along the outer surface of the upper end portion of the second side terminal when the first side terminal is moved downward by an assembly force provided by an assembler.

Rf-suodattimen viritysjärjestelmä ja menetelmä suodattimen valmistamiseksi mainittua viristysjärjestelmää käyttämällä

Connecting structure and cavity filter comprising the same

Terminal portion configured to connect an RF signal connector to an electrode pad of an external device over a predetermined distance

The present disclosure relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: first side terminal contacted with the electrode pad; and the second side terminal connected to the RF signal connecting portion. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevents disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Filter and manufacturing method for same

The present invention relates to a filter and a method of manufacturing the same, the filter including an RF connector configured to have a predetermined electrical signal line, a filter body having at least one impedance matching space in which the RF connector is installed, a relevant PCB on which one end of the RF connector is fixedly mounted, the relevant PCB coupled to be in close contact with one side surface of the filter body, and an annular gasket interposed between one side surface of the filter body and the relevant PCB to block a signal leak, in which a concave-convex portion is processed on a surface of one side surface of the filter body to which the annular gasket is attached to increase an attachment area, thereby providing an advantage of improving a bonding force of an attachment portion to which the gasket is attached.

Filter and manufacturing method for same

The present invention relates to a filter and a method of manufacturing the same, the filter including an RF connector configured to have a predetermined electrical signal line, a filter body having at least one impedance matching space in which the RF connector is installed, a relevant PCB on which one end of the RF connector is fixedly mounted, the relevant PCB coupled to be in close contact with one side surface of the filter body, and an annular gasket interposed between one side surface of the filter body and the relevant PCB to block a signal leak, in which a concave-convex portion is processed on a surface of one side surface of the filter body to which the annular gasket is attached to increase an attachment area, thereby providing an advantage of improving a bonding force of an attachment portion to which the gasket is attached.

Ｒｆコネクタ

【課題】全体的な部品のサイズを減らすことができるＲＦコネクタを提供する。【解決手段】ＲＦコネクタは、複数の素子が実装された第１の印刷回路基板と、一側部が第１の印刷回路基板の少なくとも一側に隣接する領域に固定された少なくとも一つの第１の信号伝達ピンと、第１の印刷回路基板から離間されて配置された第２の印刷回路基板と、上記一側部の反対側の少なくとも一つの第１の信号伝達ピンの他側部に接触可能なように、第２の印刷回路基板の少なくとも一側に隣接する領域に配置される少なくとも一つの接続端子と、少なくとも一つの第１の信号伝達ピンと少なくとも一つの接続端子との接触を維持するために、少なくとも一つの第１の信号伝達ピンの少なくとも一面に力を加えるように構成された第１のプッシュバーと、第１のプッシュバー及び第２の印刷回路基板に固定され、第２の印刷回路基板及び第１のプッシュバーのうちの少なくとも一部を遮蔽するように構成された第１の金属遮蔽板と、を含む。【選択図】図２

Switchable filter

The present invention relates to a switchable filter comprising: a filter unit in which a first filter group for filtering the frequency of a first frequency band is provided on one surface thereof and a second filter group for filtering the frequency of a second frequency band is provided on the other surface thereof on the basis of a center partition wall; and a frequency band switching unit, which moves to be adjacent to or separated from the one surface or the other surface of the filter unit, and thus converts a frequency band into the first frequency band or the second frequency band. Therefore, the deterioration of RF characteristics is prevented and selective conversion between frequency bands is facilitated.

Cavity filter and connecting structure included therein

The present invention relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: a first side terminal contacted with the electrode pad; and a second side terminal having a housing space in which a part of the first side terminal is housed, and connected to the RF signal connecting portion, wherein the first side terminal is provided as an elastic deformable body whose part is radially widened or narrowed against an assembly force provided by an assembler. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Cavity filter

The present invention relates to a cavity filter and, particularly, to a cavity filter comprising: a resonance element including a coupling block; a first case including the resonance element therein; a second case arranged so as to cover one surface of the first case; a terminal unit penetrating the first case such that one end thereof is protrndingly provided so as to be connected to an electrode pad of an external member provided on the outside of the first case and the other end thereof is electrically connected to the coupling block of the resonance element provided to be close to the second case, wherein the terminal unit is electrically insulated from the first case; and an assembly unit provided on either one side or both sides in the lengthwise direction of the case, and having a terminal insertion hole in which the terminal unit is insertedly provided, wherein the assembly unit is formed to protrude to the outside from a lower surface of the first case.

Filter and manufacturing method for same

Cavity filter for antenna

The present invention relates to a cavity filter for an antenna, specifically to a cavity filter comprising: a filter body having a plurality of cavities which are open at one side and are divided by a partition wall; a resonance bar installed at each of the plurality of cavities; a resonance bar boss into which a part of the resonance bar is inserted and which is provided such that the resonance bar is installed at the cavity; and a tolerance management stopper part which is disposed between an inner peripheral surface of the resonance bar boss and an outer peripheral surface of the resonance bar to perform stop-and-moving functions in an insertion direction of the resonance bar in designing the tolerance of the cavity, thereby providing the advantage of improving a production yield of an entire product.

Cavity filter assembly

The present disclosure relates to a cavity filter assembly and, particularly, comprises: a filter body having a cavity, which is a predetermined space therein; and at least one resonance bar having a front end surface that forms a stamped part, which is a protruding surface protruding from the bottom surface of the filter body toward the cavity so as to be parallel to the bottom surface of the filter body in the cavity, for frequency tuning in the cavity, and having a tuning correction hole that penetrates the stamped part, wherein the resonance bar allows frequency tuning to be performed in the cavity through stamping on the outer surface of the stamped part from the outside of the filter body, and the tuned frequency can be corrected through the tuning correction hole, and thus the advantages of reducing the total weight and component costs of an antenna device and improving product productivity are provided.

Cavity filter

Rf connector

An RF connector is disclosed herein. An exemplary embodiment of the present disclosure provides an RF connector including: a first printed circuit board on which a plurality of devices is mounted; a first bridge assembly mounted on an area adjacent to at least one side of the first printed circuit board and including a plurality of first signal transmission pins; a second printed circuit board disposed to be spaced apart from the first printed circuit board; a plurality of connection terminals disposed at an area adjacent to at least one side of the second printed circuit board so as to be in contact with at least one surface of the plurality of first signal transmission pins; a first push bar configured to apply a force to at least one surface of the plurality of first signal transmission pins to keep the contact between the plurality of first signal transmission pins and the plurality of connection terminals; and a first metal shielding plate fixed to the first push bar and the second printed circuit board, and configured to shield at least some of the second printed circuit board and the first push bar.

Switchable filter

The present invention relates to a switchable filter comprising: a filter unit in which a first filter group for filtering the frequency of a first frequency band is provided on one surface thereof and a second filter group for filtering the frequency of a second frequency band is provided on the other surface thereof on the basis of a center partition wall; and a frequency band switching unit, which moves to be adjacent to or separated from the one surface or the other surface of the filter unit, and thus converts a frequency band into the first frequency band or the second frequency band. Therefore, the deterioration of RF characteristics is prevented and selective conversion between frequency bands is facilitated.

Cavity filter comprising a terminal portion having first and second conductive terminals with an elastic member disposed there between

The present invention relates to a cavity filter. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion is divided into a first side terminal contacted with the electrode pad and a second side terminal connected to the RF signal connecting portion, absorbs the assembly tolerance existing in a terminal insertion port, in which the terminal portion is provided, through an elastic member provided between the first side terminal and the second side terminal, and prevents disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Cavity-type radio frequency filter

Antenna device

Cavity filter comprising an elastically deformable terminal portion, where a first side terminal is inserted into a housing of a second side terminal of the terminal portion

The present invention relates to a cavity filter and a connecting structure included therein. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion includes: first side terminal contacted with the electrode pad; and the second side terminal connected to the RF signal connecting portion, wherein at least any one of the first side terminal and the second side terminal has a housing space in which the other side terminal is housed, and a part of the at least one side terminal is elastically deformed by an assembly force provided by an assembler, and applies lateral tension to the other side terminal while elastically supporting the other side terminal toward the electrode pad. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Radiotaajuussuodatin

Cavity filter

Radio frequency filter

Cavity filter and connecting structure included therein

The present invention relates to a cavity filter. The cavity filter includes: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein the terminal portion is divided into a first side terminal contacted with the electrode pad and a second side terminal connected to the RF signal connecting portion, absorbs the assembly tolerance existing in a terminal insertion port, in which the terminal portion is provided, through an elastic member provided between the first side terminal and the second side terminal, and prevents disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

Ontelosuodatin

Radio frequency filter with cavity structure

A radio frequency filter with a cavity structure is provided. The radio frequency filter includes a housing having an inner hollow portion to have a cavity and open from one side of the housing, a cover sealing the open side of the housing, and a resonant element disposed inside the hollow housing. A through hole is formed at a part of the cover, corresponding to the resonant element, and a tuning element is installed covering the through hole, for frequency tuning. The tuning element is formed of a material having a different thermal expansion coefficient from a thermal expansion coefficient of a material of the cover.

Antenna device

The present invention relates to an antenna device and, particularly, the antenna device comprises: a printed board assembly (hereinafter, referred to as “PBA”) having a plurality of antenna-related components mounted on one surface thereof, and having a plurality of filters mounted on the other surface thereof, an antenna board which is arranged to be stacked on one surface side of the PBA, and which has a plurality of antenna elements mounted on one surface thereof and connected to construct electrical signal lines with the filters in close contact with the other surface thereof, and clamshell units interposed between the other surface of the PBA and one surface of the filters to perform a signal shielding function, wherein the insides of the clamshell units include strip line connectors which absorb the assembly tolerance between the clamshell units while being partially deformed by means of the adhesion of the filters during close-coupling of the filters, and which shield a signal by means of ground surfaces arranged around the strip line connector while constructing the electrical signal lines, and thus the manufacturing cost of the filters is reduced and impedance properties are prevented from being easily disrupted.