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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 27. Отображено 27.
14-09-2015 дата публикации

MULTIPORT AMPLIFIER AND METHOD FOR CONTROLLING SAME

Номер: KR1020150103863A
Автор: MOON, SEONG MO, SHIN, DONG HWAN, LEE, MOON QUE, LEE HAN LIM, YUN, SO HYEUN, YOM, IN BOK
Принадлежит:

The present invention relates to a multiport amplifier and a method for controlling the same. The multiport amplifier overcomes the limit of reconfiguration and system flexibility due to fixed input/output relation, by applying a switch such as SP4T for controlling an output mode setting to a hybrid matrix; can be continuously used by port configuration due to efficient distribution and combination according to a switching mode even though there is an error in the amplifier of a system or various circuit configurations according to a service environment; can increase two times or more the availability of output compared with an existing multiple input/output amplifier; and can extend the lifespan of the system. COPYRIGHT KIPO 2015 (111) Switching unit ...

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Номер записи: 1
05-01-2017 дата публикации

디지털 직병렬 변환기 및 이를 이용한 ＧａＡｓ ＭＭＩＣ

Номер: KR0101692857B1
Автор: 정진철, 신동환, 주인권, 염인복
Принадлежит: 한국전자통신연구원

GaAs MMIC 디지털 직병렬 변환기를 구현함에 있어서 D 플립플롭의 동작이 보다 안정적으로 수행되게 하여 회로의 오동작을 최소화하도록 하는 디지털 직병렬 변환기 및 이를 이용한 GaAs MMIC를 제시한다. 제시된 디지털 직병렬 변환기는 입력받은 TTL의 클럭 신호와 직렬 데이터 및 로드 신호를 DCFL 신호로 바꾸는 변환부, 변환부를 통해 입력받은 직렬 데이터를 변환부를 통해 입력받은 클럭 신호에 의해 다음 단의 D 플립플롭에게로 이동시키고 다음 단의 D 플립플롭의 직렬 데이터를 변환부를 통해 입력되는 로드 신호에 의해 출력하는 복수의 D 플립플롭, 및 복수의 D 플립플롭으로부터 직렬 데이터를 입력받아 상보 신호를 생성하여 출력하는 복수의 버퍼를 포함한다.

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Номер записи: 2
21-03-2018 дата публикации

BROADBAND AMPLIFIER WITH SHUNT FEEDBACK CIRCUIT AND APPARATUS INCLUDING SAME

Номер: KR1020180029787A
Автор: JEONG, JIN CHEOL, SHIN, DONG HWAN, YOM, IN BOK, CHANG, DONG PIL
Принадлежит:

A broadband amplifier with a shunt feedback circuit is disclosed. The broadband amplifier according to an embodiment of the present invention includes a transistor including an input terminal and an output terminal, a matching circuit for performing input matching with respect to an input signal inputted to the input terminal, and a feedback circuit connected between the input terminal and the output terminal and feeding back the output signal outputted from the output terminal. Accordingly, the present invention can control a feedback amount of a signal according to a frequency. COPYRIGHT KIPO 2018 (103) Input signal (105) Output signal (110) Matching circuit (130) Transistor (150) Feedback circuit ...

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Номер записи: 3
19-11-2015 дата публикации

FREQUENCY MIXER

Номер: KR1020150129087A
Автор: JEONG, JIN CHEOL, CHANG, DONG PIL, YOM, IN BOK
Принадлежит:

The present invention according to an embodiment of the present invention relates to a frequency mixer, which minimizes a leakage current of LO signals generated in local oscillators at a receiver for communications system which uses a frequency band of 70 GHz or higher such as band E. The embodiment of the present invention includes: an oscillation unit which outputs LO signals; a first converter which converts inputted IF signals to different first and second IF signals; a first mixer which outputs the first IF signals, first RF signals mixed with the LO signals, and first leakage signals; a second mixer which outputs the second IF signals, the second RF signals mixed with the LO signals, and second leakage signals; and a second converter which mixes and attenuates the first and the second leakage signals and outputs RF signals mixed with the first and the second RF signals. COPYRIGHT KIPO 2016 (110) First converter (120) First mixer (130) Second mixer (140) Second converter (152) Amplifier ...

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Номер записи: 4
22-09-2016 дата публикации

MICROWAVE SWITCH WITH CAPACITIVELY COUPLED CONTROL LINE

Номер: KR1020160110618A
Автор: SHIN, DONG HWAN, MOON, SEONG MO, YOM, IN BOK
Принадлежит:

Suggested is a field-effect transistor switch which includes a source terminal, a drain terminal, and a gate thermal and further includes a capacitive control element which prevents the deterioration of a blocking performance due to parasitic capacitance between the source terminal and the drain terminal, between the gate terminal and a switch control voltage input node applied to the gate terminal. So, a small microwave switch with a high isolation level can be provided. COPYRIGHT KIPO 2016 ...

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Номер записи: 5
22-09-2016 дата публикации

WAVEGUIDE-SHAPED MICROWAVE MODULE TESTING APPARATUS

Номер: KR1020160110615A
Автор: UHM, MAN SEOK, KWAK, CHANG SOO, MOON, SEONG MO, SHIN, DONG HWAN, YOM, IN BOK, YUN, SO HYEUN, LEE, HONG YEOL
Принадлежит:

Provided is a waveguide-shaped microwave module testing apparatus, which includes: an upper part including a probe which can come into contact with a micro strip line and a ridge part which supports the probe; and a lower part coupled to the upper part to form a structure of a waveguide. According to the present invention, the waveguide-shaped microwave module testing apparatus can be simply manufactured and implemented at low costs. COPYRIGHT KIPO 2016 ...

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Номер записи: 6
30-06-2015 дата публикации

MICROWAVE SWITCH AND METHOD FOR PRODUCING MICROWAVE SWITCH

Номер: KR1020150072473A
Автор: SHIN, DONG HWAN, MOON, SEONG MO, YOM, IN BOK
Принадлежит:

Disclosed is a microwave switch. The microwave switch includes at least one semiconductor device connected to the ground in parallel to a transmission cable, and at least one inductor connected in series to the transmission cable. When the semiconductor device is shorted, the inductor interacts with the semiconductor device to match impedance. COPYRIGHT KIPO 2015 ...

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Номер записи: 7
05-02-2016 дата публикации

LINEAR BIAS CIRCUIT TECHNOLOGY OF AMPLIFIER FOR GALLIUM NITRIDE INTEGRATED CIRCUIT

Номер: KR1020160013636A
Автор: NOH, YOUN SUB, CHOI, YUN HO, YOM, IN BOK
Принадлежит:

The present invention relates to a signal amplifier through a gallium nitride integrated circuit which can output a high quality signal with high output power by improving linearity of an amplifier through a bias circuit differently applying gate voltage for each step of the amplifier to improve linearity of the amplifier; and can effectively apply to a small amplifier since the bias circuit can be embedded inside the integrated circuit without having an additional external power circuit. COPYRIGHT KIPO 2016 (301) Input (302) Output (321) Input-end matching circuit (322) Inter-end matching circuit (323) Output-end matching circuit (331) Initial-end amplifier (332) Output-end amplifier ...

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Номер записи: 8
03-04-2017 дата публикации

ACTIVE TIME DELAY DEVICE AND OPERATING METHOD THEREOF

Номер: KR1020170036282A
Автор: SHIN, DONG HWAN, MOON, SEONG MO, YOM, IN BOK, CHANG, DONG PIL, JEONG, JIN CHEOL
Принадлежит:

Provided is an active time delay device, which generates time delay while having a gain on a super-high frequency band by using a field effect transistor (FET) or a similar semiconductor device. The active time delay device comprises: a delay unit configured to delay an input signal for specific time by using at least one FET connected in a distribution type amplifier structure; and an output unit configured to output the delayed signal. The delay unit is arranged on the transmission line between the input unit and the output unit. COPYRIGHT KIPO 2017 (210) Delay unit (220) Adjustment unit (230) Output unit ...

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Номер записи: 9
03-06-2015 дата публикации

DIGITAL SERIAL-TO-PARALLEL CONVERTER AND GaAs MMIC USING SAME

Номер: KR1020150060346A
Автор: JEONG, JIN CHEOL, SHIN, DONG HWAN, JU, IN KWON, YOM, IN BOK
Принадлежит:

Suggested are a digital serial-to-parallel converter and a GaAa MMIC using the same, capable of stably performing the operation of a D flip flop and minimizing the malfunction of a circuit in embodying a GaAa MMIC digital serial-to-parallel converter. The digital serial-to-parallel converter includes a conversion part which changes the clock signal of inputted TTL, series data and a load signal into a DCFL signal, D flip flops which moves the series data inputted through the conversion part to the D flip flop of a next terminal by a clock signal inputted through the conversion part and outputs the series data of the D flip flop of the next terminal by a load signal inputted through the convention part, and buffers which receive the series data from the D flip flops, generate a complementary signal and output it. COPYRIGHT KIPO 2015 ...

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Номер записи: 10
08-05-2015 дата публикации

RF CAVITY FILTER WITH TUNING BOLT HOLDING MEMBER AND TUNING BOLT HOLDING MEMBER

Номер: KR1020150049452A
Автор: LEE, HONG YEOL, UHM, MAN SEOK, KWAK, CHANG SOO, YUN, SO HYEUN, YOM, IN BOK
Принадлежит:

An RF cavity filter including a tuning bolt holding member according to one embodiment of the present invention comprises: an upper block; a lower block forming a cavity inside with the upper block; a resonator located within the cavity; a tuning bolt which penetrates the upper block; and a tuning bolt holding member attached to one end of the tuning bolt, which holds the tuning bolt and the location of the tuning blocks. COPYRIGHT KIPO 2015 ...

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Номер записи: 11
25-05-2018 дата публикации

CORRUGATED HORN HAVING BROADBAND HIGH MONOPULSE TRACKING PERFORMANCE

Номер: KR1020180055489A
Автор: YUN, SO HYEUN, KWAK, CHANG SOO, UHM, MAN SEOK, YOM, IN BOK, LEE, HONG YEOL
Принадлежит:

A corrugated horn having the broadband high monopulse tracking performance is disclosed. According to an embodiment of the present invention, the corrugated horn having the broadband high monopulse tracking performance comprises: an opening surface; a round wave guide; and a neck connected to the round wave guide, and exciting a transverse electric (TE) mode of the round wave guide. A hybrid electric (HE) mode required by the opening surface to track a monopulse of the corrugated horn is formed by combining the TE mode and a transverse magnetic (TM) mode with a fixed rate. COPYRIGHT KIPO 2018 ...

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Номер записи: 12
29-05-2015 дата публикации

BIAS CIRCUIT USING NEGATIVE VOLTAGE POWER

Номер: KR1020150058932A
Автор: CHOI, YUN HO, NOH, YOUN SUB, JI, HONG GU, JEONG, JIN CHEOL, YOM, IN BOK
Принадлежит:

A bias circuit according to the present invention includes a first resistor which is connected between a ground terminal and a first node, a first bias transistor which includes a drain which is connected to the first node and a source which is connected to a second node, a second bias transistor which includes a drain which is connected to the second node and a source which is connected to a negative voltage power terminal, a third bias transistor which includes a drain which is connected to a ground terminal and a source which is connected to a third node, and a second resistor which is connected between the third node and the negative voltage power terminal. The gate of the first bias transistor is connected to the second node. The gate of the second bias transistor is connected to the negative voltage power terminal. The gate of the third bias transistor is connected to the first node. A gate bias voltage signal is outputted through the third node. COPYRIGHT KIPO 2015 ...

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Номер записи: 13
10-05-2018 дата публикации

ULTRA-HIGH FREQUENCY LOW LOSS POWER DISTRIBUTOR/SYNTHESIZER AND POWER AMPLIFIER INCLUDING SAME

Номер: KR1020180047680A
Автор: CHANG, DONG PIL, LEE, HONG YEOL, KWAK, CHANG SOO, SHIN, DONG HWAN, YOM, IN BOK, JEONG, JIN CHEOL
Принадлежит:

According to the present invention, disclosed is an ultra-high frequency low loss power distributor/synthesizer and a power amplifier including the same. The power distributor/synthesizer has a low loss property by combining and utilizing a waveguide and a coaxial transmission line for distribution and synthesis of an ultra-high frequency signal. According to an embodiment of the present invention, the power distributor/synthesizer comprises: the waveguide; and a converter converting an input signal, received from an input signal terminal, into a plurality of output signals, and outputting each of the plurality of output signals to a corresponding plurality of output signal terminals through the waveguide. The waveguide includes the converter. COPYRIGHT KIPO 2018 ...

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Номер записи: 14
26-05-2017 дата публикации

FREQUENCY DOUBLER HAVING OPTIMIZED HARMONIC SUPPRESSION CHARACTERISTICS

Номер: KR1020170058111A
Автор: MOON, SEONG MO, YOM, IN BOK
Принадлежит:

The present invention relates to a frequency doubler capable of minimizing undesired harmonic characteristics in a frequency doubled signal output by making the size of two differential signals be the same by adjusting gain of one of transistors receiving a differential input signal to adjust the size of a signal supplied to a virtual ground when outputting a frequency doubled LO signal through the virtual ground by amplifying the input differential signal by using a differential circuit structure. COPYRIGHT KIPO 2017 ...

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Номер записи: 15
06-12-2016 дата публикации

COMBINATION STRUCTURE OF WAVE GUIDE

Номер: KR1020160138722A
Автор: LEE, HONG YEOL, KWAK, CHANG SOO, UHM, MAN SEOK, YOM, IN BOK, YUN, SO HYEUN
Принадлежит:

According to an embodiment of the present invention, a combination structure of a wave guide includes: a first wave guide, of which one side is combined with a second wave guide, having a structure of which a height in a second direction increases toward a first direction; and a second wave guide combined with the first wave guide through a protrusion portion having a width narrow toward the first direction. COPYRIGHT KIPO 2016 (AA) Impedance matching area ...

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Номер записи: 16
12-02-2018 дата публикации

최적화된 고조파 억압 특성을 갖는 주파수 2체배기

Номер: KR0101828134B1
Автор: 문성모, 염인복
Принадлежит: 한국전자통신연구원

... 본 발명은 차동 회로 구조를 이용하여 입력 차동 신호를 증폭해 가상 접지를 통해 주파수 체배된 LO 신호를 출력하는 경우, 차동 입력 신호를 받는 트랜지스터들 중 한 쪽 트랜지스터의 이득을 조정해 가상 접지에 공급되는 신호 크기를 조절함으로써, 두 차동 신호의 크기를 같게 하여 주파수 체배된 신호 출력에서 원치 않는 고조파 특성을 최소화할 수 있는 주파수 2체배기에 관한 것이다.

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Номер записи: 17
08-07-2016 дата публикации

DIGITAL DAMPING DEVICE CAPABLE OF FINELY TUNING DAMPING VALUE

Номер: KR1020160081340A
Автор: JEONG, JIN CHEOL, YOM, IN BOK
Принадлежит:

According to an embodiment of the present invention, a digital damping device capable of finely tuning a damping value may comprise: a plurality of serially connected digital damping units; and an integrated damping unit finely tuning the damping value, when the output values of the digital damping units are received. According to the present invention, an analog damping function is added to a digital damping device, thereby providing accuracy, high controllability of the digital damping device, and a fine tuning function of an analog damping device. COPYRIGHT KIPO 2016 (100) Digital attenuator 1 dB (200) Digital attenuator 2 dB (300) Digital attenuator 3 dB (400) Integrated attenuator 8 dB ...

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Номер записи: 18
08-02-2017 дата публикации

MICROWAVE VARIABLE FILTER USING DUAL MODE

Номер: KR1020170014828A
Автор: KWAK, CHANG SOO, UHM, MAN SEOK, YOM, IN BOK, YUN, SO HYEUN, LEE, HONG YEOL
Принадлежит:

According to the present invention, disclosed is a microwave variable filter using dual mode. According to the present invention, the filter comprises a cylindrical cavity realizing a resonance mode having a plurality of resonant frequencies that are different from each other, and a plurality of slot irises formed in the cavity. A difference between the plurality of resonant frequencies that are different from each other can be determined according to a relative position of the plurality of slot irises. Also, since the relative position of the plurality of slot irises is properly adjusted, a transfer zero point is added by actively using an offset interaction with other modes around a used mode and thereby a blocking bandwidth can be widened. Moreover, in order to realize rapid roll-off of a transfer coefficient, a cavity is added and connected to the cylindrical cavity with the slot iris. Since the dimension of the cylindrical cavity the additional cavity of such filter is mechanically ...

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Номер записи: 19
28-05-2015 дата публикации

DIRECTIONAL COUPLER WITH HIGH ISOLATION PROPERTY

Номер: KR1020150057673A
Автор: JI, HONG GU, JU, IN KWON, YOM, IN BOK
Принадлежит:

The embodiment of the present invention relates to a directional coupler with a high isolation property. Provided is the directional coupler which includes a first directional coupler which includes a first main line and a first sub line and a second directional coupler which includes a second main line and a second sub line. The first directional coupler and the second directional coupler are serially connected. COPYRIGHT KIPO 2015 ...

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Номер записи: 20
06-01-2017 дата публикации

DIGITAL VARIABLE GAIN AMPLIFIER WITH DIGITAL CONTROL FUNCTION

Номер: KR1020170002092A
Автор: JEONG, JIN CHEOL, YOM, IN BOK
Принадлежит:

Disclosed are a digital variable gain amplifier amplifying an RF signal, a bias circuit, and a digital control device for the bias circuit. The digital variable gain amplifier includes: an amplifier amplifying a signal based on a gate voltage and a drain current; a bias circuit supplying the gate voltage and the drain current to the amplifier based on a parallel digital control signal; and a serial-parallel conversion circuit converting a serial digital control signal into the parallel digital control signal and then delivering the signal to the bias circuit. The bias circuit includes: a plurality of switching transistors each of which a gate is connected with each bit forming the parallel digital control signal; and a main transistor having a drain connected with power supply, and a source connected with the switching transistors in parallel. The digital control device for the bias circuit is connected in parallel with a load resistor connected with the source of the main transistor, and ...

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Номер записи: 21
27-08-2018 дата публикации

질화갈륨 집적회로 증폭기의 선형화 바이어스 회로 기술

Номер: KR0101891619B1
Автор: 노윤섭, 최윤호, 염인복
Принадлежит: 한국전자통신연구원

... 본 발명은 증폭기의 선형성을 개선하기 위하여 증폭기 단별 게이트 전압을 다르게 인가하는 바이어스 회로를 통하여 증폭기의 선형성을 개선하여 높은 출력전력에서 높은 품질의 신호를 출력해줄 수 있으며, 바이어스 회로가 집적회로 내에 내장이 가능하여 추가적인 외부 전원 회로가 필요치 않아 소형 증폭기 모듈에 효과적으로 적용될 수 있는, 질화갈륨 집적회로를 통한 신호 증폭기에 관한 것이다.

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Номер записи: 22
23-04-2018 дата публикации

MICROWAVE FILTER SYSTEM INCLUDING FEEDBACK STRUCTURE

Номер: KR1020180040915A
Автор: MOON, SEONG MO, YOM, IN BOK, LEE, MOON QUE
Принадлежит:

A microwave filter system including a feedback structure is disclosed. The microwave filter system includes: an input hybrid coupler for outputting first output signals with a phase difference with respect to an input signal; filters arranged in parallel with an output terminal of the input hybrid coupler and filtering the first output signals; and an output hybrid coupler for outputting second output signals with a phase difference with respect to each of the signals filtered through the filters, wherein the output signal of the output hybrid coupler is applied to an input terminal of the input hybrid coupler along a feedback path. Accordingly, the present invention can improve the isolation of the feedback path. COPYRIGHT KIPO 2018 ...

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Номер записи: 23
07-12-2015 дата публикации

DUAL REFLECTOR ANTENNA WITH HYBRID SUB-REFLECTOR

Номер: KR1020150136259A
Автор: YUN, SO HYEUN, KWAK, CHANG SOO, UHM, MAN SEOK, YOM, IN BOK, LEE, HONG YEOL
Принадлежит:

The present invention relates to a dual reflector antenna with a hybrid sub-reflector. More particularly, the present invention relates to a dual reflector antenna with a hybrid sub-reflector having a mixed structure of an oval and a hyperbola. A dual reflector antenna dual reflector antenna according to the embodiment of the present invention may include: a main reflector; and the sub-reflector which faces the main reflector and has a mixed structure of a first structure and a second structure. COPYRIGHT KIPO 2016 ...

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Номер записи: 24
07-06-2018 дата публикации

LOW PASS FILTER COMBINED WITH SPURLINE AND FORMING METHOD THEREOF

Номер: KR1020180060266A
Автор: SHIN, DONG HWAN, UHM, MAN SEOK, YOM, IN BOK, CHANG, DONG PIL
Принадлежит:

The present invention provides a low pass filter combined with spurlines having a high selectivity, and a forming method thereof. According to an embodiment of the present invention, the low pass filter comprises: a microstrip formed on a substrate; and a plurality of spurlines connected to the microstrip. COPYRIGHT KIPO 2018 (110) Microstrip (130-1) First spurline (130-2) Second spurline ...

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Номер записи: 25
07-10-2015 дата публикации

WAVEGUIDE BAND-PASS FILTER USING SHORT-CIRCUIT STUB FOR OUT-OF-BAND IMPROVEMENT

Номер: KR1020150112179A
Автор: LEE, HONG YEOL, UHM, MAN SEOK, KWAK, CHANG SOO, YUN, SO HYEUN, YOM, IN BOK
Принадлежит:

The present invention relates to a waveguide resonator for a band-pass filter capable of removing spurious or harmonic components which are not wanted on a frequency spectrum, by forming a short-circuit stub low frequency passing filter on the waveguide resonator, passing through low frequencies, and executing a stop band block function. COPYRIGHT KIPO 2016 ...

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Номер записи: 26
25-01-2017 дата публикации

HORN ANTENNA APPARATUS

Номер: KR1020170009588A
Автор: YUN, SO HYEUN, KWAK, CHANG SOO, UHM, MAN SEOK, YOM, IN BOK, LEE, HONG YEOL
Принадлежит:

The present invention relates to a horn antenna apparatus. The horn antenna apparatus according to the present invention includes a first horn antenna and a second horn antenna which is arranged so that an input waveguide corresponds to an output waveguide of the first horn antenna. One mode conversion waveguide is formed by connecting the output waveguide of the first horn antenna to the input waveguide of the second horn antenna to overlap with each other. Accordingly, the present invention can improve the efficiency of an antenna by using a TM mode. COPYRIGHT KIPO 2017 ...

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Номер записи: 27