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Применить Всего найдено 2. Отображено 2.
20-10-2010 дата публикации

Circuit for converting direct-current positive and negative bipolar signal into unipolar signal through isolation

Номер: CN0101867365A
Автор: CHAOYANG CHEN, QIZHU FENG, TAO MA, MANYUN SHAO, CHEN CHAOYANG, FENG QIZHU, MA TAO, SHAO MANYUN
Принадлежит:

The invention relates to a circuit for converting direct-current positive and negative bipolar signal into unipolar signal through isolation, which comprises a signal input processing circuit, a MOSFET modulation circuit, a signal transformer, a driving transformer, a MOSFET demodulation circuit and a current addition circuit. In the circuit, the isolation of magnetism and electricity is performed by adopting the modulation-demodulation technology, and a polarity reversal current adder adopts a constant current signal outputted by a constant current source as an input reference signal of the inverted input end of an operational amplifier. The circuit improves the reliability of products and the conversion accuracy of the signal, and simultaneously, has a few components, reduces the cost of the products and reduces the volume of the products.

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Номер записи: 1
11-01-2012 дата публикации

Circuit for converting direct-current positive and negative bipolar signal into unipolar signal through isolation

Номер: CN0101867365B
Автор: CHAOYANG CHEN, QIZHU FENG, TAO MA, MANYUN SHAO, CHEN CHAOYANG, FENG QIZHU, MA TAO, SHAO MANYUN
Принадлежит:

The invention relates to a circuit for converting direct-current positive and negative bipolar signal into unipolar signal through isolation, which comprises a signal input processing circuit, a MOSFET modulation circuit, a signal transformer, a driving transformer, a MOSFET demodulation circuit and a current addition circuit. In the circuit, the isolation of magnetism and electricity is performed by adopting the modulation-demodulation technology, and a polarity reversal current adder adopts a constant current signal outputted by a constant current source as an input reference signal of the inverted input end of an operational amplifier. The circuit improves the reliability of products and the conversion accuracy of the signal, and simultaneously, has a few components, reduces the cost of the products and reduces the volume of the products.

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Номер записи: 2