Single bus communication signal isolation circuit
A communication signal and isolation circuit technology, applied in the field of communication, can solve problems such as inability to effectively isolate, and achieve the effects of improving stability, improving reliability, and reducing the bit error rate of signal transmission.
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[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the explanatory text.
[0043] Such as figure 1 As shown, the present invention provides a single-bus communication signal isolation circuit, including a host transceiver circuit and a slave transceiver circuit, and the host transceiver circuit includes a first pull-up resistor Rup1, a first comparison unit, a first optocoupler U3 and a first Reference signal generation unit. The slave transceiver circuit includes a second pull-up resistor Rup2, a second comparison unit, a second optocoupler U6 and a second reference signal generation unit.
[0044] In order to achieve electrical isolation between the host transceiver circuit and the slave transceiver circuit, eliminate the signal interference between the host transceiver circuit and the slave transceiver circuit, and improve the accuracy and ...
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