| 摘要 |
A signal transceiving circuit, comprising: a receiver, for receiving a input signal; a transmitter, for transmitting an output signal; and a resistance circuit, for omitting the noise caused by the output signal to the input signal. The resistance circuit comprises: a voltage transferring circuit, for generating a voltage transferred signal, and a voltage dividing circuit, for voltage dividing the voltage transferred signal and the output signal, such that the voltage generated at the receiver is cancelled by the voltage generated by the voltage transferred signal at the transceiver. A noise reduction circuit that can be utilized in this signal transceiving circuit is also disclosed.
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