| 摘要 |
A bidirectional signal transmission system of the present invention includes a first transceiver, a second transceiver, and a transmission line connecting the first transceiver and the second transceiver with each other, in which the first transceiver transmits a first signal to the second transceiver while the second transceiver simultaneously transmits a second signal to the first transceiver. The first transceiver includes: a first constant current circuit out of which a current flows, the current having a level which changes according to a logical level of the first signal; and a first current difference compensation circuit for compensating for a difference between the current flowing out of the first constant current circuit and a current flowing along the transmission line. The second transceiver includes: a second constant current circuit into which a current flows, the current having a level which changes according to a logical level of the second signal; and a second current difference compensation circuit for compensating for a difference between the current flowing into the second constant current circuit and the current flowing along the transmission line.
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