| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that it is difficult to increase the using efficiency of a signal transmission line and realize bidirectional signal transmission for accurately transmitting signals at a high speed by the fewer number of signal- lines by a conventional signal transmission technique. SOLUTION: This circuit is provided with a driver 11 (31) for outputting transmission signals to the signal transmission line 2, a receiver 12(32) for receiving reception signals from the signal transmission line and a compensation voltage generation circuit 13(33) for generating a compensation voltage (Voff+ and Voff-) for compensating an interference voltage due to the driver and supplying the compensation voltage to the receiver. The output level of the compensation voltage generation circuit is controlled, corresponding to the phase relation of the transmission signals and the reception signals, and bidirectional signal transmission is performed.
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