Signal transmission circuit, signal transmission system, and signal transmission method

摘要

A signal transmission circuit includes a driver circuit that includes complementary inverters, each of the complementary inverters including a plurality of transistor switches, each of the plurality of transistor switches including a pair of transistors, one of the pair of transistors operating in a saturation region and another of the pair of transistors operating in a triode region to cause a certain impedance, and that drives each of the plurality of transistor switches in accordance with complementary signals so as to output complementary voltages to a transmission line; and first voltage sources that supply operating voltages to the driver circuit so as to adjust amplitudes of the complementary voltages output from the driver circuit to the transmission line.

主权项

1. A signal transmission circuit, comprising:
a driver circuit that includes complementary inverters, each of the complementary inverters including a plurality of transistor switches, each of the plurality of transistor switches including a pair of transistors, one of the pair of transistors operating in a saturation region and another of the pair of transistors operating in a triode region to cause a certain impedance, and that drives each of the plurality of transistor switches in accordance with complementary signals so as to output complementary voltages to a transmission line; first voltage sources that supply operating voltages to the driver circuit so as to adjust amplitudes of the complementary voltages output from the driver circuit to the transmission line; pre-drivers that output, to the driver circuit, complementary driving voltages for driving each of the plurality of transistor switches in accordance with the complementary signals; second voltage sources that supply operating voltages to the pre-drivers, the operating voltages being adjusted such that each of the plurality of transistor switches is driven in accordance with the complementary driving voltages so as to cause an impedance corresponding to a characteristic impedance of the transmission line; and a voltage adjustment unit that adjusts the operating voltages output by the second voltage sources, in accordance with the operating voltages output by the first voltage sources.