摘要 |
FIELD: electrical engineering. ^ SUBSTANCE: invention relates to bidirectional amplifier, half-duplex operation system with said amplifier and method of half-duplex operation. Proposed amplifier comprises amplifier, device to determine transmission direction for input signal of data coming into bidirectional amplifier that doubles as switching control signal feed device and switching device to change the connection state in response to switching control signal so that amplifier (C) amplifies data signal in direction of transmission. ^ EFFECT: determination of data signal transmission direction by comparing data signals transmitted in two directions, higher sensitivity of reception. ^ 9 cl, 4 dwg |