TRANSCEIVER FOR RADIO LINE OF LOCAL-AREA NETWORK Russian patent published in 1998 - IPC

FIELD: computer engineering, digital communication lines. SUBSTANCE: device has serial circuit of transmitter, antenna switch and antenna, as well as power supply and receiver. Goal of invention is achieved by introduced subtraction circuits, commutator and receiver protection circuit. First input of receiver protection circuit is connected to second arm of antenna switch. Output of receiver protection circuit is connected to input of receiver. Output of receiver is connected to first input of subtraction circuit. Output of commutator is connected to first input of commutator. Second inputs of commutator, receiver protection circuit and subtraction circuit are joined and serve as device input; output of subtraction circuit serves as device output. EFFECT: increased electromagnetic compatibility with similar devices and communication equipment. 6 dwg