muting circuit

muting circuit

[′myüd·iŋ ‚sər·kət]
(electronics)
Circuit which cuts off the output of a receiver when no radio-frequency carrier greater than a predetermined intensity is reaching the first detector.
Circuit for making a receiver insensitive during operation of its associated transmitter.
References in periodicals archive ?
They also remove the standard transistorized muting circuit (they say it has a "negative sonic impact") and install a relay-based muting circuit.
Upon inquiring if this noise was an anomaly the distributor said it was from the relay-based muting circuit that Tjoeb substitutes for the stock part.