This squelch circuit is placed at the input of the single receiver audio amplifier stage. Its purpose is to silence background noise. The circuit is from an 80's documentation.
This circuit was suggested by a 1967 General Electric manual. The waveforms of the generated...
We found this circuit in a 1967 RCA SCR manual. The circuit uses components from the era. The...
This circuit has been found in older telecommunications documentation. Its purpose is to produce a...