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.
Found in a 90’s Radio Electronics magazine, this circuit uses a component from the time, difficult...
The purpose of this circuit is to imitate the dripping of a faucet. The circuit was found in a...
The output transistors can be BC548 and BC558. The circuit is from a 1975 documentation showing a...