Found in a 90s Radio Electronics, this circuit can supply currents of a few amps, according to the power transistor. The power transistor must be equipped with a heat sink.
This sonic key or vox was found in old English documentation. The operational admits equivalent as well as...
Found in a 80’s Popular Electronics, this circuit detects the positive peak of a signal providing a...
This circuit was found in a 1977 Radio Shack documentation. The unijunction transistor can be...