This simple wireless microphone circuit for the MW band was found in an old American documentation. The coil is the oscillator of an old MW radio.
Found in a 1999 documentation, this circuit makes use of a power germanium transistor and a...
We found this circuit in the March 1991 issue of Radio Electronics magazine. The integrated...
This Motorola circuit, found in old documentation, keeps the voltage applied to a load by a triac...