RF or even switching transistors like the 2N2222 can be used in this circuit. The capacitors are ceramic and the frequency is determined by the crystal.
Found in a 1990s Popular Electronics, this circuit uses two transistors to boost the power of a...
This compressor circuit was obtained in a Motorola manual from the 80's. The components are from...
September 2016 – At Mouser Electronics is available audio drivers for the purpose of suitable...