Found in a 90s Popular Electronics, this circuit uses a 741 to generate frequencies from 0.1 to 30 Hz. Observe the phototransistor feedback.
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...