This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only 10 Hz pass around a 400 Hz center frequency with the indicated components.
This circuit can be used in a toy organ. The frequencies are determined by the capacitors selected by...
May 2016 - Mouser Electronics is sourcing the new high-performance audio amplifiers with bipolar...
This circuit was obtained from the 1976 Siemens Integrated Circuits Manual. It is the circuit for...