Found in a 1969 Ferranti documentation, this circuit uses only bipolar transistors from that time. Transistors can be replaced with modern equivalents.
This filter for scratched disc noise was found in an English documentation from 1989. The...
Mouser Electronics owns the Littelfuse SP3422 low-capacitance TVS diode arrays. These components are...
This two-tone decoder has a bandwidth of 24%. The circuit is from a 1994 Electronics Now. The...