Found in a 1980s American documentation, this crystal-controlled oscillator generates 100 MHz signals. The crystal used is 20 MHz. Modern equivalent transistors can be used.
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...