General Electric suggests this circuit in a 1980s documentation. The operational of the time is FET-type input. Modern equivalents may be used.
This circuit was suggested by a Radio Shack publication from the 1980s. The purpose of this...
This squelch is activated by its own noise, acting automatically. It is used in communications...
January 2017 - Mouser Electgronics has in its inventory the new CoolMOS transistors from Infineon to...