This circuit was found in old documentation, but the setting applies to any operational. Resistors and capacitors determine the frequency. For the indicated values the frequency is 10 kHz.
The shunt type regulators are connected in parallel with the load, deflecting the current to...
This circuit for multiple sound inputs was found in a Radio Electronics from January 1992. It...
Suggested by an American documentation for 1969 neon lamps, this circuit provides SCR control with...