Found in an American circuit manual from the 1970s, this circuit can use any general-purpose transistor. The operating frequency range is from 600 to 4000 Hz.
Two inverters, of the 6 available in a Low-power Schottky 74LS04, are used in this anti-ring...
This old dimmer with SCR appeared in Radio Electronics magazine in February 1962. SCRs were just...
The supply of this circuit can be done with voltages from 8 to 28 V and the maximum output current is...