Suggested by an American documentation for 1969 neon lamps, this circuit provides SCR control with expanded phase angle range.
The purpose of this circuit is to emit infrared pulses. However, LEDs for visible light can also...
This circuit is from Ferranti documentation from 1967. The operational is of the time, but the...
This simple preamplifier presents a high input impedance and can be used with microphones, piezo...