This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces a continuous voltage of 1,600 V. Diodes are high voltage types.
This circuit is used to cut the “click” in the loudspeaker of amplifiers when they are turned on....
Found in RCA documentation from the 1970s, this circuit is intended for firing thyristors in inverter...
In the figure we have the way to control a TIC series triac with a reed switch. The current in the...