This 10 kHz filter was obtained from an article in Electronics Now magazine in February 1995. The power supply is dual and other equivalent operating conditions can be used.
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...