Found in a 90s Popular Electronics, this circuit triggers a load from the audio signal applied to its input. The controlled load depends on the MOSFET.
This low power amplifier, with 2 W in charge of 16 ohms, was found in a Japanese magazine from the...
This circuit is used to test a triac and also to teach how it works. The load is an incandescent...
This circuit was found in the May 1983 issue of Radio Electronics magazine. The SSM7046 integrated...