This circuit for controlling high power LEDs (up to 2A) is from a General Electric documentation from 1970. The circuit serves to modulate a transmitter in PWM. The circuit serves as a shield.
This simple multitester tests continuity, semiconductors, leaks, and other common component...
A passive mixer with few components is that of the circuit shown, found in a 1982 documentation. As readers...
The purpose of this circuit is to detect audio that amplitude modulates an RF carrier. The circuit is...