This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit uses a transformer for excitation and requires 10W input for full output power.
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...