The gain of this step is controlled by the feedback circuit depending on the strength of the input signal. The circuit will operate with modern general-purpose transistor.
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...