This circuit is based on the TDA3810N. We found it in the March 1992 issue of Radio Electronics magazine. The circuit consists of an audio processor capable of working with two audio channels.
Using an operational amplifier with FET, this circuit was found in an English documentation from...
With the first project we present, a relay is activated in the presence of light. We can use it as...
This AC amplifier has a gain of 40 dB. It was found in the May 1988 issue of Radio Electronics magazine....