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.
A flash of light on one sensor or the touch of your fingers on the other type of sensor will turn...
In the figure below we have a simple way to perform a function test for a solar cell. The circuit is...
This circuit is used in short wave receivers that do not have the BFO (Beat Frequency Oscillator) for...