Suggested by General Electric this circuit has 3 control positions for one load. The diode is according to the controlled load current.
The purpose of this circuit is to detect the movement of a person by the changes in light that...
This circuit was obtained from the February 1992 Radio Electronics magazine. In it, a bar of 4...
This circuit has an automatic dynamic gain control in a range of 6 dB to 40 dB. We found it in...