Using a common crystal diode and a 741, this circuit can be used to detect microwaves. The circuit is from old documentation and the switch selects the gains.
This small auxiliary amplifier was found in a Radio Electronics from May 1958. Power is supplied with...
This steady hand or nerve-rest or steady hand as called in the original English publication uses a...
The circuit shown in the figure consists of a fixed buck regulator using the MIC23021 integrated circuit...