This 3-digit circuit was found in the 1992 special edition of the Radio Electronics Handbook. The circuit produces a standard voltage for bench testing.
Assembled with SMD components this circuit can be very small. The range is a few tens of meters. We...
With the circuit shown, obtained in a 1980 publication, a reed-relay is activated with a resistive...
This circuit is a shield for microcontrollers and computers drivind high power loads. In the...