This circuit was found in the April 1983 issue of Radio Electronics magazine. Its purpose is to couple an antenna to two receivers without problems with coupling losses.
We found this circuit in a 1977 Radio Shack documentation. The circuit should be powered, for...
Found in American documentation from the 90s, this circuit uses a GASFET of the time. The circuit is...
This circuit generates pulses when the light beam incident on the phototransistor is interrupted. The...