This circuit was used in tape recorders to clear the tape of any previous recordings for a new recording. The circuit is from a Radio Electronics dated September 1982.
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...