This circuit is indicated for the analysis of pulses in TTL circuits. The circuit is from a documentation from the 70s and must be powered with a 5V voltage.
This TTL circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit has...
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
Placed near a telegraphic transmitter (CW) and with a small antenna or pickup, it reproduces the...