This TTL circuit is from a Radio Electronics magazine from February 1973. The circuit must be powered with 5 V and the maximum frequency depends on the TTL integrated circuit.
T We found this circuit in the 1960 Mullard transistor application manual. The circuit can be...
We found this circuit in a 1998 documentation. It tests common household appliances to see if they...
This configuration found in other companies' manuals is from Motorola's 1993 Linear Interface ICs....