64 us pulse delay (CB6659E)

Found in a 1968 Electronic Design, this circuit makes use of an unusual ultrasonic delay line today.

| Clique na imagem para ampliar |

Three Phase Protection (CB4342E)
This 1989 circuit activates a protection relay if one or two phases are missing from a three-phase...
Electronic Dice (CB24370E)
This simple TTL electronic dice uses common anode displays. The circuit is from a March 1975 Radio...
Event Missing Alarm (CB18649E)
This non-pulse alarm can be used as an event detector or even an alarm. The circuit can also be...