Multiple cable test (CB7388E)

This multiple cable test sequential circuit was found in Radio Electronics. The connector must be according to the type of cable to be tested.

| Clique na imagem para ampliar |

Flyback Test (CB16441E)
Horizontal output or flyback transformers are no longer used today, as they only appeared on...
Electronic Lock (CB16566E)
This electronic car lock was found in a 1988 magazine. It uses a code key that must be activated to...
1 A Regulator 741 (CB16261E)
This circuit uses an operational 741 and two transistors to obtain a regulated voltage that...