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 |

Digital control with relays (CB23773E)
With the coded activation of the relays, it is possible to control which of the 16 outputs...
Programmable Current Shield (CB19955E)
The integrated circuit used in this application is not very common. Transistors and resistors...
Mains Voltage Indicator (CB11532E)
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...