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 |

Transistor Amplifier - TIP31 / 32 (CB1004E)
This circuit consists of a traditional version amplifier with complementary output transistors...
Precision Current Source (CB5139E)
This circuit is from a manual of linear integrated circuits of the 80s. The operational is of the...
Code Practice Oscillator (CB4207E)
Also suitable for use as a noisy alarm, this Morse Code or telegraph practice oscillator was found...