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.

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Hand Dryer (CB18786E)
With this circuit it is possible to use a common hair dryer as a hand dryer. The circuit is timed...
1kW x 10 kHz sinusoidal converter (CB20999E)
This circuit was obtained from an American documentation from the 90's. Inductors are critical...
Multiplexed mixer (CB20762E)
This configuration from the 1970s can be applied to modern equivalent operational amplifiers. The...