This circuit was found in an old American documentation. Its purpose is a proportional scanning signal for the oscilloscope of the time, which used cathode ray tubes.
Found in a 1991 publication this circuit can be assembled with more modern components. We can use...
We found this circuit in a 1987 documentation. Its purpose is to turn on a garage light using the...
This is the circuit of a turntable from the 1970s. We found it in a repair article in the December...