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.
The idea of this circuit is to press the button in such a way that the flow of the LED in the...
This is the receiver for the previous circuit we found in the December 1992 Radio Electronics...
This circuit was obtained in a documentation from the National Bureau of Standards of 1968. The...