This circuit uses components of the time. We found it in a 1968 US documentation. The delay is 100 ns and the input impedance is 1 k.
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...