Found in an EEE this circuit uses FETs of the time and a bipolar one. Current equivalent transistors can be used.
The circuit shown in the figure triggers a relay when S1 is pressed, but this only in the absence of...
It is an electronic capacitor where the capacitance "seen" by an external circuit connected to...
Found in a 1964 Electronic Design, this circuit shows how to modulate a signal with a dynamic low...