This simple digital circuit tester can work with TTL technology when powered by 5 V and with CMOS when powered by voltages from 3 to 15 V. The circuit provides LED indications and uses current ICs.
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...