This 1/2 hertz high selectivity filter was found in the December 1990 issue of Radio Electronics magazine. The source must be symmetrical. The capacitors can be changed for other frequencies.
Another of the many anti-bounce circuits that we have in this section of our website. This one...
The circuit shown in the figure generates a signal between 50 and 100 MHz and can therefore be...
This audio amplifier with differential input steps is designed to operate with asymmetric sources...