This logic tester circuit was published in the November 1980 issue of Radio Electronics magazine. The circuit works with both TTL and CMOS logic and has several selectable functions.
We found this oscillator in a 1978 amateur radio documentation. The circuit supports other...
Small time intervals up o some minutes can be achieved with this circuit. Only incandescent lamps...
In the figure we show yet another CMOS component based voltage controlled oscillator circuit. The...