This TTL circuit consists of a frequency divider or converter that has values selected by a switch. The circuit is from Radio Electronics from December 1980 and must be powered by a voltage of 5 V.
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...