This simple unijunction and bipolar generator appeared in Radio Electronics magazine in September 1865. It generates signals from 100 kHz to 60 MHz and is powered by two 9 V batteries.
We found this circuit in a 2002 documentation. What it does is put in a reduced power outlet for...
This conventional LED effects circuit uses integrated CMOS. Today we can achieve the same effects...
We find this circuit in an American 1980s documentation. Modern equivalent integrated circuits can be...