Found in 1965 Delco Radio documentation, this circuit uses transistors from that era. Modern equivalents can be used. The characteristics of the inductor were not given.
Found in an American magazine from 1968, this circuit produces pulses free of bounces on its...
This circuit uses a 6-bit A / D converter from Philips, and has its output compatible with most...
The purpose of this circuit is to produce a quick discharge on a shorted battery to attempt its...