This circuit is from a 1991 Hobbyst Handbok. The circuit uses a small 6V secondary transformer to operate on a miniature xenon lamp inverter.
This TTL circuit with the 7493 makes the binary count of the pulses sent by a flip-flop with the...
This circuit has an accuracy of 1%. The components used must be precision as well. The input...
In the figure we have a circuit that fires from a positive pulse of short duration applied to its...