This is a typical circuit for an old microwave oven. We took it from an August 1973 Radio Electronics magazine, from an article that taught how to make repairs.
This circuit was found in an English magazine from 1983, but it can be assembled with BC548. The...
This circuit tunes MW radios to apply the signal to a good audio amplifier. The circuit is from an...
The cascade connection of two flip-flops allows division by 4, as shown in the figure. Note that...