This circuit appeared in the May 1983 issue of Radio Electronics magazine. It is based on the dedicated integrated circuit CEM3340. The circuit provides signals with various waveforms.
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...