This circuit from Delta Products was published in the May 1974 Radio Electronics magazine. The circuit consists of a capacitive discharge ignition for 12 V vehicles.
Found in a magazine from the '90s, this circuit uses an integrated circuit from the era that is...
We now present the 4013 in its bistable configuration, in which we use 3 flip-flops (1 and a half...
This simple receiver was found in a book on transistors from 1954. The coil determines the...