This circuit with a maximum current of 50 mA was found in the August 1998 issue of Electronics Now magazine. The integrated circuit used is not very common today.
Found in General Electric documentation from the 1980s, this high speed perforated tape reader...
This circuit indicates when the voltage of a 12 V battery is low. With changes, for example, the...
We found this signal generator circuit in the November 1978 issue of Radio Electronics magazine. The...