This TTL circuit uses LED indicators and must be powered by a voltage of 5 V. The capacitor determines the speed of the draw. We found it in documentation from the 90s.
This circuit was found in an old American documentation on telecommunications. It is suitable for...
This circuit for discharging NiCad batteries limits the current to a value that can be adjusted in the...
This circuit was found in a 1997 publication, but it uses few common components and is very...