Suggested by Radio Electronics from the 90s, this circuit is suitable for NiCAd batteries with a low battery indicator and a charge indicator.
We show an oscillator that produces rectangular TTL signals based on inverters. Inverters can also be...
We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a...
This circuit, with an operational amplifier, was found in the Motorola Dataar Linear of 1990. The...