Suggested by Radio Electronics from the 90s, this circuit is suitable for NiCAd batteries with a low battery indicator and a charge indicator.
This powerful sound emitter used in defense to intimidate people was found in a 90s Popular...
In the figure we have a current source that can be both positive and negative, depending on the...
The figure shows how to use the XR2206 to generate sinusoidal signals in a different way. The...