Found in old documentation, this circuit uses a double gate MOSFET. The operating frequencies depend on the coil, and the indicator is a microammeter.
This single-cell Li-Ion battery charger was found in a 2005 Linear Technology manual. The circuit...
This circuit is from old documentation and can be assembled with 2N2646 for the unijunction and...
A safe way to obtain a sinusoidal signal of excellent quality and low frequency without the need...