This circuit was originally intended to operate with a solar source for experiments. Transistors are general purpose, and the output current is relatively low.
May 2017 - Mouser Electronics is already in stock with the new BCP1395 transistors from Nexperia....
This circuit was obtained from an 80's Electronic Engineering. The circuit detects ice formation...
We found this circuit in an old manual. The bypass range is 20 MHz and the power supply must be...