This circuit for dual-gate MOSFET was found in a 90’s Popular Electronics. The coils are according to the frequency range that must be amplified.
With this circuit it is possible to have a symmetrical source from a simple source with voltages from...
The basic idea of the circuit shown in the figure is to increase the brightness of an ordinary...
This regulator can use BD'136 as the main transistor and as a reference next to a BC548 zener. The...