This JFET amplification stage was found in the April 1993 issue of Electronics Now. The input impedance is 10 Megohms.
This circuit is used to protect an amplifier from excessive power output that would cause problems for...
This circuit was found in a French magazine Toute LÉlectronique from 1978. Transistors are not...
This circuit was found in documentation from the 50's. The circuit uses transistors of the time...