This configuration was found in an English magazine from 1965. It is valid for any junction FET. The input impedance is 5.5 M ohm higher than conventional stages.
May 13, 2015 - Mouser Electronics, Inc., the global authorized distributor with the newest...
This circuit was found in a recent English publication, making use of a power transistor that...
Written in an article in Radio Electronics magazine in April 1987, this circuit triggers an alarm...