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.
September 2016 - It can be obtained from Mouser Electronics the new voltage regulators (LDOs) to...
This Headset Coupler or Phone Patch was found in an American 1980s amateur radio documentation. The...
This circuit, suggested by an old American publication, allows you to use the AM radio antenna of a...