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.
This configuration is from a 1964 US documentation valid for any FET. The range of power voltages...
We found this circuit in a Popular Electronics of the 90s. The circuit uses a touch sensor formed by...
This circuit was found in a 1967 Electronics World. We can design it with a BF245 for the FET and a...