Common gate stage (CB7470E)

This circuit for FET was obtained from a 1977 Radio Handbook. The input impedance is 150 ohm. The output is high impedance.

Debouncer (CB20546E)
This anti-ringing circuit was found in an English documentation from 1996. The integrated circuit is...
Higher gain stage (CB25057E)
The figure shows how to increase the gain of the amplifier stage of the previous circuit. The...
Voltage Controlled Function Generator (CB18882E)
This circuit uses unusual operational amplifiers, but equivalents can be tried. FETs can also be...