Source follower (CB7471E)

This circuit has a very high input impedance and a very low output impedance. We found it on a Radio Handbook. It can be applied to any FET.

TPS56x210AEVM 663 Evaluation Module for the Step Down Converter
July 2017 - The Texas Instruments step-down converter module of the same name IC can now be...
Temperature Test (CB3944E)
This circuit uses a metal enclosed transistor as a temperature sensor. The circuit is from an old...
Analog frequency meter (CB7918E)
Found in American documentation from the 90s, this circuit can measure frequencies on a linear...