Paraphase amplifier (T389E)

This 6C5 tube circuit was found in a modern tube design manual. The circuit applies to other equivalent triodes.

UCC21225A Two Channel Isolated Gate Driver - Texas Instruments
Texas Instruments UCC21225A is available from Mouser Electronics. It is an isolated gate driver...
FET Instrumentation Amplifier (CB4933E)
We found this circuit with very high input resistance in an old documentation. The circuit is still...
Stepper Motor Control (CB13805E)
This configuration was found in a 1976 publication. The outputs of the logic circuits are applied to...