Traveling wave tube body current sensor

Details Traveling wave tube body current sensor Traveling wave tube body current sensor

1974-12-31

1976-02-03

Chatmon, Jr., Saxfield

Amplifiers

With traveling wave-type tube

315 35, 315276, 315277, 324127, H03F 358

Patent

active

039367320

ABSTRACT:
The body current of a TWT (traveling wave tube) is measured by generating a voltage that is proportional to the difference between the cathode and collector currents of the TWT without materially affecting either by passing the cathode and collector currents through separate transformer windings, wound in opposition, on both a linear core transformer and a nonlinear core transformer with separate windings coupling each transformer to the other. A voltage pulse is introduced into another winding on the nonlinear transformer causing a current flow in the circuit coupling the two transformers, the voltage magnitude of which is proportional to the difference between the cathode and collector currents which is the body current.

REFERENCES:
patent: 2712635 (1955-07-01), Borg
patent: 2950438 (1960-08-01), Gilbert
patent: 3165696 (1965-01-01), Poole
patent: 3566180 (1971-02-01), Ewton
patent: 3573536 (1971-04-01), Palmer

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