Precision cathode current regulator

Details Precision cathode current regulator Precision cathode current regulator

1979-08-30

1981-06-23

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

324404, 324410, G05F 308

Patent

active

042753473

ABSTRACT:
A precision cathode current regulator for controlling cathode current in a cathode-ray tube having a field effect transistor which is stabilized by an operational amplifier connected in a feedback mode. A second operational amplifier is electrically coupled to the field effect transistor for measuring cathode voltage accurately without affecting the regulated current.

REFERENCES:
patent: 3417319 (1968-12-01), Shaughnessy
patent: 4101823 (1978-07-01), Farmer, Jr.
patent: 4163188 (1979-07-01), Culmer

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