Voltage regulator circuit for an electron microscope

Details Voltage regulator circuit for an electron microscope Voltage regulator circuit for an electron microscope

1976-11-24

1978-01-03

Heyman, John S.

328221, 328270, H01J 2100

Patent

active

040669718

ABSTRACT:
A voltage regulator circuit for an electron microscope incorporates step-down and step-up transformers connected between the filament supply and the filament of a regulator triode. The triode has a cathode separate from the filament, the cathode being connected to the center-tapped primary of the step-up transformer. A magnification-reducing resistor may be connected across the grid and cathode of the triode.

REFERENCES:
patent: 2742568 (1956-04-01), Mansson
patent: 2801379 (1957-07-01), Rosenberg
patent: 3376491 (1968-04-01), Mas

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