Capacitive coupling device for an electron tube

Details Capacitive coupling device for an electron tube Capacitive coupling device for an electron tube

1979-09-18

1981-11-24

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

333 24C, H01J 746, H01J 1980

Patent

active

043027059

ABSTRACT:
A coupling electrode is placed within the vacuum envelope of an electron tube of coaxial geometry which is insulated from the anode of the tube by means of an insulator. The insulator is joined to the coupling electrode and the anode of the tube by means of flanged collars. One of these collars may serve to connect the coupling electrode to one or a number of external circuits. A capacitive coupling is established between a top cap of one grid of the tube, namely the grid cap located nearest the coupling electrode, and the coupling electrode. The distance and therefore the coupling capacitance between the grid cap and the coupling electrode can be made variable by mounting the coupling electrode on a deformable metallic bellows element.

REFERENCES:
patent: 2619597 (1952-11-01), Mlynczak
patent: 2643302 (1953-06-01), Bradburd
patent: 2895076 (1959-07-01), Stocker
patent: 3153765 (1964-10-01), Weaver
patent: 3488555 (1970-01-01), Fritz
patent: 4174492 (1979-11-01), Holle

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