Linear-beam cavity circuits with non-resonant RF loss slabs

Details Linear-beam cavity circuits with non-resonant RF loss slabs Linear-beam cavity circuits with non-resonant RF loss slabs

1993-12-21

1995-12-19

Lee, Benny T.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 539, H01J 2354, H01J 2534

Patent

active

054771072

ABSTRACT:
Lossy slabs are provided in linear-beam tubes such as coupled-cavity TWTs and klystrons to produce a more level tube response over its full operating band, and to eliminate oscillations at the upper cut-off frequency in the TWTs. The slab thicknesses are selected to produce a substantially non-resonant field of about one-quarter wavelength within the slab when the tube is operated within its passband. The slabs are formed from a dielectric material with a conductive mixture of at least about 15%.

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patent: 5162697 (1992-11-01), Davis et al.
Gilmour, Jr., A. S.; Microwave Tubes, Artech House, Inc.; 1986; pp. 201-209 and 302-313.

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