HF-Attenuator

Details HF-Attenuator HF-Attenuator

1979-06-08

1981-07-14

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

333 22R, 333 81B, H01P 122

Patent

active

042789567

ABSTRACT:
The disclosure concerns an HF attenuator for a hollow waveguide or a coaxial conductor. A rod of dissipative ceramic material is disposed along the length of the attenuator, so that moving along the length of the attenuator, the ceramic material increasingly defines or replaces at least one wall of the hollow waveguide or at least one of the two opposite sides of the coaxial conductor. A coolant passage may be provided along the rods of ceramic material. The ceramic material may take other forms, such as leaves and annular rings. In another embodiment for use in a waveguide, at least one wall of the longitudinal opening through the waveguide is defined by ceramic leaves, whose extent of projection into the opening is varied for HF attenuation.

REFERENCES:
patent: 2412462 (1946-12-01), Marsten
patent: 2875418 (1959-02-01), Rolfs
patent: 3309634 (1967-03-01), Wheeler et al.
patent: 3916352 (1975-10-01), Powell
patent: 4156215 (1979-05-01), Stager

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