Wave transmission lines and networks – Resonator-type breakdown discharge systems
Patent
1990-03-05
1990-10-16
Gensler, Paul
Wave transmission lines and networks
Resonator-type breakdown discharge systems
315 39, H01P 114
Patent
active
049638424
ABSTRACT:
A passive, broadband, millimeter wave, fin-line, gas discharge device operable for use in a radar system as a receiver protector. The preferred embodiment of this device comprises: a rectangular waveguide housing having a free electron emitting radioactive primer mounted upon one interior wall, an inert gas under pressure contained within the housing by two thin, low loss dielectric windows at opposing ends of the waveguide housing, and two bevelled, tapered fins operable to provide a narrow discharge gap region. Incident ratio frequency signals entering the radar system pass through the fin-line receiver protector. Signals entering the waveguide housing through the thin dielectric windows excite the free electrons causing the electrons to collide with the inert gas molecules. A spontaneous breakdown of gas occurring in the narrow discharge gap region between the two bevelled, tapered fins greatly attenuates the incident ratio frequency signal from entering the receiver thereby protecting it. Embodiments for board band, narrow band, low power and high power applications are described.
REFERENCES:
patent: 3781719 (1973-12-01), Darkee
patent: 4027255 (1977-05-01), Blakeney et al.
patent: 4245197 (1981-01-01), Goldie
patent: 4816785 (1989-03-01), Carlisle et al.
Gensler Paul
Sutcliff W. G.
Westinghouse Electric Corp.
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