R.F. Primed plasma limiter for radar receiver protector

Details R.F. Primed plasma limiter for radar receiver protector R.F. Primed plasma limiter for radar receiver protector

1981-09-10

1983-07-26

Gensler, Paul L.

Wave transmission lines and networks

Resonator-type breakdown discharge systems

333 17L, H01P 114

Patent

active

043956840

ABSTRACT:
The plasma switching stage of a radar receiver protector is simplified and improved by the utilization of a halogen gas filled quartz container and a "keepalive" electron source. The container is configured as a capillary stem filled with low pressure chlorine gas and provides the active switching element in the signal waveguide portion of the receiver protector. An enclosed r.f. energy source in combination with the capillary stem creates a copious and steady free electron supply. The r.f. exciting field used to activate the "keepalive" plasma is enhanced by a coaxial re-entrant cavity located on the top wall of the receiver protector waveguide.

REFERENCES:
patent: 3023380 (1962-02-01), Hill
patent: 3048838 (1962-08-01), Bretscher
patent: 3085239 (1963-04-01), Hoover
patent: 3309698 (1967-03-01), Baldock
patent: 3396388 (1968-08-01), Goldie
patent: 3534298 (1970-10-01), Goldie et al.
patent: 4027255 (1977-05-01), Blakeney et al.
Cork et al., Abstract of Serial No. 591,588, filed May 2, 1945, Published in 625 O.G. 248, on Aug. 2, 1949.

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