Amplifiers – Involving structure other than that of transformers per se – With printed circuits
Patent
1998-09-02
2000-03-21
Gensler, Paul
Amplifiers
Involving structure other than that of transformers per se
With printed circuits
330 68, 330286, 333 26, H03F 100, H01P 5107
Patent
active
060407395
ABSTRACT:
A new amplifier module construction enhances the manufacturer's ability to repetitively construct multiple copies of millimeter microwave amplifiers having performance characteristics that are consistent with one another, particularly in input VSWR ratio characteristic, and which performance characteristic do not significantly change following any necessary rework of the amplifier module, including any MMIC chip replacement. In this module, a waveguide to microstrip transition is formed of a backshort member that is separate from the metal base or cover and that backshort member is held pressed in place against the substrate by force exerted by the module's cover plate through a spring member against the exterior of the backshort member. The spring member is formed by a resilient compressible gasket.
REFERENCES:
patent: 5235300 (1993-08-01), Chan et al.
patent: 5414394 (1995-05-01), Gamand et al.
patent: 5770981 (1998-06-01), Koizumi et al.
patent: 5912598 (1999-06-01), Stones et al.
Dow G. Sam
Durham Arthur J.
Ferris Matthew D.
Wedeen Robert S.
Gensler Paul
Goldman Ronald M.
TRW Inc.
Yatsko Michael S.
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