H - Electricity – 01 – P
Patent
H - Electricity
01
P
333/106
H01P 1/12 (2006.01)
Patent
CA 1286005
ABSTRACT OF THE DISCLOSURE An improved switching arrangement 10 for waveguide is disclosed which comprises, in combination, a coaxial switch 12 and a unified, multi-port, waveguide interface 14. The coaxial switch 12 has coaxial connectors of a first type (12a, 12b, 12c) mounted in a parallel pattern with a preestablished center-to-center spacing. The waveguide interface 14 includes flanges (14a, 14b, 14c), and is preferably formed as a waveguide housing having a transition plate portion and a cover plate portion. Each port of the unified waveguide interface includes internal waveguide-to-coax transitions for coupling to a respective external connector of a second type. The external coaxial connectors (16a, 16b, 16c) are configured in a parallel pattern with center-to- center spacings equal to the preestablished center-to- center spacings of the coaxial switch connectors (12a, 12b, 12c) such that these connectors mate directly with those of the unified waveguide interface. By so doing, intervening coaxial cables or adaptors are eliminated and relatively low insertion loss and fast switching speed are exhibited over a relatively broad bandwidth. In an exploded view of the first embodiment, depicted at 20 in Fig. 2, the waveguide-to-coax transitions are in the form of multi-stepped impedance transformers (26a-26e) suitable for bandwidths approximating an octave. In an exploded view of the second embodiment, depicted at 30 in Fig. 3, the waveguide-to-coax transitions are formed without steps but are constructed and arranged to have a back partition (22, 23, 24) in proximity to an electric probe, each formed by a center post 34 surrounded by dielectric 32 which is part of a miniature coaxial connector (16a, 16b, 16c).
560192
California Microwave Inc.
Mccarthy Tetrault Llp
LandOfFree
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