High frequency filter having common coupling rods fixedly mounted and coupled through a common wall
AssigneeRadio Frequency Systems, Inc.
InventorsWilliam D. Blair, Salvatore Bentivenga
Life of this patent
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Abstract
A technique for directly coupling multiple high frequency resonant cavity filters includes a common port 62 that is directly coupled to a coupling rod 76 that is mounted within a first high frequency resonant cavity filter housing 64 of a housing assembly 60. The coupling rod 76 is directly coupled by a conductor 74 to an coupling rod 72 that is mounted within a second high frequency resonant cavity filter housing 66. The conductor 74 passes through an opening 78 in a common wall 80 between the first 64 and the second 66 high frequency resonant cavity filter housings. Thus, both filters 64, 66 are directly coupled to the common port 62.
Claims4
A high frequency filter assembly having a plurality of input/output ports (62, 68, 70), comprising:
- a housing assembly (24) having a common wall (80b) with an aperture (78b);
- a plurality of resonator rods (38) fixedly mounted within said housing assembly (24);
- one of the plurality of input/output ports (62, 68, 70) being a common port (62) mounted to said housing assembly (24);
- a plurality of common coupling rods (72, 76) fixedly mounted within said housing assembly (24);
- and
- means for directly coupling said common port (62) to said plurality of common coupling rods (72, 76) through the aperture (78b) of said common wall (80b), by directly connecting a first one of the plurality of coupling rods (76) to the common port (62), and electrically connecting each remaining one of the plurality of coupling rods (72) to the first one of the plurality of common coupling rods (76) with a copper wire (74) through said aperture.
Dependencies are inferred from the claim text.