Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1996-02-28
1998-03-24
Pascal, Robert
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333209, 3332191, 333235, H01P 120, H01P 710
Patent
active
057317518
ABSTRACT:
A high frequency ceramic waveguide bandpass filter (100) having: two or more waveguide resonators (102) stacked vertically, each adjacent waveguide resonator is coupled with a shunt capacitance, and includes: a plate of dielectric material having a top planar surface (108), a bottom planar surface (110), and four side surfaces (112, 114, 116 and 118); a metallized receptacle (120) on the planar surface (108) and the bottom planar surface (110), the metallized receptacles (120) defining capacitive probes; a metallization layer on substantially all the surfaces of the resonators (102) with the exception of an unmetallized area (124, 126) surrounding the capacitive probes; and the resonators (102) having a conductive interface adapted to electrically connect to an adjacent resonator.
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Cunningham Gary J.
Motorola Inc.
Pascal Robert
Raufer Colin M.
Summons Barbara
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