Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1991-01-10
1991-11-19
LaRoche, Eugene R.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333204, 333235, H01P 1203
Patent
active
050669346
ABSTRACT:
A method of adjusting a frequency response in a stripline filter device having a pair of stacked dielectric substrates with a plurality of stripline resonator conductors being sandwiched therebetween, wherein the frequency adjusting is performed for each resonator conductor under the condition that the resonator conductor(s) adjacent to one to be determined is electrically connected via a fine strip member to the ground layer, thereby correctly tuning the frequency response of each resonator conductor without any influence of the other resonator conducting layers.
REFERENCES:
patent: 4157517 (1979-06-01), Kneisel et al.
patent: 4523162 (1985-06-01), Johnson
patent: 4975664 (1990-12-01), Ito et al.
Ito Kenji
Shimizu Hiroyuki
Wakita Naomasa
Ham Seung
LaRoche Eugene R.
NGK Spark Plug Co. Ltd.
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