Stacked dielectric filter
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United States of America Patent
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-
Dec 7, 2004
Grant Date -
Jan 30, 2003
app pub date -
Jun 27, 2002
filing date -
Jul 2, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stacked dielectric filter includes a filter section which has first and second input side resonant electrodes and first and second output side resonant electrodes of two 1/4 wavelength resonators, a converting section which has a plurality of strip lines, and a connecting section which connects the filter section and the converting section, wherein the filter section, the converting section, and the connecting section are formed in a dielectric substrate. The filter section is formed at an upper portion in the stacking direction of dielectric layers. The converting section is formed at a lower portion in the stacking direction. The connecting section is formed between the filter section and the converting section.
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