Dual-mode band-pass filter
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United States of America Patent
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-
Apr 8, 2003
Grant Date -
Jan 17, 2002
app pub date -
Jul 10, 2001
filing date -
Jul 12, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dual-mode band-pass filter having a greatly reduced size and a high design flexibility, includes a frame-shaped electrode pattern disposed on one surface or inside a dielectric substrate. A pair of input-output circuits are coupled to the frame-shaped electrode pattern. The plane shape and the line-width of the frame-shaped electrode pattern are configured so that two generated resonance modes are coupled to each other.
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