Adjustable band suspended substrate filter
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United States of America Patent
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-
Jul 18, 1989
Grant Date -
N/A
app pub date -
Sep 25, 1987
filing date -
Sep 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adjustable band filter comprising a conductive screening body (10, 11) made of two parts (10 and 11) joined to each other on either side of a separation plane (13), a cavity (12) inside said body, said cavity containing a half wavelength resonant line (15) carried on a first face (16) of a suspended substrate (14), the substrate being end-coupled and received in grooves (17) made in the walls of the first portion (10). The first face (16) of the substrate (14) divides the cavity (12) into two asymmetrical volumes in such a manner as to enable the passband of said filter to be modified.
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