Adjustable coaxial filter device with axially adjustable inner conductor
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United States of America Patent
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Mar 25, 2008
Grant Date -
Aug 3, 2006
app pub date -
Feb 3, 2006
filing date -
Feb 3, 2005
priority date (Note) -
Expired
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Abstract
An adjustable filter includes an outer conductor, a first inner conductor, and a second inner conductor. The inner conductors are capacitively coupled on the same axis. The further may further include a third inner conductor capacitively coupled to both the first and second inner conductor. The third inner conductor is axially displaceable with respect to the first and second inner conductors. With this configuration, generation of intermodulation products can be minimized.
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