Voltage tunable half wavelength microstrip filter
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United States of America Patent
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Jul 12, 1988
Grant Date -
N/A
app pub date -
Oct 20, 1987
filing date -
Oct 20, 1987
priority date (Note) -
Expired
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Abstract
A voltage tumble filter has several parallel coupled half wavelength lines. Each open end of a line is coupled to ground through a corresponding varactor. Voltage may be distributed to the varactors through a thin wire attached a quarter wavelength from each varactor.
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