Integrated down converter and interdigital filter apparatus and method for construction thereof
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United States of America Patent
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May 28, 1991
Issued Date -
N/A
app pub date -
Oct 24, 1988
filing date -
Sep 30, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An integrated down converter and interdigital filter apparatus having a down converter and a number of interdigital filters mounted on the same printed circuit board and installed in the watertight housing. The housing of each interdigital filter is cut from sheet metal, with a conductive surface on the printed circuit board as one side. A method for construction of the interdigital filter is also set forth.
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