TUNING OF MANIFOLD FILTER ASSEMBLY WITH FILTERS TUNED PRIOR TO CONNECTION TO THE MANIFOLD
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United States of America Patent
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N/A
Issued Date -
Jul 31, 2003
app pub date -
Jan 30, 2002
filing date -
Jan 30, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of tuning individual filters in an assembly of filters connected to a manifold, such as a microwave multiplexer, prior to assembly of the multiplexer, is accomplished by energizing a subject filter to be tuned with an electromagnetic signal provided by a network analyzer. The filter is tuned by adjustment of a tuning component, such as a tuning screw within the filter, while the network analyzer presents the transfer function of the filter during the tuning process. To compensate for tuning effects of the other filters and of the manifold, which are manifested upon a connection of the filters to the manifold, the transfer function of the assembly is loaded into a computer of the network analyzer. Thereby, during a tuning of the filter, the presentation of the filter transfer function by the network analyzer includes the tuning effects of the rest of the assembly.
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