Tunable filter and methods of characterizing and tuning said filter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 18, 2001
app pub date -
Feb 16, 2001
filing date -
Feb 16, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for characterizing a frequency response of a tunable filter (11) includes the steps of adjusting a tuning means (12) to a first predetermined position; measuring the resonance frequency of the filter (10); temporary storing the measured resonance frequency and the position; and repeating these steps for a number of different predetermined positions of the tuning means. A mathematical function representing tuning means position as a function of resonance frequency is then determined, whereby several advantages are achieved. Little memory is required and the function provides for rapid and accurate tuning of the filter.
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