Frequency modulation assembly and cavity filter
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Mar 21, 2016
filing date -
Dec 31, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A frequency modulation assembly includes a self-locking screw, a self-locking adjuster and an elastic member. The self-locking screw has a first external screw thread, the self-locking adjuster has a mounting hole in which an internal screw thread is formed, the self-locking screw is inserted into the mounting hole, and the first external screw thread is engaged with the internal screw thread to achieve a connection between the self-locking screw and the self-locking adjuster, one end of the self-locking screw which passes through the mounting hole is inserted into a ceramic resonance rod in the cavity filter, and the elastic member is connected with the self-locking screw and configured between the self-locking adjuster and the ceramic resonance rod. The frequency modulation assembly can decrease accumulated assembly tolerances, reduce manufacturing cost and improve assembly efficiency, further the elastic member is beneficial to adjust the accuracy of the frequency modulation effect.
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