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A New Tuning Method of Dual-Mode Waveguide Filters for Satellite Transponder  

이주섭 (한국전자통신연구원 통신위성개발센터)
엄만석 (한국전자통신연구원 통신위성개발센터)
염인복 (한국전자통신연구원 통신위성개발센터)
이성팔 (한국전자통신연구원 통신위성개발센터)
Publication Information
Abstract
For mass and volume reduction, input demultiplxer and output multiplexer of satellite transponder widely adopt dual-mode waveguide filters fer channel filters. Generally, channel filters of the input demultiplexer are doubly terminated and channel filters of manifold output multiplexer should be singly terminated fur correct operation. This paper gives a tuning method using short-ended dummy cavity for dual-mode cavity filters. Tuning is based on the match of the computed and measured phase response of reflection coefficient. This proposed method is applied to 4-pole dual-mode doubly terminated elliptic response filter and 6-pole dual-mode singly terminated elliptic response filter for demonstration of this new tuning method. It is shown that this method shows good agreement between the experimental and computed results.
Keywords
Doubly Terminated Filter; Singly Terminated Filer; Filter Tuning; Satellite Transponder;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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