Design of a 180-degree hybrid with Chebyshev filtering response using coupled resonators

A novel 180 ° hybrid with third-order Chebyshev filtering response is proposed in this paper. The coupling coefficients and the external quality factors can be synthesized from the theory of coupled resonator filter. The proposed idea is verified with experimental results, with good agreement betwee...

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Main Authors: Wan-Rou Liu, Ting-Yi Huang, Chi-Feng Chen, Tze-Min Shen, Ruey-Beei Wu
Format: Conference Proceeding
Language:English
Subjects:
180° hybrid
Band-pass filters
bandpass filter
Chebyshev approximation
Chebyshev response
circuit synthesis method
Couplers
Couplings
Ports (Computers)
Q-factor
size reduction
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Ting-Yi Huang
Chi-Feng Chen
Tze-Min Shen
Ruey-Beei Wu
description A novel 180 ° hybrid with third-order Chebyshev filtering response is proposed in this paper. The coupling coefficients and the external quality factors can be synthesized from the theory of coupled resonator filter. The proposed idea is verified with experimental results, with good agreement between simulation and measurement. Comparing to the conventional rat-race coupler, 80% size reduction and filtering function with high frequency selectivity has been exhibited in the proposed structure.
doi_str_mv 10.1109/MWSYM.2013.6697512
format conference_proceeding
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subjects 180° hybrid
Band-pass filters
bandpass filter
Chebyshev approximation
Chebyshev response
circuit synthesis method
Couplers
Couplings
Ports (Computers)
Q-factor
size reduction
title Design of a 180-degree hybrid with Chebyshev filtering response using coupled resonators
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