Miniaturized Rat-Race Coupler with Bandpass Response and Good Stopband Rejection

被引:0
|
作者
Wang, Wei-Hsin [1 ]
Shen, Tze-Min [1 ]
Huang, Ting-Yi [1 ]
Wu, Ruey-Beei [1 ]
机构
[1] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei, Taiwan
关键词
Bandpass response; size reduction; stopband rejection; rat-race coupler; REDUCED-SIZE; HYBRID RING; RESONATORS; LINE; SUPPRESSION;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Coupled-resonator network is applied to the design of a rat-race coupler with bandpass response in this paper. Net-type resonators are used to reduce the circuit size and control the harmonies. As a result, the proposed coupler exhibits not only a compact size but also good stopband rejection. The proposed coupler occupies only one sixth area of the conventional design, while the rejection level in the stopband is better than 30 dB up to 4.3f(0). The measured results are in good agreement with the simulated predictions.
引用
收藏
页码:709 / 712
页数:4
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