High Linearity Switchable Dual-Mode Microstrip Bandpass Filters

被引：0
|
作者：
Chakrabarty, K. [1 ]
Athukorala, L. [1 ]
Budimir, D. [1 ]
机构：
[1] Univ Westminster, Wireless Commun Res Grp, 115 New Cavendish St, London W1W 6UW, England
来源：
ASIA-PACIFIC MICROWAVE CONFERENCE 2011 | 2011年
关键词：
Resonators; filters; reconfigurable filters; switchable filters; nonlinear distortion;
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：
A compact highly linear microstrip dual-mode electronically switchable filter is presented. The key characteristics of the dual-mode switchable filter are investigated and described. A second order filter design procedure is outlined to facilitate the realisation of Butterworth and Chebyshev functions. The proposed filter was built and tested with NXP pin diode model BAP65-03. The measured and simulated results are in good agreement. The measured insertion loss in the ON state was 3.0 dB the isolation in the OFF state was 45 dB at the centre frequency. An evaluation of filter distortion is presented for digitally modulated 16 QAM and QPSK signals.
引用
收藏
页码：1019 / 1022
页数：4
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