標題: Miniaturized microwave passive filter incorporating multilayer synthetic quasi-TEM transmission line
作者: Wu, HS
Yang, HJ
Peng, CJ
Tzuang, CKC
電信工程研究所
Institute of Communications Engineering
關鍵字: bandpass filter (BPF);multilayer;multistandard;RF system-on-chip (SOC);synthetic transmission line (TL);system-in-package (SIP);wireless local area network (WLAN)
公開日期: 1-Sep-2005
摘要: This paper presents a novel approach to miniaturizing a transmission-line (TL)-based bandpass filter (BPF). The BPF is miniaturized by incorporating multilayer stacked synthetic quasi-TEM TLs made of complementary conducting strip (CCS) metal surfaces. The stacked CCS TLs are separated by a meshed ground plane, whose coupling effect was experimentally shown negligibly to affect desired circuit performance. A brief description of the symmetric third-order TL filter synthesis procedure is reported to map such an idealized BPF to the prototype made of the stacked synthetic CCS TLs. Excellent agreement is obtained by comparing the experimental and theoretical filter frequency responses showing a 2.46-dB insertion loss, a -16.8-dB return loss with under 5% offset of low-side out-band transmission zeros, and a 2% offset of center frequency. A quick estimate of the proposed miniaturized filter design based on synthetic quasi-TEM lines shows that the particular filter prototype approaches the process limit.
URI: http://dx.doi.org/10.1109/TMTT.2005.854193
http://hdl.handle.net/11536/13298
ISSN: 0018-9480
DOI: 10.1109/TMTT.2005.854193
期刊: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Volume: 53
Issue: 9
起始頁: 2713
結束頁: 2720
Appears in Collections:Conferences Paper


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