NDLI: Hybrid combination of tri-band isolation circuits based on conventional and double-Lorentz transmission lines for quadruplexers

Content Provider	IEEE Xplore Digital Library
Author	Hanseung Lee Itoh, T.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Univ. of California, Los Angeles, Los Angeles, CA, USA (Hanseung Lee; Itoh, T.)
Abstract	Tri-band isolation circuits based on conventional transmission lines (TLs) and double-Lorentz (DL) TLs are proposed and studied. The quadruplexer composed with two types of isolation circuits has significant advantages. Because it uses less DL TLs than the quadruplexer previously studied (shown in Fig. 1(a)), it can be designed easily and demands less lumped components. Also, the advantages of the previous quadruplexer, i.e. no modification of filters and straightforward design process, remain in the proposed quadruplexer. For verifying the concept, a quadruplexer, of which center frequencies are 942.5 MHz, 1575 MHz, 2140 MHz, and 2450 MHz, is designed and fabricated. The measured results are well matched with the simulation results.
Sponsorship	Electron. Soc., Inst. Electron. Inf. Commun. Eng.
Starting Page	393
Ending Page	396
File Size	1047886
Page Count	4
File Format	PDF
ISBN	9781467349390
e-ISBN	9784885522772
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-20
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	IEICE Institute of Electronics Informati
Subject Keyword	Multiplexing Microwave communication Microwave circuits Filtering theory Impedance Microwave filters
Content Type	Text
Resource Type	Article

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