NDLI: A Semi-Lumped Miniaturized Spurious Less Frequency Tunable Three-port Divider\Combiner with 20 dB Isolation Between Output Ports

Content Provider	IEEE Xplore Digital Library
Author	Perrier, A.-L. Exshaw, O. Duchamp, J.-M. Ferrari, P.
Copyright Year	2006
Description	Author affiliation: LAHC, Savoie Univ., Le Bourget-du-Lac (Perrier, A.-L.)
Abstract	We propose a new topology based on a semi-lumped complex impedance transformer for the design of a frequency tunable three-port power divider. A prototype has been realized in a hybrid technology with commercially available varactor diodes. Our design is based on an impedance transformer in the input branch (with electrical length of 20.4deg), and a loop in the output branches (with electrical length of 2times24deg). This leads to a miniaturized device, more than two times shorter than a classical Wilkinson power divider. This divider can be tuned over plusmn30% around 1.35 GHz (from 0.95 GHz to 1.75 GHz) with insertion loss lower than 0.3 dB, return loss better than 20 dB and isolation between the two output ports better than 20 dB. Moreover, the low-pass behavior of the input impedance transformer leads to a good rejection of the second harmonic
Starting Page	1714
Ending Page	1717
File Size	4335631
Page Count	4
File Format	PDF
ISBN	0780395417
ISSN	0149645X
DOI	10.1109/MWSYM.2006.249710
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency conversion Power dividers Impedance Phase transformers Power transmission lines Topology Varactors Power harmonic filters Radio frequency Microwave devices varactors Output isolation power divider tunable device tuner spurious free
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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A Semi-Lumped Miniaturized Spurious Less Frequency Tunable Three-port Divider\Combiner with 20 dB Isolation Between Output Ports

A Semi-Lumped Miniaturized Spurious Less Frequency Tunable Three-port Divider\Combiner with 20 dB Isolation Between Output Ports

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