NDLI: A Novel Resonant Microstrip RF Phase Shifter using Defected Ground Structure

Content Provider	IEEE Xplore Digital Library
Author	Park, Jun-Seok Kim, Chul-Soo Kang, Hyun Taek Kim, Geun-Young Park, Kyu-Ho Ahn, Dal
Copyright Year	2000
Description	Author affiliation: Dept. of Electronics, Soonchunhyang Univ. Chungnam, R.O.Korea (Park, Jun-Seok; Kim, Chul-Soo) \|\| Ace Technology Inc., R.O.Korea (Kang, Hyun Taek) \|\| School of Engineering, Tamna Univ., R.O.Korea (Kim, Geun-Young) \|\| Korea Electronics Technology Institute, Telecommunication Components Research center, R.O.Korea (Park, Kyu-Ho) \|\| Dept. of Electronics, Soonchunhyang Univ. Chungnam, R.O.Korea. E-mail: dahn@ramrec.sch.ac.r (Ahn, Dal)
Abstract	In this paper, novel RF phase shifter structure using DGS (Defected Ground Structure) is proposed for the low insertion loss and linear phase variation characteristic. Equivalent circuit of the proposed phase shifter is derived by employing the equivalent circuit of DGS section. Varactor diode is chosen as an electrical control device, which is placed on metallic backside ground plane. Theoretical consideration and experiments verify the presented phase shifter. The experimental results for a single-stage resonant phase shifter show a range of 25°-phase variation with 0.5dB insertion loss within an operating bandwidth of 10%, when the center frequency is 900MHz.
Starting Page	1
Ending Page	4
File Size	3275118
Page Count	4
File Format	PDF
DOI	10.1109/EUMA.2000.338875
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-02
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resonance Microstrip Radio frequency Phase shifters Equivalent circuits Varactors Insertion loss Diodes Bandwidth Etching
Content Type	Text
Resource Type	Article

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