NDLI: A 4 bits Reflection type phase shifter based on Ga As FET

Content Provider	IEEE Xplore Digital Library
Author	Mabrouki, M. Smida, A. Ghayoula, R. Gharsallah, A.
Copyright Year	2014
Description	Author affiliation: Unit of Res. in High Freq. Electron. Circuits & Syst., Tunis El Manar Univ., Tunis, Tunisia (Mabrouki, M.; Smida, A.; Ghayoula, R.; Gharsallah, A.)
Abstract	A 4 bits digital phase shifter is designed and simulated. It is based on 3-db hybrid coupler and totally twelve switches are used. The simulation results indicate an insertion loss better than -4dB, a return loss less than -20 dB and an error phase varied between 0.01° and 0.6° at 2.45 GHz. to achieve a 6 bits phase shifter, we increased the number of stages. This phase shifter present an insertion loss better than -5dB, a return loss less than -20db and an error phase varied between 0.1° and 1.7°. But, the circuit presents a large size. The Ga As FET switch used for switching is characterized by a very low DC power consumption, a fast switching speed and a low cost. Also, an array antenna of 8 patch elements connected to a 4 bits phase sifter is designed. The simulated results of the array indicate a return loss better than -10dB over 2.4-2.5 GHz and a gain equal 14 dB.
Starting Page	1
Ending Page	6
File Size	3470235
Page Count	6
File Format	PDF
ISBN	9781479928057
e-ISBN	9781479928064
DOI	10.1109/WSCAR.2014.6916830
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-18
Publisher Place	Tunisia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Digital phase shifter Ga As FET switch Phase shifters Switches Couplers Logic gates Directive antennas Directive coupler Reflection type phases shifter Arrays Phased array antenna
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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