NDLI: New approaches for designing minimum loss wide phase range digital phase shifters

Content Provider	IEEE Xplore Digital Library
Author	Yarman, B.S.
Copyright Year	1991
Description	Author affiliation: STFA Savronik Defense Electron. Co., Istanbul, Turkey (Yarman, B.S.)
Abstract	Four different circuit configurations are proposed to design 0 degrees -360 degrees wide range, low loss, loss balanced phase shifters. Each configuration utilizes 3 p-i-n diodes. As a consequence of this work, 180 degree phase shifting cells for multibit phase array antenna systems using 3 p-i-n diodes can be constructed in a straightforward manner. Operation of the new circuits is based upon the phase shifting properties of symmetric low/highpass 3 element LC ladders. Assuming the utilization of lossless p-i-n diodes and ideal reactive elements, explicit design equations are presented. A numerical method, which includes the diode losses as well as component parasitics, is also described to design practical phase shifters with minimum balanced loss at a given operating frequency. Examples are included to exhibit the use of explicit design formulas, and computer simulations are performed to analyze the loss and phase characteristics of the new circuits. It is expected that new configurations will find application in the commercial and especially military large array antenna systems over the EHF band to be implemented as monolithic microwave integrated circuits (MMIC).<>
Starting Page	346
Ending Page	349
File Size	422518
Page Count	4
File Format	PDF
ISBN	0780300815
DOI	10.1109/MWSCAS.1990.140724
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-08-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	P-i-n diodes Circuits Phase shifters Phased arrays Microwave antenna arrays MMICs Antenna arrays Equations Frequency Computer simulation
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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