NDLI: A high precision phase control unit for DDS-based PLLs for 2.4-GHz ISM band applications

Content Provider	IEEE Xplore Digital Library
Author	Talarico, C. D'Amato, G. Coviello, G. Avitabile, G.
Copyright Year	2015
Description	Author affiliation: DEI, Politec. di Bari, Bari, Italy (D'Amato, G.; Coviello, G.; Avitabile, G.) \|\| Dept. of Electr. & Comput. Eng., Gonzaga Univ., Spokane, WA, USA (Talarico, C.)
Abstract	This paper introduces the design and implementation of a new programmable phase control unit (PCU) topology for active phased array antennas. The array is based on a hybrid direct digital synthesizer (DDS) phase-lock-loop (PLL) approach. The PCU generates up to 1024 phase shift values programmable in the form of phase-offset words by either a microcontroller or a DSP. As a result a 360° phase shifting range can be scanned in 0.35° tuning steps, which correspond to a beam steering resolution smaller than about 0.5°. Experimental results obtained through the fabrication of a prototype validate the potential of the proposed architecture, and are in good agreement with both simulation and theoretical analysis. The phase shifter is designed and demonstrated across the 2.4-GHz industrial-scientific-medical (ISM) band.
Starting Page	1
Ending Page	4
File Size	2349425
Page Count	4
File Format	PDF
e-ISBN	9781467365581
DOI	10.1109/MWSCAS.2015.7282033
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase shifters Arrays Phase locked loops Microwave circuits Microwave communication MIMO Microwave/Radio Frequency Integrated Circuits Phase control unit Phased array transceiver direct digital synthesizer (DDS) phase-locked loop (PLL) phase shifter microwave integrated circuit CMOS technology
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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