A Wideband Vector Sum Phase Shifter for S-band Applications

Document Type : Original Article

Authors

Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran,

Abstract

In this paper a wideband vector-sum based phase shifter with 6-bits accuracy is presented. In this architecture the desired phase shift is obtained by adding quadrature signals with appropriate amplitude. To generate quadrature signals with phases of 0, 90, 180, and 270o an active balun and gm-based integrator are deployed. Finally an active adder has been used to add up the quadrature signals. In this paper in order to widen the frequency bandwidth of the phase shifter and hence reduce the root mean square (RMS) phase error, a feedback path including two power detectors and an amplifier is deployed, so that the quadrature signals have minimal amplitude and phase mismatch in frequency range of 2 – 4 GHz. The RMS phase error varies between 1.092 and 4.02o for simulation of corners of (typical transistors and 27o) and (fast transistors and 120o), respectively. The RMS amplitude error varies between 0.25 and 0.35dB for simulation of corners of (typical transistors and 27o) and (fast transistors and 120o), respectively. The proposed phase shifter draws 9.28 mA from 1.8V supply voltage.

Keywords

References

[1]      A. M. Niknejad and H. Hashemi, mm-Wave Silicon Technology, 60GHz and Beyond, Springer, 2008.
[2]      زهرا حبیبی، مرتضی کازرونی، سید حسین محسنی ارمکی و عماد حمیدی، «ارائه یک روش کاربردی جهت کالیبراسیون آنتن‌های آرایه فازی»، مجله مهندسی برق دانشگاه تبریز، دوره 45، شماره 4، صفحه 84-79، 1394.
[3]      A. Katz, J. Wood, and D. Chokola, “The Evolution of PA Linearization: From Classic Feedforward and Feedback Through Analog and Digital Predistortion,” IEEE Microw. Mag., vol. 17, no. 2, pp. 32–40, 2016.
[4]      M. Cho and J. S. Kenney, “Variable phase shifter design for analog predistortion power amplifier linearization system,” 2013 IEEE 14th Annu. Wirel. Microw. Technol. Conf. WAMICON 2013, pp. 1–5, 2013.
[5]      جواد جاویدان و سپیده فاضل، «طراحی تقویت‌کننده توان دوبانده همزمان با سوئیچ فعال در GHz 4/2/9/0 در پروسه m RF CMOSµ 18/0»، مجله مهندسی برق دانشگاه تبریز، دوره 46، شماره 4، صفحه 94-85، 1395.
[6]      I. Bahl, Lumped Elements for RF and Microwave Circuits, vol. 53, no. 9. Artech House Publishing 2013.
[7]      “Phase shifter design tutorial,” RF, RFIC Microw. theory , Des., pp. 1–12.
[8]      B. Floydi and A. Hajimiril, “International Solid-State Circits Conference,” pp. 202–204, 2007.
[9]      K. Kwang-Jin and G. M. Rebeiz, “A 0.13-um CMOS Digital Phase Shifter for K-band Phased Arrays,” Radio Freq. Integr. Circuits Symp. 2007 IEEE, no. 2, pp. 383–386, 2007.
[10]      K. J. Koh and G. M. Rebeiz, “0.13-μm CMOS phase shifters for X-, Ku-, and K-band phased arrays,” IEEE J. Solid-State Circuits, vol. 42, no. 11, pp. 2535–2546, 2007.
[11]      A. Asoodeh and M. Atarodi, “A full 360° vector-sum phase shifter with very low rms phase error over a wide bandwidth,” IEEE Trans. Microw. Theory Tech., vol. 60, no. 6 PART 1, pp. 1626–1634, 2012.
[12]      You Zheng and C. E. Saavedra, “Full 360 Vector-Sum Phase-Shifter for Microwave System Applications,” IEEE Trans. Circuits Syst. I Regul. Pap., vol. 57, no. 4, pp. 752–758, 2010.
[13]      B.Razavi, RF microelectronics, Second Edi. New York, 2011.
[14]      B.Razavi, Design Of Analog CMOS Integrated Circuit. 2001.
[15]      E. V. Balashov and I. A. Rumyancev, “A fully integrated 6-bit vector-sum phase shifter in 0.18 um CMOS,” 2015 Int. Sib. Conf. Control Commun. SIBCON 2015 - Proc., 2015.
[16]      M. Meghdadi, M. Azizi, M. Kiani, A. Medi, and M. Atarodi, “A 6-Bit CMOS phase shifter for S - Band,” IEEE Trans. Microw. Theory Tech., vol. 58, no. 12 PART 1, pp. 3519–3526, 2010.
[17]      B. Cetindogan, E. Ozeren, B. Ustundag, M. Kaynak, and Y. Gurbuz, “A 6 Bit Vector-Sum phase shifter with a decoder based control circuit for X-band phased-arrays,” IEEE Microw. Wirel. Components Lett., vol. 26, no. 1, pp. 64–66, 2016.
TABRIZ JOURNAL OF ELECTRICAL ENGINEERING
Volume 50, Issue 3 - Serial Number 93
November 2020
Pages 1417-1428

Files

Share

How to cite

Statistics