SEMICONDUCTOR INTEGRATED CIRCUITS

C-band 6-bit phase shifter for a phase array antenna

Xiaofeng Yang and Jiangyi Shi

+ Author Affiliations

 Corresponding author: Yang Xiaofeng, Email:xfyang@mail.xidian.edu.cn

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Abstract: A C-band 6-bit digital phase shifter is presented. The phase shifter is based on the synthetic design of a high-pass/low-pass network and the all-pass network. The series scatter restrain method is also discussed. The phase shifter is fabricated in 0.25 μm GaAs PHEMT technology and developed for C-band phased arrays, and the relative phase shift varies from 0 to 360 in step of 5.625°. The phase shifter, with a chip size of 4×1.95 mm2, has achieved an insertion loss better than 6.4 dB, RMS phase error of less than 1.73°, and an input and output VSWR less than 1.6 at all conditions.

Key words: MMIChigh-pass/low-pass networkall-pass networkseries scatter restrain



[1]
Campbell C F, Brown S A. A compact 5-bit phase-shifter MMIC for K-band satellite communication systems. IEEE Trans Microw Theory Tech, 2000, 48(12):2652 doi: 10.1109/22.899026
[2]
Yang J G, Yang K. Ka-band 5-bit MMIC phase shifter using InGaAs PIN switching diodes. IEEE Microw Wireless Compon Lett, 2011, 21(3):151 doi: 10.1109/LMWC.2010.2104314
[3]
Biglarbegian B, Nezhad-Ahmadi M R, Fakharzadeh M, et al. Millimeter-wave reflective-type phase shifter in CMOS technology. IEEE Microw Wireless Compon Lett, 2009, 19(9):560 doi: 10.1109/LMWC.2009.2027065
[4]
Adler D, Popovich R. Broadband switched-bit phase shifter using all-pass networks. IEEE MTT-S Int Microw Symp Dig, 1991:265 http://ieeexplore.ieee.org/document/146979/keywords
[5]
Wang L, Sun P, You Y, et al. Highly linear Ku-band SiGe PIN diode phase shifter in standard SiGe BiCMOS process. IEEE Microw Wireless Compon Lett, 2010, 20(1):37 doi: 10.1109/LMWC.2009.2035962
[6]
Morton M A, Comeau J P, Cressler J D, et al. 5 bit, silicon-based, X-band phase shifter using a hybrid pi/t high-pass/low-pass topology. IET Microw Antennas Propag, 2008, 2(1):19 doi: 10.1049/iet-map:20070077
[7]
Bahl I J, Conway D. L-and S-band compact octave bandwidth 4-bit MMIC phase shifters. IEEE Trans Microw Theory Tech, 2008, 56(2):293 doi: 10.1109/TMTT.2007.914636
[8]
Bahl I, Bhartia P. Microwave solid state circuit design. 2nd ed. Wiley Interscience, 2003:668 http://www.wiley.com/WileyCDA/WileyTitle/productCd-0471207551.html
[9]
Hangai M, Hieda M. S-and C-band ultra-compact phase shifters based on all-pass networks. IEEE Trans Microw Theory Tech, 2010, 58(1):41 doi: 10.1109/TMTT.2009.2036322
[10]
Xiao Q. A compact L-band broadband 6-bit MMIC phase shifter with low phase error. Proceedings of the 6th European Microwave Integrated Circuits Conference, 2011:410 http://ieeexplore.ieee.org/document/6102765/
Fig. 1.  Schematic of the 6-bit phase shifter.

Fig. 2.  Equivalent circuits of the all-pass phase-shifting circuit. (a) Reference state. (b) Phase-shift state.

Fig. 3.  Die chip photograph of 6-bits phase shifter.

Fig. 4.  Measured phase shifter in all 64 phase states.

Fig. 5.  Measured insertion loss of all states.

Fig. 6.  Measured input VSWR.

Fig. 7.  Measured output VSWR.

Fig. 8.  Measured RMS phase error.

Table 1.   Summary of the measured results of the 6-bit phase shifter.

Table 2.   Performance comparison of the phase shifters.

[1]
Campbell C F, Brown S A. A compact 5-bit phase-shifter MMIC for K-band satellite communication systems. IEEE Trans Microw Theory Tech, 2000, 48(12):2652 doi: 10.1109/22.899026
[2]
Yang J G, Yang K. Ka-band 5-bit MMIC phase shifter using InGaAs PIN switching diodes. IEEE Microw Wireless Compon Lett, 2011, 21(3):151 doi: 10.1109/LMWC.2010.2104314
[3]
Biglarbegian B, Nezhad-Ahmadi M R, Fakharzadeh M, et al. Millimeter-wave reflective-type phase shifter in CMOS technology. IEEE Microw Wireless Compon Lett, 2009, 19(9):560 doi: 10.1109/LMWC.2009.2027065
[4]
Adler D, Popovich R. Broadband switched-bit phase shifter using all-pass networks. IEEE MTT-S Int Microw Symp Dig, 1991:265 http://ieeexplore.ieee.org/document/146979/keywords
[5]
Wang L, Sun P, You Y, et al. Highly linear Ku-band SiGe PIN diode phase shifter in standard SiGe BiCMOS process. IEEE Microw Wireless Compon Lett, 2010, 20(1):37 doi: 10.1109/LMWC.2009.2035962
[6]
Morton M A, Comeau J P, Cressler J D, et al. 5 bit, silicon-based, X-band phase shifter using a hybrid pi/t high-pass/low-pass topology. IET Microw Antennas Propag, 2008, 2(1):19 doi: 10.1049/iet-map:20070077
[7]
Bahl I J, Conway D. L-and S-band compact octave bandwidth 4-bit MMIC phase shifters. IEEE Trans Microw Theory Tech, 2008, 56(2):293 doi: 10.1109/TMTT.2007.914636
[8]
Bahl I, Bhartia P. Microwave solid state circuit design. 2nd ed. Wiley Interscience, 2003:668 http://www.wiley.com/WileyCDA/WileyTitle/productCd-0471207551.html
[9]
Hangai M, Hieda M. S-and C-band ultra-compact phase shifters based on all-pass networks. IEEE Trans Microw Theory Tech, 2010, 58(1):41 doi: 10.1109/TMTT.2009.2036322
[10]
Xiao Q. A compact L-band broadband 6-bit MMIC phase shifter with low phase error. Proceedings of the 6th European Microwave Integrated Circuits Conference, 2011:410 http://ieeexplore.ieee.org/document/6102765/
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    Received: 10 July 2012 Revised: 26 October 2012 Online: Published: 01 April 2013

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      Xiaofeng Yang, Jiangyi Shi. C-band 6-bit phase shifter for a phase array antenna[J]. Journal of Semiconductors, 2013, 34(4): 045009. doi: 10.1088/1674-4926/34/4/045009 X F Yang, J Y Shi. C-band 6-bit phase shifter for a phase array antenna[J]. J. Semicond., 2013, 34(4): 045009. doi: 10.1088/1674-4926/34/4/045009.Export: BibTex EndNote
      Citation:
      Xiaofeng Yang, Jiangyi Shi. C-band 6-bit phase shifter for a phase array antenna[J]. Journal of Semiconductors, 2013, 34(4): 045009. doi: 10.1088/1674-4926/34/4/045009

      X F Yang, J Y Shi. C-band 6-bit phase shifter for a phase array antenna[J]. J. Semicond., 2013, 34(4): 045009. doi: 10.1088/1674-4926/34/4/045009.
      Export: BibTex EndNote

      C-band 6-bit phase shifter for a phase array antenna

      doi: 10.1088/1674-4926/34/4/045009
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      • Corresponding author: Yang Xiaofeng, Email:xfyang@mail.xidian.edu.cn
      • Received Date: 2012-07-10
      • Revised Date: 2012-10-26
      • Published Date: 2013-04-01

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