volume | PIER Journals

Abstract

In this paper, a full-360° reflection-type phase shifter (RTPS) using a trans-directional (TRD) coupler with multi-resonance loads is presented. It features the characteristics of wide bandwidth, small size, and wide phase shifts with a compact structure and inherent DC blocking. Influences of the multi-resonance loads on the phase shifts and insertion losses of the RTPS are analyzed, and design procedures are given for guidance. For validation, a prototype is designed at 2 GHz. The overall size is 0.56λ_g × 0.17λ_g. Measured results show a bandwidth of 20% under the criterion of more than 10-dB return loss. Meanwhile, a relative phase variation of 425° with a maximum insertion loss of 3.6 dB is achieved when the varactor capacitance is varied among 0.35 pF~3.2 pF.

1. Yang, B., X. Chen, J. Chu, T. Mitani, and N. Shinohara, "A 5.8-GHz phased array system using power-variable phase-controlled magnetrons for wireless power transfer," IEEE Trans. Microw. Theory Tech., Vol. 68, No. 11, 4951-4959, Nov. 2020.
doi:10.1109/TMTT.2020.3007187 Google Scholar

2. Ren, H., P. Li, Y. Gu, and B. Arigong, "Phase shifter-relaxed and control-relaxed continuous steering multiple beamforming 4 x 4 butler matrix phased array," IEEE Trans. Circuits Syst. I, Reg. Papers, Vol. 67, No. 12, 5031-5039, Dec. 2020.
doi:10.1109/TCSI.2020.3009215 Google Scholar

3. Yang, X. and J. Lin, "A digitally controlled constant envelope phase-shift modulator for low-power broad-band wireless applications," IEEE Trans. Microw. Theory Techn., Vol. 54, No. 1, 96-105, Jan. 2006.
doi:10.1109/TMTT.2005.861669 Google Scholar

4. Sobhy, E. A. and S. Hoyos, "A multiphase multipath technique with digital phase shifters for harmonic distortion cancellation," IEEE Trans. Circuits Syst. II, Exp. Briefs, Vol. 57, No. 12, 921-925, Dec. 2010.
doi:10.1109/TCSII.2010.2083090 Google Scholar

5. Bourtoutian, R. and P. Ferrari, "Tapered distributed analogue tunable phase shifter with low insertion and return loss," IET Electron. Lett., Vol. 41, No. 15, 852-854, Jul. 2005.
doi:10.1049/el:20051810 Google Scholar

6. Anand, P., S. Sharma, D. Sood, and C. C. Tripathi, "Design of compact reconfigurable switched line microstrip phase shifters for phased array antenna," Proc. Emerg. Technol. Trends Electron. Commun. Netw., Vol. 19, 1-3, Gujarat, India, Dec. 2012. Google Scholar

7. Singh, A. and M. K. Mandal, "Electronically tunable reflection type phase shifters," IEEE Trans. Circuits Syst. II, Exp. Briefs, Vol. 67, No. 3, 425-429, Mar. 2020.
doi:10.1109/TCSII.2019.2921036 Google Scholar

8. Lin, C., S. Chang, C. Chang, and Y. Shu, "Design of a reflection-type phase shifter with wide relative phase shift and constant insertion loss," IEEE Trans. Microw. Theory Tech., Vol. 55, No. 9, 1862-1868, Sept. 2007.
doi:10.1109/TMTT.2007.903346 Google Scholar

9. Lin, C., S. Chang, and W. Hsiao, "A full-360◦ reflection-type phase shifter with constant insertion loss," IEEE Microw. Wireless Compon. Lett., Vol. 18, No. 2, 106-108, Feb. 2008.
doi:10.1109/LMWC.2007.915094 Google Scholar

10. Burdin, F., Z. Iskandar, F. Podevin, and P. Ferrari, "Design of compact reflection-type phase shifters with high figure-of-merit," IEEE Trans. Microw. Theory Tech., Vol. 63, No. 6, 1883-1893, Jun. 2015.
doi:10.1109/TMTT.2015.2428242 Google Scholar

11. Li, T. and H. Wang, "A millimeter-wave fully integrated passive reflection-type phase shifter with transformer-based multi-resonance loads for 360◦ phase shifting," IEEE Trans. Circuits Syst. I, Reg. Papers, Vol. 65, No. 4, 1406-1419, Apr. 2018.
doi:10.1109/TCSI.2017.2748078 Google Scholar

12. Vilenskiy, A. R., M. N. Makurin, E. I. Poshisholina, and C. Lee, "Design technique for varactor analog phase shifters with equalized losses," Progress In Electromagnetics Research C, Vol. 86, 1-16, 2018.
doi:10.2528/PIERC18060504 Google Scholar

13. Abbosh, A. M., "Compact tunable reflection phase shifters using short section of coupled lines," IEEE Trans. Microw. Theory Tech., Vol. 60, No. 8, 2465-2472, Aug. 2012.
doi:10.1109/TMTT.2012.2198232 Google Scholar

14. Liu, W. J., S. Y. Zheng, Y. M. Pan, Y. X. Li, and Y. L. Long, "A wideband tunable reflection-type phase shifter with wide relative phase shift," IEEE Trans. Circuits Syst. II, Exp. Briefs, Vol. 64, No. 12, 1442-1446, Dec. 2017.
doi:10.1109/TCSII.2017.2650946 Google Scholar

15. Venter, J. J. P., T. Stander, and P. Ferrari, "X-band reflection-type phase shifters using coupled-line couplers on single-layer RF PCB," IEEE Microw. Wireless Compon. Lett., Vol. 28, No. 9, 807-809, Sept. 2018.
doi:10.1109/LMWC.2018.2853562 Google Scholar

16. Shie, C. I., J. C. Cheng, S. C. Chou, et al. "Trans-directional coupled-line couplers implemented by periodical shunt capacitors," IEEE Trans. Microw. Theory Tech., Vol. 57, No. 12, 2981-2987, Dec. 2009.
doi:10.1109/TMTT.2009.2034219 Google Scholar

17. Sychev, A. N., I. M. Dobush, N. Y. Rudyi, and S. M. Struchkov, "Analog phase shifter of X-band implemented with novel trans-directional coupled-line coupler," Proc. 48th Eur. Microw. Conf. (EuMC), 811-814, 2018. Google Scholar

18. Sychev, A. N., N. Y. Rudyi, I. M. Dobush, and K. K. Zharov, "A phase shifter based on trans-directional coupler with DC isolation of RF-path and control circuit," Proc. APEIE, 380-383, Novosibirsk, Russia, Oct. 2018. Google Scholar

19. Occello, O., L. Tiague, M. Margalef-Rovira, L. Vincent, F. Ndagijimana, and P. Ferrari, "High-performance compact reflection-type phase shifter operating at 2 GHz using a transdirectional coupler," Proc. 50th Eur. Microw. Conf. (EuMC), 550-553, 2021. Google Scholar

20. Liu, H., S. Fang, Z. Wang, and T. Shao, "Coupled line trans-directional coupler with improved power distribution and phase performance," Proc. IEEE Int. Symp. Radio-Frequency Integr. Technol. (RFIT), 126-128, Aug. 2017. Google Scholar

Professor Hongmei Liu

Dr. Xuejiao Wang

Dr. Tielin Zhang

Prof. Shao-Jun Fang

Dr. Zhongbao Wang