L‐band 360° broad‐bandwidth monolithic analog phase shifter

An L-band 360° broad-bandwidth analog phase shifter is designed using varactor. New design equations for expanding bandwidth and improving linear phase-shift are derived and applied to performances optimization in one circuit. The analog phase shifter is fabricated using MIC and SMT technologies. At 1.2 ∼ 2.0 GHz (L-band), total phase-shift of 360° and linear deviation of less than ±2.5% were obtained, and the insertion loss varied less than 2 dB across the band. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 164–166, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10709

[1]  M. Chua,et al.  1 GHz programmable analog phase shifter for adaptive antennas , 1998, Proceedings of the IEEE 1998 Custom Integrated Circuits Conference (Cat. No.98CH36143).

[2]  J. I. Upshur,et al.  Low-loss 360 degrees X-band analog phase shifter , 1990, IEEE International Digest on Microwave Symposium.

[3]  R. Garver.  360/spl deg/ Varactor Linear Phase Modulator , 1969 .

[4]  Yew Hui Liew,et al.  A novel 360/spl deg/ analog phase shifter with linear voltage phase relationship , 1999, 1999 Asia Pacific Microwave Conference. APMC'99. Microwaves Enter the 21st Century. Conference Proceedings (Cat. No.99TH8473).

[5]  Gerard Mourou,et al.  Noncontact electro-optic sampling with a GaAs injection laser , 1986 .