access icon free 94-GHz 360° reflective-type phase shifter with minimal loss variation using triple-resonating load technique

This Letter reports a 360° reflective-type phase shifter in 100-nm InGaAs pHEMT technology. A triple-resonating load technique is proposed and the optimum conditions are derived to achieve full 360° phase-shift range and minimise the insertion loss variation. The implemented reflective-type phase shifter achieves a measured phase-shift range of 360° and an insertion loss of at 94 GHz. Measured return loss is better than 14 dB across 360° phase-shift range.

Inspec keywords: indium compounds; millimetre wave field effect transistors; millimetre wave phase shifters; millimetre wave resonators; gallium arsenide; high electron mobility transistors; III-V semiconductors

Other keywords: insertion loss variation; frequency 94 GHz; triple-resonating load technique; reflective-type phase shifter; size 100 nm; InGaAs; pHEMT technology; minimal loss variation; return loss

Subjects: Other field effect devices; Solid-state microwave circuits and devices; Waveguide and microwave transmission line components; Other analogue circuits

References

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      • 7. Han, K.W., Cui, H., Sun, X.W., et al: ‘The design of a 60 GHz low loss hybrid phase shifter with 360 degree phase shift’. Int. Symp. Communications and Information Technologies, Incheon, South Korea, September 2014, pp. 551554.
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      • 2. Plouchart, J.O., Lee, W., Ozdag, C., et al: ‘A fully-integrated 94-GHz 32-element phased-array receiver in SiGe BiCMOS’. Proc. IEEE Radio Frequency Integrated Circuits Symp., Honolulu, HI, USA, June 2017, pp. 380383.
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