Broadband smart mm-wave Front-End-Modules in advanced FD-SOI with adaptive-biasing and tuning of distributed antenna-arrays
(2020) 2020 IEEE Texas Symposium on Wireless and Microwave Circuits and Systems — Location: Texas (USA) (26.May.2020)
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- Abstract
- In this paper, we propose new correlation-aware realtime adaptive tuning of distributed antenna-arrays using innovative broadband physics-based RLC circuit synthesis. The resulting correlation-tuning solution combines software-based circuit-synthesis with hardware-based Smart-Control. The software circuit synthesis runs on advanced signal-processing resources. The hardware implementation of the adaptive antenna tuning exploits the Body-Biasing control and regulation available in FD-SOI technologies. Broadband (DC-40 GHz) SPDT switches, fabricated in 22 nm FD-SOI process from GLOBALFOUNDRIES, are proposed for integration with agile-tuners for real-time noise and load matching of distributed antenna-arrays in a varying stochastic electromagnetic environment. The SPDT switches are characterized, using on-wafer measurements in small and largesignal conditions, as a function of transistor back-gate bias, demonstrating performance improvements of 0.2dB in insertionloss, 2 dB in isolation, 1dB in P1dB and 4dB in IIP3. A SmartBiasing-Module (SBM) is proposed demonstrating a wide range of bias control from 100pA to 300mA over 8V with 24 bit resolution for adaptive-biasing control and regulation of RF and mmWave front-end-module building blocks. Keywords—Smart Front-End-Modules, FD-SOI, Adaptive Body Biasing, 4-Terminal, Noise and Load-Matching, SPDT Switches.
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Citations
Wane, S., Huard, V., Rack, M., Nyssens, L., Kieniewicz, B., Bajon, D., & Raskin, J.-P. (2020). Broadband smart mm-wave Front-End-Modules in advanced FD-SOI with adaptive-biasing and tuning of distributed antenna-arrays. 2020 IEEE Texas Symposium on Wireless and Microwave Circuits and Systems, Texas (USA). https://hdl.handle.net/2078.5/228562