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A 0.1–4 GHz SDR receiver with reconfigurable 10–100 MHz signal bandwidth in 65 nm CMOS

Analog integrated circuits and signal processing, 2013-12, Vol.77 (3), p.567-582 [Peer Reviewed Journal]

Springer Science+Business Media New York 2013 ;ISSN: 0925-1030 ;EISSN: 1573-1979 ;DOI: 10.1007/s10470-013-0168-x

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  • Title:
    A 0.1–4 GHz SDR receiver with reconfigurable 10–100 MHz signal bandwidth in 65 nm CMOS
  • Author: Zhang, Xinwang ; Chi, Baoyong ; Cao, Meng ; Fu, Ling ; Xia, Zhaokang ; Yin, Yun ; Feng, Hongxing ; Zhang, Xing ; Chiang, Patrick ; Wang, Zhihua
  • Subjects: Circuits and Systems ; Electrical Engineering ; Engineering ; Signal,Image and Speech Processing
  • Is Part Of: Analog integrated circuits and signal processing, 2013-12, Vol.77 (3), p.567-582
  • Description: A 0.1–4 GHz software-defined radio (SDR) receiver with reconfigurable 10–100 MHz signal bandwidth is presented. The complete system design methodology, taking blocker effects into account, is provided. Fully differential Op-Amp with Miller feedback and feed-forward compensations is proposed to support wideband analog circuits with low power consumption. The stability and isolation of inverter-based trans-conductance amplifier are analyzed in details. The design approach of high linearity Tow-Thomas trans-impedance amplifier is presented to reject out-of-band blockers. To compensate for PVT variations, IIP2, frequency tuning, DC offset and IQ calibration are also integrated on-chip. The SDR receiver has been implemented in 65 nm CMOS, with 1.2/2.5 V power supply and a core chip area of 2.4 mm 2 . The receiver achieves S11 input matching below −10 dB and a NF of 3–8 dB across the 0.1–4 GHz range, and a maximum gain of 82–92 dB with a 70 dB dynamic range. Dissipated power spans from 30 to 90 mW across this entire frequency range. For LTE application with 20 MHz signal bandwidth and a LO frequency of 2.3 GHz, the receiver consumes 21 mA current.
  • Publisher: Boston: Springer US
  • Language: English
  • Identifier: ISSN: 0925-1030
    EISSN: 1573-1979
    DOI: 10.1007/s10470-013-0168-x
  • Source: Alma/SFX Local Collection
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