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A 1-V 4-mW Differential-Folded Mixer with Common-Gate Transconductor Using Multiple Feedback Achieving 18.4-dB Conversion Gain, +12.5-dBm IIP3, and 8.5-dB NF
Vitee,Nandini1; Ramiah,Harikrishnan1; Mak,Pui In2; Yin,Jun2; Martins,Rui P.2,3
2020-05-01
Source PublicationIEEE Transactions on Very Large Scale Integration (VLSI) Systems
ISSN1063-8210
Volume28Issue:5Pages:1164-1174
AbstractThis article reports a novel differential-folded mixer with multiple-feedback techniques for performance enhancement. Specifically, we introduce the capacitor cross-coupled (CCC) common-gate (CG) transconductance stage to improve the noise figure (NF) at low power by boosting the effective transconductance, while enhancing the linearity via suppressing the second-order harmonic distortion. Typically, the created loop gain of the CCC can raise the third-order intermodulation (IM3) distortion, penalizing the input-referred third-order intercept point (IIP3). Here, we propose a positive and a second capacitive feedback into the CCC CG transconductor, not only to suppress the IM3 distortion current but also adds in design flexibility to the input transistors. Furthermore, the positive feedback also improves the input impedance matching, conversion gain, and NF through a flexible design criterion. Prototyped in a 0.13- μm process, the proposed mixer operating at 900 MHz dissipates 4 mW at 1 V. The measured double sideband (DSB) NF is 8.5 dB, the conversion gain ( G ) is 18.4 dB and the IIP3 is +12.5 dBm.
KeywordCapacitive feedback CMOS high linearity mixer positive feedback third-order intercept point (IIP3) third-order intermodulation (IM3) cancellation
DOI10.1109/TVLSI.2020.2969679
URLView the original
Language英语
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorRamiah,Harikrishnan
Affiliation1.Department of Electrical Engineering,Faculty of Engineering,University of Malaya,Kuala Lumpur,50603,Malaysia
2.State Key Laboratory of Analog and Mixed-Signal VLSI/IME,DECE-FST,University of Macau,Macao
3.Instituto Superior Técnico,Universidade de Lisboa,Lisbon,1649-004,Portugal
Recommended Citation
GB/T 7714
Vitee,Nandini,Ramiah,Harikrishnan,Mak,Pui In,et al. A 1-V 4-mW Differential-Folded Mixer with Common-Gate Transconductor Using Multiple Feedback Achieving 18.4-dB Conversion Gain, +12.5-dBm IIP3, and 8.5-dB NF[J]. IEEE Transactions on Very Large Scale Integration (VLSI) Systems,2020,28(5):1164-1174.
APA Vitee,Nandini,Ramiah,Harikrishnan,Mak,Pui In,Yin,Jun,&Martins,Rui P..(2020).A 1-V 4-mW Differential-Folded Mixer with Common-Gate Transconductor Using Multiple Feedback Achieving 18.4-dB Conversion Gain, +12.5-dBm IIP3, and 8.5-dB NF.IEEE Transactions on Very Large Scale Integration (VLSI) Systems,28(5),1164-1174.
MLA Vitee,Nandini,et al."A 1-V 4-mW Differential-Folded Mixer with Common-Gate Transconductor Using Multiple Feedback Achieving 18.4-dB Conversion Gain, +12.5-dBm IIP3, and 8.5-dB NF".IEEE Transactions on Very Large Scale Integration (VLSI) Systems 28.5(2020):1164-1174.
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