A 0.044-mm2 0.5-To-7-GHz Resistor-Plus-Source-Follower-Feedback Noise-Cancelling LNA Achieving a Flat NF of 3.3±0.45 dB
Yu H.3; Chen Y.1; Boon C.C.3; Li C.3; Mak P.-I.1; Martins R.P.2
2019
Source PublicationIEEE Transactions on Circuits and Systems II: Express Briefs
ISSN15497747
Volume66Issue:1Pages:71-75
Abstract

A wideband noise-cancelling low-noise amplifier (LNA) combining resistor feedback and source-follower feedback (SFF) is proposed. The SFF facilitates upsizing of the feedback resistor to improve the gain and noise figure (NF), without compromising the input-impedance matching. Another benefit is that the noise contributions of both the feedback resistor and noise-cancelling transistors are significantly reduced. Fabricated in 65-nm CMOS, the LNA exhibits a voltage gain of 16.8 dB, and a flat NF of 3.3 ± 0.45 dB over a-3-dB bandwidth of 0.5 to 7 GHz. The power consumption is 11.3 mW at 1.2 V, and the die area is 0.044 mm.

KeywordCmos Low-noise Amplifier (Lna) Noise Cancelling Noise Figure (Nf) Resistor Feedback Source Follower Feedback (Sff) Wideband Input Impedance Matching
DOI10.1109/TCSII.2018.2833553
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000454341300015
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Citation statistics
Cited Times [WOS]:30   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorYu H.; Chen Y.
Affiliation1.Universidade de Macau
2.Instituto Superior Técnico
3.Nanyang Technological University
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Yu H.,Chen Y.,Boon C.C.,et al. A 0.044-mm2 0.5-To-7-GHz Resistor-Plus-Source-Follower-Feedback Noise-Cancelling LNA Achieving a Flat NF of 3.3±0.45 dB[J]. IEEE Transactions on Circuits and Systems II: Express Briefs,2019,66(1):71-75.
APA Yu H.,Chen Y.,Boon C.C.,Li C.,Mak P.-I.,&Martins R.P..(2019).A 0.044-mm2 0.5-To-7-GHz Resistor-Plus-Source-Follower-Feedback Noise-Cancelling LNA Achieving a Flat NF of 3.3±0.45 dB.IEEE Transactions on Circuits and Systems II: Express Briefs,66(1),71-75.
MLA Yu H.,et al."A 0.044-mm2 0.5-To-7-GHz Resistor-Plus-Source-Follower-Feedback Noise-Cancelling LNA Achieving a Flat NF of 3.3±0.45 dB".IEEE Transactions on Circuits and Systems II: Express Briefs 66.1(2019):71-75.
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