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An RF-to-BB-current-reuse wideband receiver with parallel N-path active/passive mixers and a single-MOS pole-zero LPF
Fujian Lin1; Pui-In Mak1,2; Rui P. Martins1,2,3
2014-11-01
Source PublicationIEEE Journal of Solid-State Circuits
ISSN0018-9200
Volume49Issue:11Pages:2547-2559
Abstract

N-path passive-mixer-first receivers suffer from a tight tradeoff between noise figure (NF), linearity and power due to no RF gain. This paper describes an extensively-current-reuse wideband receiver exploiting parallel N-path active/passive mixers. The key features are: 1) a stacked RF-to-BB front-end with an 8-path active mixer realizing RF amplification, harmonic-recombination (HR) downconversion and BB filtering in the current domain for better linearity and power efficiency; 2) a feedforward 8-path passive mixer enabling LO-defined input impedance matching without external components, while offering frequency-translated bandpass filtering and noise cancelling; 3) a single-MOS pole-zero low-pass filter (LPF) permitting both RF and BB filtering at low voltage headroom consumption, while easing the tradeoff between the in-/out-of-band linearity, and 4) a BB-only two-stage HR amplifier boosting the third and fifth harmonic rejection ratios (HRR 3,5) with low hardware intricacy. Measurements over the TV bands (0.15 to 0.85 GHz) manifest favorable NF (4.6 \pm 0.9 dB) and out-of-band IIP2/IIP3 (+61/+17.4 dBm) at small power (10.6 to 16.2 mW) and area (0.55 mm 2). The HRR 2-6 are > 51 dB without any calibration or tuning. The ultimate out-of-band P-1dB is > +2.5 dBm. The BB stopband rejection is > 86 dB at 150 MHz offset.

KeywordActive Mixer Bandpass Filtering Baseband (Bb) Biasing Current-reuse Frequency-translation Harmonic Rejection Ratio Harmonic-recombination Linearity N-path Noise Cancelling Noise Figure Out-of-band Linearity Passive Mixer Pole-zero Low-pass Filter Power Dissipation Radio Frequency (Rf) Receiver
DOIhttp://doi.org/10.1109/JSSC.2014.2354647
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000344404200016
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被引频次[WOS]:8   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI and FST-ECE, University of Macau, Macao, China
2.UMTEC, Macao, China
3.on leave from Instituto Superior Técnico, Universidade de Lisboa, Portugal
First Author AffilicationUniversity of Macau
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Fujian Lin,Pui-In Mak,Rui P. Martins. An RF-to-BB-current-reuse wideband receiver with parallel N-path active/passive mixers and a single-MOS pole-zero LPF[J]. IEEE Journal of Solid-State Circuits,2014,49(11):2547-2559.
APA Fujian Lin,Pui-In Mak,&Rui P. Martins.(2014).An RF-to-BB-current-reuse wideband receiver with parallel N-path active/passive mixers and a single-MOS pole-zero LPF.IEEE Journal of Solid-State Circuits,49(11),2547-2559.
MLA Fujian Lin,et al."An RF-to-BB-current-reuse wideband receiver with parallel N-path active/passive mixers and a single-MOS pole-zero LPF".IEEE Journal of Solid-State Circuits 49.11(2014):2547-2559.
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