UM
A sub-GHz multi-ISM-band ZigBee receiver using function-reuse and gain-boosted N-path techniques for IoT applications
Zhicheng Lin1; Pui-In Mak1; Rui P. Martins1,2
2014-12-01
Source PublicationIEEE Journal of Solid-State Circuits
ISSN00189200
Volume49Issue:12Pages:2990-3004
Abstract

To address the cost and universality of ultra-low-power (ULP) radios for Internet of Things (IoT) applications, a sub-GHz multi-ISM-band (433/860/915/960 MHz) ZigBee receiver is developed. It features a gain-boosted N-path switched-capacitor (SC) network embedded into a function-reuse RF front-end, offering concurrent RF (common-mode) and BB (differential-mode) amplification, LO-defined RF filtering, and input impedance matching with zero external components. Interestingly, not only the BB power and area are nullified, but also the loading effect between the RF and BB blocks is averted, resulting in better noise figure (NF). Unlike the existing N-path filtering, the described gain-boosted topology offers: 1) double RF filtering at both input and output of the RF front-end; 2) size reduction of the physical capacitors thanks to the Miller multiplication effect, and 3) LO-power saving by decoupling the mixer's on-resistance to the ultimate stopband rejection. Together with a low-voltage LC-VCO with extensively-distributed negative-gain cells for current-reuse with the BB filters, the receiver achieves 8.1 ± 0.6 dB NF, 50 ± 2 dB gain and -20.5 ± 1.5 dBm out-of-band IIP3 at 1.15 ± 0.05 mW power at 0.5 V over the four ISM bands. The active area is 0.2 mm 2 in 65 nm CMOS.

KeywordBlocker Nf Cmos Current Reuse Iip3 Internet Of Things (Iot) Ism Linear Periodically Time-variant (Lptv) Low-noise Amplifier (Lna) Mixer Noise Figure (Nf) Out-of-band (Ob) Phase Noise Receiver Ultra-low-power (Ulp) Ultra-low-voltage (Ulv) Voltage-control Led Oscillator (Vco) Wireless Zigbee
DOIhttp://doi.org/10.1109/JSSC.2014.2358560
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000345620100022
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Citation statistics
Cited Times [WOS]:29   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorPui-In Mak
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI and FST-ECE, University of Macau, Macao, China
2.on leave from the Instituto Superior Técnico, Universidade de Lisboa, Portugal
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Zhicheng Lin,Pui-In Mak,Rui P. Martins. A sub-GHz multi-ISM-band ZigBee receiver using function-reuse and gain-boosted N-path techniques for IoT applications[J]. IEEE Journal of Solid-State Circuits,2014,49(12):2990-3004.
APA Zhicheng Lin,Pui-In Mak,&Rui P. Martins.(2014).A sub-GHz multi-ISM-band ZigBee receiver using function-reuse and gain-boosted N-path techniques for IoT applications.IEEE Journal of Solid-State Circuits,49(12),2990-3004.
MLA Zhicheng Lin,et al."A sub-GHz multi-ISM-band ZigBee receiver using function-reuse and gain-boosted N-path techniques for IoT applications".IEEE Journal of Solid-State Circuits 49.12(2014):2990-3004.
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