UM
A coin-battery-powered LDO-Free 2.4-GHz Bluetooth Low Energy/ZigBee receiver consuming 2 mA
Balan Z.3; Ramiah H.3; Rajendran J.2; Vitee N.3; Shasidharan P.N.3; Yin J.4; Mak P.-I.4; Martins R.P.4
2019
Source PublicationIntegration
ISSN01679260
AbstractThis paper describes a 1.5-V low dropout regulator (LDO)-free ultra-low-power 2.4-GHz CMOS receiver for direct-powering through a coin battery. By effective merging the quadrature low noise amplifier (LNA), in phase and quadrature (I/Q) mixers, a voltage controlled oscillator (VCO) and a trans-impedance amplifier (TIA) in one cell, while removing the LDO, we fully utilize the available 1.5-V voltage supply for current-reuse between blocks, minimizing the dc current consumption. Specifically, a quadrature LNA operating as both common-source and common-drain provides the I/Q outputs in the signal path. Forward-body-bias applied to the transconductance stage of the I/Q mixers relaxes their voltage headroom consumption. Prototyped in 180-nm CMOS, the receiver exhibits a conversion gain (CG) of 23 dB, a noise figure (NF) of 13.8 dB and an input-referred 3rd-order intercept point (IIP3) of −14 dBm while consuming only 2 mA. The phase noise of the VCO is −118.5 dBc/Hz at 2.5 MHz offset. The low-cost technology and low current consumption renders the receiver suitable for Internet of Things (IoT) devices using the Bluetooth Low Energy (BLE) or ZigBee standards.
KeywordBluetooth Low Energy (BLE) CMOS receiver Current-reuse Forward body bias I/Q mixers Low power Quadrature LNA Voltage-controlled oscillator (VCO) ZigBee
DOI10.1016/j.vlsi.2019.01.009
URLView the original
Language英語
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Instituto Superior Técnico
2.Universiti Sains Malaysia
3.University of Malaya
4.Universidade de Macau
Recommended Citation
GB/T 7714
Balan Z.,Ramiah H.,Rajendran J.,et al. A coin-battery-powered LDO-Free 2.4-GHz Bluetooth Low Energy/ZigBee receiver consuming 2 mA[J]. Integration,2019.
APA Balan Z..,Ramiah H..,Rajendran J..,Vitee N..,Shasidharan P.N..,...&Martins R.P..(2019).A coin-battery-powered LDO-Free 2.4-GHz Bluetooth Low Energy/ZigBee receiver consuming 2 mA.Integration.
MLA Balan Z.,et al."A coin-battery-powered LDO-Free 2.4-GHz Bluetooth Low Energy/ZigBee receiver consuming 2 mA".Integration (2019).
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