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A regulation-free sub-0.5V 16/24MHz crystal oscillator for energy-harvesting BLE radios with 14.2nJ startup energy and 31.8pW steady-state power
Ka-Meng Lei1; Pui-In Mak1; Man-Kay Law1; Rui P. Martins1,2
2018-03-08
Conference Name65th IEEE International Solid-State Circuits Conference, ISSCC 2018
Source PublicationDigest of Technical Papers - IEEE International Solid-State Circuits Conference
Volume61
Pages52-54
Conference Date2 11, 2018 - 2 15, 2018
Conference PlaceSan Francisco, CA, United states
Author of SourceInstitute of Electrical and Electronics Engineers Inc.
Other Abstract

This paper reports a regulation-free sub-0.5V crystal oscillator (XO) for Bluetooth Low-Energy (BLE) radios [1] that can be self-powered by harvesting the ambient energies, avoiding the loss and cost of the interim power converters. An ultralow-voltage Dual-Mode gm Scheme assisted by Scalable Self-reference Chirp Injection (SSCI) is proposed (Fig. 3.2.1) for the XO to surmount the operating challenges under an inconstant sub-0.5V VDD (e.g. thermoelectric [2], ~80mV/K dependence) in both startup and steady states. Compatibility with different crystals (16/24MHz) is achieved, together with lower startup energy (14.2nJ) and steady-state power (31.8μW) than the recent art [3-5].

DOIhttp://doi.org/10.1109/ISSCC.2018.8310179
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000459205600013
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Citation statistics
Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionINSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.University of Macau, China;
2.Instituto Superior Tecnico, University of Lisboa, Lisbon, Portugal
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Ka-Meng Lei,Pui-In Mak,Man-Kay Law,et al. A regulation-free sub-0.5V 16/24MHz crystal oscillator for energy-harvesting BLE radios with 14.2nJ startup energy and 31.8pW steady-state power[C]//Institute of Electrical and Electronics Engineers Inc.,2018:52-54.
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