A regulation-free sub-0.5 V 16/24MHz crystal oscillator for energy-harvesting BLE radios with 14.2 nJ startup energy and 31.8 pW steady-state power

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	A regulation-free sub-0.5 V 16/24MHz crystal oscillator for energy-harvesting BLE radios with 14.2 nJ startup energy and 31.8 pW steady-state power
	Lei, K. M.; Mak, P. I.; Law, M. K.; Martins, R. P.
	2018-02-01
Source Publication	IEEE International Solid-State Circuits Conferences (ISSCC) Digest of Technical Papers
Abstract	This paper reports a regulation-free sub-0.5V crystal oscillator (XO) for Bluetooth Low-Energy (BLE) radios that can be self-powered by harvesting the ambient energies, avoiding the loss and cost of the interim power converters. An ultra-low-voltage Dual-Mode gm Scheme assisted by Scalable Self-reference Chirp Injection (SSCI) is proposed for the XO to surmount the operating challenges under an inconstant sub-0.5V VDD (e.g. thermoelectric, ~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 (31μW) than the recent art.
Keyword	Crystal Oscillators Fast startup ultra-low-power ultra-low-voltage chirping multi-stage gm
URL	View the original
Language	英語English
The Source to Article	PB_Publication
PUB ID	37405
Document Type	Conference paper
Collection	DEPARTMENT OF CHINESE LANGUAGE AND LITERATURE
Recommended Citation GB/T 7714	Lei, K. M.,Mak, P. I.,Law, M. K.,et al. A regulation-free sub-0.5 V 16/24MHz crystal oscillator for energy-harvesting BLE radios with 14.2 nJ startup energy and 31.8 pW steady-state power[C], 2018.
APA	Lei, K. M.., Mak, P. I.., Law, M. K.., & Martins, R. P. (2018). A regulation-free sub-0.5 V 16/24MHz crystal oscillator for energy-harvesting BLE radios with 14.2 nJ startup energy and 31.8 pW steady-state power. IEEE International Solid-State Circuits Conferences (ISSCC) Digest of Technical Papers.

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