A 4-b 7µW Phase Domain ADC With Time Domain Reference Generation for Low-Power FSK/PSK Demodulation

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	A 4-b 7µW Phase Domain ADC With Time Domain Reference Generation for Low-Power FSK/PSK Demodulation
	Lei, X.W.; Zhu, Y.; Chan, C. H.; Martins, R. P.
	2019-09-01
Source Publication	IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS–I: REGULAR PAPERS,
ISSN	1549-8328
Pages	3365-3372
Abstract	This paper presents a 4-b phase-domain analog-todigital converter (ADC) that utilizes the time-domain reference generation scheme for low-power operation. Rather than prior arts that rely on power-hungry resistive/current combiners or the IQ-assisted binary-search algorithm with large power T&H circuits for the reference generation, this design beneﬁts from the fully dynamic power characteristic of the time-domain operation, thus leading to an energy-efﬁcient phase ADC design. By introducing several on-chip calibration techniques, the design achieves good robustness with the proposed time-domain operation. The prototype is fabricated in the standard 65-nm CMOS technology, achieving an ENOB of 3.42 bits at 1 MS/s with near Nyquist input, while dissipating 7 µW from a 1-V supply. It leads to a 1.36-pJ/conversion-step Walden Figure of Merit at Nyquist input (FoM @ Nyquist).
Keyword	Bluetooth low energy (BLE) frequency-shift keying (FSK) low power phase ADC.
URL	View the original
Language	英語English
The Source to Article	PB_Publication
PUB ID	47891
Document Type	Journal article
Collection	University of Macau
Corresponding Author	Chan, C. H.
Recommended Citation GB/T 7714	Lei, X.W.,Zhu, Y.,Chan, C. H.,et al. A 4-b 7µW Phase Domain ADC With Time Domain Reference Generation for Low-Power FSK/PSK Demodulation[J]. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS–I: REGULAR PAPERS,, 2019, 3365-3372.
APA	Lei, X.W.., Zhu, Y.., Chan, C. H.., & Martins, R. P. (2019). A 4-b 7µW Phase Domain ADC With Time Domain Reference Generation for Low-Power FSK/PSK Demodulation. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS–I: REGULAR PAPERS,, 3365-3372.
MLA	Lei, X.W.,et al."A 4-b 7µW Phase Domain ADC With Time Domain Reference Generation for Low-Power FSK/PSK Demodulation".IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS–I: REGULAR PAPERS, (2019):3365-3372.

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