NDLI: A Continuously and Widely Tunable 5 dB-NF 89.5 dB-Gain 85.5 dB-DR CMOS TV Receiver With Digitally-Assisted Calibration for Multi-Standard DBS Applications

Content Provider	IEEE Xplore Digital Library
Author	Song-Ting Li Jian-Cheng Li Xiao-Chen Gu Hong-Yi Wang Ming-Hua Tang Zhao-Wen Zhuang
Copyright Year	1966
Abstract	This paper presents a direct-conversion, multi-standard TV receiver implemented in a 0.13 μm CMOS technology occupying less than 4 mm². The receiver is compliant with several direct broadcasting satellite (DBS) standards, including DVB-S, DVB-S2, and ABS-S. A novel automatic frequency tuning (AFT) technique is adopted based on a searching algorithm to ensure less than 6% bandwidth deviation of the different bandwidths (over 40 bandwidth channels) for multi-standard applications. Moreover, digitally-assisted DC offset calibration is used to improve second-order distortion and calibration time of the receiver and the residual output offset achieved is less than 3 mV. An integrated ΣΔ fractional-N synthesizer utilizing an optimized automatic frequency calibration (AFC) scheme enables a fast and high-precision calibration process for dual-VCO phase-locked loop (PLL) operation. The measured linearity exceeds the desired target with the minimum margin in excess of 7 dBm, and the maximum carrier-to-noise ratio (CNR) values are better than 30 dB over wide input power levels, ensuring robust reception in variable environments. All circuit blocks are operated at 2.8 V stabilized by an LDO and consuming a total current of about 56 mA.
Sponsorship	IEEE Solid-State Circuits Society IEEE Electron Devices Society IEEE Circuits and Systems Society Japan Society of Applied Physics (JSAP) IEEE Microwave Theory and Techniques Society IEEE San Francisco Section Bay Area Council Univ. PA IEEE
Starting Page	2762
Ending Page	2774
Page Count	13
File Size	3120028
File Format	PDF
ISSN	00189200
Volume Number	48
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers Bandwidth Gain Radio frequency Baseband Satellite broadcasting Digital video broadcasting automatic frequency calibration (AFC) ABS-S automatic frequency tuning (AFT) DC offset calibration (DCOC) direct-conversion receiver DVB-S DVB-S2 widely-tunable high-precision filter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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