NDLI: Dual-Path <formula formulatype=inline><tex Notation=TeX>$LC$</tex> </formula> VCO Design With Partitioned Coarse-Tuning Control in 65 nm CMOS

Content Provider	IEEE Xplore Digital Library
Author	Yuanfeng Sun Xueyi Yu Woogeun Rhee Sangsoo Ko Wooseung Choo Byeong-Ha Park Zhihua Wang
Copyright Year	2001
Abstract	This letter describes a dual-path LC voltage controlled oscillator (VCO) design that reduces both coarse-tuning and fine-tuning sensitivities. By using a combination of discrete and continuous tuning methods for the coarse-tuning control, a very high gain ratio between the coarse-tuning path and the fine-tuning path can be avoided, significantly alleviating noise and coupling problems due to high coarse-tuning gain. A 3.03-3.67 GHz dual-path VCO in 65 nm CMOS exhibits -120.7 dBc/Hz at a 400 kHz offset from a 1.73 GHz carrier, showing better performance than the conventional single-path VCO that is implemented for comparison.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	169
Ending Page	171
Page Count	3
File Size	767882
File Format	PDF
ISSN	15311309
Volume Number	20
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage-controlled oscillators Phase locked loops Tuning Voltage control Integrated circuit noise CMOS technology Varactors Phase frequency detector Filters Sun voltage-controlled oscillators (VCOs) CMOS integrated circuits LC-VCO oscillators phase-locked loops phase noise
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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