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Journal Article A 23-GHz Capacitive-degeneration LC VCO with a FOM of -199 dBc/Hz
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Authors
J. Y. Lee, S. H. Lee, H. Kim, H. K. Yu
Issue Date
2008-06
Citation
Microwave and Optical Technology Letters, v.50, no.6, pp.1688-1690
ISSN
0895-2477
Publisher
John Wiley & Sons
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1002/mop.23453
Project Code
08ZB1300, SiGe-Based Quantum Channel Nano-Device Technology, Lee Sang-Heung
Abstract
In this article, we presents a fully differential 23-GHz capacitively emitter-degeneration double cross-coupled LC-tank VCO. The proposed capacitive-degeneration negative-resistance cell has higher ftrans and lower input capacitance than conventional cross-coupled pairs at millimeter-wave band. The proposed capacitive-degeneration LC VCO shows low phase noise of-105 dBc/Hz at 100 kHz offset from 23 GHz carrier and wide tuning range of 20.8-24.2 GHz, and consumes 10 mA current. The proposed 23 GHz LC VCO shows a good FOM of - 199 dBc/Hz. © 2008 Wiley Periodicals, Inc.
KSP Keywords
Fully differential, LC tank, LC voltage controlled oscillator(LC-VCO), Low phase noise, Millimeter-wave band, Wide Tuning Range, cross-coupled, millimeter wave(mmWave)