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A 23‐GHz capacitive‐degeneration LC VCO with a FOM of −199 dBc/Hz
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- 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
- 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)