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A 3.8-GHz highly linear <i>LC</i>-VCO without a varactor device
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- Authors
- Hui Dong Lee, Jaeho Jung, Kwangchun Lee
- Issue Date
- 2013-03
- Citation
- IEICE Electronics Express, v.10, no.5, pp.1-6
- ISSN
- 1349-2543
- Publisher
- IEICE
- Language
- English
- Type
- Journal Article
- Abstract
- A LC-VCO topology without a varactor device has been proposed. The oscillator includes a variable capacitance block for a frequency tuning. The block consists of two transistors and two capacitors. The LC-VCO has been fabricated in a 130-nm CMOS technology. The measured results show operation frequencies of 3.73 GHz to 3.94 GHz and a phase noise of -119.1 dBc/Hz at 1-MHz offset frequency. Power consumption is 5.9mA from a 1.2V supply. © IEICE 2013.
- KSP Keywords
- 73 GHz, 94 GHz, CMOS Technology, Frequency tuning, Highly linear, LC voltage controlled oscillator(LC-VCO), Power Consumption, Variable capacitance, phase noise