## Abstract A novel low‐power differential Colpitts voltage‐controlled oscillator (VCO) is proposed and implemented in a 0.18‐μm CMOS 1P6M process. The proposed circuit topology consists of two single‐ended Colpitts LC‐tank VCOs, and the differential VCO is obtained by using a cross‐coupled nMOS pa
A 5-GHz low-phase noise CMOS VCO with swing boosting technique
✍ Scribed by Junhua Liu; Huailin Liao; Ru Huang
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 369 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A 5‐GHz CMOS VCO with improved phase noise is proposed in this article. A gate voltage boosting technique is realized with only one inductor. The proposed VCO is fabricated in 0.18 μm CMOS process, and the measured phase noise is −122.7 dBc/Hz@1 MHz when operates at 4.936 GHz, with a power dissipation of 5.28 mW from 1 V supply. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2061–2064, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24539
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