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A CMOS voltage-controlled oscillator using a cascode structure
- Authors
- Shin, Hooyoung; Lee, Milim; Lee, Changhyun; Park, Changkun
- Issue Date
- Jul-2016
- Publisher
- WILEY-BLACKWELL
- Keywords
- cascode; CMOS; cross-coupled; oscillator; VCO
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.58, no.7, pp.1560 - 1563
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 58
- Number
- 7
- Start Page
- 1560
- End Page
- 1563
- ISSN
- 0895-2477
- Abstract
- In this study, a cascode CMOS voltage-controlled oscillator (VCO) to reduce the power consumption related to the RF system level and to increase the output power was proposed. The proposed VCO core consists of a cascode structure to increase the supply voltage of the VCO. To mitigate the reliability problems associated with gate-source and gate-drain breakdowns, the gate nodes of common-source transistors were connected to the source nodes of common-gate transistors. To verify the functionality of the proposed VCO, a 2.4-GHz CMOS VCO using the 110-nm RF CMOS process was designed. From the measured results, a relatively high output power with a 2.2 V supply voltage was obtained. (c) 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1560-1563, 2016
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Related Researcher
- Park, Chang kun
- College of Information Technology (Department of Electronic Engineering)