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Broadband VCO using electronically controlled metamaterial transmission line based on varactor-loaded split-ring resonator
- Authors
- Choi, Jaewon; Seo, Chulhun
- Issue Date
- Apr-2008
- Publisher
- JOHN WILEY & SONS INC
- Keywords
- broadband VCO; metamaterial; varactor-loaded split-ring resonator; tuning range; phase noise
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.50, no.4, pp.1078 - 1082
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 50
- Number
- 4
- Start Page
- 1078
- End Page
- 1082
- ISSN
- 0895-2477
- Abstract
- In this article, the broadband voltage-controlled oscillator (VCO) using electronically controlled metamaterial transmission line based on varactor-loaded split-ring resonator (VLSRR) is presented. It is demonstrated that VLSRR coupled to microstrip line can lead to metamaterial transmission line with tuning capability. The negative effective permeability is realized by the VLSRR in a narrow band above the resonant frequency. The bias of VLSRR is controlled by the varactor diodes. The phase noise of VCO is -108.84 to -106.84 dBc/Hz at 100 kHz in the timing range, 5.407-5.84 GHz. The figure of merit (FOM) called power-frequency-tuning-normalized (PFTN) is 20.144 dB. (C) 2008 Wiley Periodicals, Inc.
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Related Researcher
- Seo, Chul hun
- College of Information Technology (Department of IT Convergence)