Investigating the effects of the supply voltage on the tuning range of a 10‐GHz VCO in 0.18‐μm CMOS technology | Zendy

Cabuk A. | Zendy; Yeo K. S. | Zendy; Ma J. G. | Zendy; Do M. A. | Zendy

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Investigating the effects of the supply voltage on the tuning range of a 10‐GHz VCO in 0.18‐μm CMOS technology

Author(s) -

Cabuk A.,

Yeo K. S.,

Ma J. G.,

Do M. A.

Publication year - 2004

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.20002

Subject(s) - voltage controlled oscillator , synchronous optical networking , phase noise , dbc , cmos , electrical engineering , microwave , offset (computer science) , voltage , varicap , engineering , electronic engineering , power consumption , materials science , power (physics) , telecommunications , computer science , physics , electrode , quantum mechanics , capacitance , programming language

The design of a 10‐GHz voltage‐controlled oscillator (VCO) for synchronous optical network (SONET) applications is presented in this paper. The circuit is fabricated in 0.18‐μm RF CMOS process and it has a phase noise of −95 dBc/Hz at 1‐MHz offset and a very low power consumption of 2.5 mW from a 1.8‐V supply, excluding the output buffers. The effect of supply voltage on the VCO tuning range and the ways to optimize VCO operation in the SONET system are also investigated. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 40: 448–451, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20002

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