Abstract
AbstractThe 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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