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A 4.3-GHz VCO with 2-GHz tuning range and low phase noise

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3 Author(s)
P. Vaananen ; Nokia Mobile Phones, Tampere, Finland ; M. Metsanvirta ; N. T. Tchamov

A voltage-controlled oscillator (VCO) based on double cross-coupled multivibrator structure with a center frequency of 4.3 GHz and a tuning range of 2 GHz has been designed and implemented in standard 0.35 μm BiCMOS technology. The measured phase noise is 113 dBc/Hz at 600-kHz offset frequency from the carrier. The VCO draws 14.6 mA from the 2.5-V supply

Published in:

IEEE Journal of Solid-State Circuits  (Volume:36 ,  Issue: 1 )