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A fully integrated single core VCO with a wide tuning range for DVB-H

✍ Scribed by Sunil Lalchand Khemchandani; Javier del Pino Suarez; Roberto Diaz Ortega; Antonio Hernandez

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 252 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24318

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✦ Synopsis

Abstract

This article presents a fully integrated LC VCO in a low cost 0.35 μm BiCMOS technology for DVB‐H standard. The VCO was designed for a direct conversion receiver architecture. To facilitate the integration of inductors and capacitors, the circuit oscillates at twice the required UHF frequency. Techniques like emitter degeneration, capacitor divider, and optimum bias and tank design have been used to improve phase noise requirements. The obtained phase noise is −112 dBc/Hz at 100 kHz offset and the tuning range is 47.6%. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1338–1343, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24318

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