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Active Inductor based VCO for High Tuning Range

Rashmi Srivastava, Sangeeta Mangesh Published in Circuit And Systems

International Journal of Applied Information Systems
Year of Publication 2012
© 2010 by IJAIS Journal
10.5120/ijais12-450638
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  1. Rashmi Srivastava and Sangeeta Mangesh. Article: Active Inductor based VCO for High Tuning Range. International Journal of Applied Information Systems 4(3):29-33, September 2012. BibTeX

    @article{key:article,
    	author = "Rashmi Srivastava and Sangeeta Mangesh",
    	title = "Article: Active Inductor based VCO for High Tuning Range",
    	journal = "International Journal of Applied Information Systems",
    	year = 2012,
    	volume = 4,
    	number = 3,
    	pages = "29-33",
    	month = "September",
    	note = "Published by Foundation of Computer Science, New York, USA"
    }
    

Abstract

This paper presents a study of Active inductor based VCOs that helps in increasing the tuning range of the VCO , reduces the chip size and phase noise of the circuit. Study has been done on LC VCOs by replacing the passive inductors with the active one consisting of MOSFET. Design of circuit has been done on Orcade Capture using . 18um technology. power consumption of circuit is 1. 33mW with tuning range of 81%. Tuning range of the VCO is increased because the active inductor cancels out the parasitic capacitance of the circuit.

Reference

  1. Haiyong Wang , Nanjian Wu and Guoliang Shou, A novel CMOS low- phse –noise VCO with enlarged tuning range, 978-1-4244-1880-0-08©2008 IEEE
  2. Matthieu Fillaud, Herve Barthelemy, Design of a wide tuning range VCO using an Active inductor
  3. Sang-Ki Eun , Choon Sik Cho , Jae W. Lee and Jaeheung Kim A Low Power VCO Using Active Inductor For LowPhase Noise and Wide Tuning Range 978-2-87487-011-8 © 2009 EuMA
  4. Dominic DiClemente and Fei Yuan A Wide Frequency Tuning Range Active-Inductor Voltage-Controlled Oscillator for Ultra Wideband application 978-1-4244-3828-0/09© 2009 IEEE
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  6. I. M. Filanovsky, Md. Mahbub Reja, and C. J. M. Verhoeven. Analysis of Wide Tuning Range CMOS VCO With Active Inductors 978-1-4244-7773-9/10/$26. 00 ©2010 IEEE
  7. Mahdi Ebrahimzadeh, Farzan Rezaei,Siavash Rezaei. A new Active inductor and its application to wide tuning range IJSCE volume-1, issue -5, nov 2011
  8. A simple CMOS-based inductor simulator and frequency performance improvement techniques Shahram Minaeia,?, Erkan Yuceb. Int. J. Electron. Commun. (AEÜ) 66 (2012) 884– 891

Keywords

Active inductor, LC Oscillator, VCO, RF circuit