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An ultra low voltage 2.4GHz CMOS VCO

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Author

Summary, in English

A 2.4 GHz voltage controlled oscillator (VCO) with very low supply voltage is presented. The oscillator works at just 100 mV above the threshold voltage while fulfilling the phase noise requirements of Bluetooth. The very low supply voltage is achieved by replacing the current-source typically used with an inductor at the source node, thereby eliminating the DC-voltage drop. The oscillator measures a timing range of 13%, a current consumption of 2.8 mA, and a phase noise of -130 dBc/Hz at 3 MHz offset from the carrier frequency for a 0.7 V supply

Publishing year

2002

Language

English

Pages

205-208

Publication/Series

Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573)

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • 2.4 GHz
  • 2.8 mA
  • 0.7 V
  • source node inductor
  • Bluetooth
  • phase noise
  • very low supply voltage
  • CMOS VCO
  • voltage controlled oscillator

Conference name

IEEE Radio and Wireless Conference

Conference date

2002-08-11 - 2002-08-14

Conference place

Boston, MA, United States

Status

Published

ISBN/ISSN/Other

  • ISBN: 0-7803-7458-4