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An ultra low voltage 2.4GHz CMOS VCO

Publiceringsår: 2002
Språk: Engelska
Sidor: 205-208
Publikation/Tidskrift/Serie: Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573)
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


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


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • 2.4 GHz
  • 2.8 mA
  • 0.7 V
  • source node inductor
  • Bluetooth
  • phase noise
  • very low supply voltage
  • voltage controlled oscillator


IEEE Radio and Wireless Conference
  • ISBN: 0-7803-7458-4

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