Design of low power 6-bit digitally-controlled oscillator (DCO)

Mohammad Anisur Rahman, Habibah Binti Mohamed, Md. Mamun Ibne Reaz, Sawal Hamid Md Ali, Wan Mimi Diyana Wan Zaki

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A low power 6-bit CMOS ring based digitally controlled oscillator (DCO) design is presented. The design is proposed based on binary-to-thermometer (BT) decoder current mirror digital-to-analog converter (DAC) and ring-based voltage controlled oscillator (VCO). The DCO is implemented using 0.18 μm CEDEC Mentor Graphic CMOS process at 2.0 V supply voltage. The simulation results show that the proposed DCO consumed only 9.5764 mW of power besides the output voltage is 1.8121 V and local oscillator clock frequency is 33 MHz. The phase noise parameter is - 132 dBc/Hz with an offset frequency of 100 kHz has also been reported for the proposed circuits.

Original languageEnglish
Pages (from-to)297-305
Number of pages9
JournalInternational Journal on Electrical Engineering and Informatics
Volume6
Issue number2
Publication statusPublished - 2014

Fingerprint

Thermometers
Variable frequency oscillators
Electric potential
Digital to analog conversion
Phase noise
Clocks
Mirrors
Networks (circuits)

Keywords

  • Digital-to-analog converter
  • Digitally-controlled oscillator
  • Phase noise
  • Ring oscillator

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Design of low power 6-bit digitally-controlled oscillator (DCO). / Rahman, Mohammad Anisur; Mohamed, Habibah Binti; Ibne Reaz, Md. Mamun; Md Ali, Sawal Hamid; Wan Zaki, Wan Mimi Diyana.

In: International Journal on Electrical Engineering and Informatics, Vol. 6, No. 2, 2014, p. 297-305.

Research output: Contribution to journalArticle

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AU - Wan Zaki, Wan Mimi Diyana

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