Title :
Frequency of oscillation for a multi-band voltage controlled ring oscillator
Author :
Milicevic, Sinisa ; MacEachern, Leonard ; Mahmoud, Samy
Author_Institution :
Dept. of Electron., Carleton Univ., Ottawa, ON
Abstract :
A ring oscillator with two control signals is presented. It is used in the design of a low power multi-band voltage- controlled ring oscillator. Fabricated in CMOS 0.18 mum technology, a single VCO can support operation in six frequency bands including 450 MHz, 700 MHz, 900 MHz, 1800 MHz, 1900 MHz, and 2400 MHz. The VCO occupies 2461 mum2 chip area and consumes from 2.2 mW to 5.6 mW from a 1.8 V supply.
Keywords :
CMOS integrated circuits; UHF oscillators; low-power electronics; voltage-controlled oscillators; CMOS fabrication; VCO; low power design; multiband voltage controlled ring oscillator; oscillation frequency; power 2.2 mW to 5.6 mW; size 0.18 mum; voltage 1.8 V; Capacitance; Delay; Frequency; MOSFETs; Reactive power; Ring oscillators; Signal generators; Varactors; Voltage control; Voltage-controlled oscillators; Ring oscillator; multi-band frequencies; phase noise; voltage-controlled oscillator;
Conference_Titel :
Circuits and Systems, 2007. NEWCAS 2007. IEEE Northeast Workshop on
Conference_Location :
Montreal, Que
Print_ISBN :
978-1-4244-1163-4
Electronic_ISBN :
978-1-4244-1164-1
DOI :
10.1109/NEWCAS.2007.4487967
