Title :
A two-stage differential CCO implementation in submicron CMOS
Author :
Djahanshahi, Hormoz ; Salama, C. André T
Author_Institution :
Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada
Abstract :
Presents the design and implementation of a 525 MHz-1.2 GHz CMOS current-controlled oscillator (CCO) based on a novel two-stage differential ring. The basic building stage of the CCO consists of parallel differential amplifier pairs which reliably generate the necessary phase shift and gain to fulfill the oscillation conditions over process and temperature variations. Design issues are, discussed, and simulation and implementation results are presented
Keywords :
CMOS analogue integrated circuits; UHF integrated circuits; UHF oscillators; circuit feedback; differential amplifiers; integrated circuit reliability; variable-frequency oscillators; 525 MHz to 1.2 GHz; current-controlled oscillator; differential ring; oscillation conditions; parallel differential amplifier pairs; phase shift; process variations; temperature variations; two-stage differential CCO implementation; Buildings; Circuit simulation; Circuit topology; Clocks; Delay; Differential amplifiers; Frequency; Ring oscillators; Temperature; Voltage;
Conference_Titel :
Circuits and Systems, 2000. Proceedings of the 43rd IEEE Midwest Symposium on
Conference_Location :
Lansing, MI
Print_ISBN :
0-7803-6475-9
DOI :
10.1109/MWSCAS.2000.951645
