Title :
A low-power, 10 GHz back-gated tuned voltage controlled oscillator with automatic amplitude and temperature compensation
Author :
Murji, Rizwan ; Deen, M. Jamal
Author_Institution :
Dept. of Comput. & Electr. Eng., McMaster Univ., Hamilton, Ont., Canada
Abstract :
This paper presents the design results of a 10 GHz CMOS voltage-controlled oscillator (VCO) with automatic amplitude control (AAC). The circuit is an LC oscillator using an integrated octagonal inductor. The VCO is fully integrated and simulation results are shown for a deep n-well 0.18 μm CMOS process which allows access to the body of NMOS transistors. The frequency is tuned using the back-gated voltages of the NMOS cross-coupled differential pair in the oscillator. Over temperature variations, the frequency of operation is 10.02 GHz, with a tuning range of 500 MHz, phase noise of -102 dBc/Hz@1MHz and power dissipation of 3.7 mW from a 1.8 V supply.
Keywords :
CMOS analogue integrated circuits; MMIC oscillators; MOSFET; circuit tuning; inductors; integrated circuit design; integrated circuit modelling; integrated circuit noise; phase noise; voltage-controlled oscillators; 0.18 micron; 1 MHz; 1.8 V; 10 GHz; 10.02 GHz; 3.7 mW; 500 MHz; CMOS process; CMOS voltage-controlled oscillator; LC oscillator; NMOS cross-coupled differential pair; NMOS transistors; automatic amplitude control; back-gated voltages; gated tuned voltage controlled oscillator; integrated octagonal inductor; phase noise; power dissipation; temperature compensation; tuning range; Automatic voltage control; CMOS process; Circuits; Frequency; Inductors; MOS devices; MOSFETs; Temperature distribution; Tuning; Voltage-controlled oscillators;
Conference_Titel :
Circuits and Systems, 2004. ISCAS '04. Proceedings of the 2004 International Symposium on
Print_ISBN :
0-7803-8251-X
DOI :
10.1109/ISCAS.2004.1329030
