학술논문

A 0.18 /spl mu/m CMOS 2.45 GHz, low-power quadrature VCO with 15% tuning range
Document Type
Conference
Source
2002 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium. Digest of Papers (Cat. No.02CH37280) Radio frequency integrated circuits Radio Frequency Integrated Circuits (RFIC) Symposium, 2002 IEEE. :67-70 2002
Subject
Fields, Waves and Electromagnetics
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Voltage-controlled oscillators
MOS devices
Parasitic capacitance
Q factor
Resistors
Inductors
Capacitors
Inductance measurement
Frequency measurement
Integrated circuit measurements
Language
ISSN
1529-2517
Abstract
This work demonstrates the feasibility of a fully integrated LC-resonator based quadrature VCO for low power operation at 2.45 GHz, having a 15% tuning range due to a combination of analog and digital tuning techniques. The VCO dissipates 7.2 mW and fulfills the Bluetooth requirements. The design has been realized in a 0.18 /spl mu/m CMOS technology.