Title :
A wideband quadrature LO generator in digital CMOS
Author :
Harrison, J. ; Weste, N.
Author_Institution :
Macquarie Univ., Sydney, NSW, Australia
Abstract :
A quadrature local oscillator (LO) generator using only CMOS transistors produces quadrature outputs with a phase error of less than 2 degrees over 200 MHz to 950 MHz from a single phase input. The circuit uses a novel multiple-stage topology with inverters as phase delay elements.
Keywords :
CMOS digital integrated circuits; UHF integrated circuits; UHF oscillators; signal generators; 200 to 950 MHz; digital CMOS IC; inverter; multiple stage topology; phase delay element; phase error; wideband quadrature local oscillator generator; CMOS process; Circuit topology; Delay; Dynamic range; Frequency; Inverters; Local oscillators; Radio transmitters; Receivers; Wideband;
Conference_Titel :
Custom Integrated Circuits, 1999. Proceedings of the IEEE 1999
Conference_Location :
San Diego, CA, USA
Print_ISBN :
0-7803-5443-5
DOI :
10.1109/CICC.1999.777366
