Paper Info
Title
A 77 GHz 90 nm CMOS Transceiver for FMCW Radar Applications
Abstract
The first 77 GHz frequency modulated continuous wave (FMCW) radar transceiver IC with an accurate FMCW chirp signal generator using a 90 nm CMOS process is presented. To realize accurate FMCW radar system in CMOS, a PLL syn- thesizer based FMCW generator with chirp smoothing technique that is able to output linear FMCW frequency chirp using a nonlinear reference chirp signal supplied from a low spec/cost digital-oriented frequency reference is applied. The fabricated IC consists of an LNA, a down-conversion mixer with an output buffer, a driver amplifier, a power amplifier with power combiner, an LO distributer and an FMCW synthesizer. The measured FMCW signal from the proposed FMCW generator achieves 93 kHz frequency error (nonlinearity) at the 77 GHz chip signal. Radar performance of the IC has less than 1% ranging error from 1 m to 8 m distance from the measurement in a laboratory. These results show the transceiver achieves a fundamental function for radar applications with 520 mW power consumptions. Index Terms—Chirp radar, CMOS integrated circuits, FMCW, millimeter wave circuits, transceiver, 77 GHz circuits.
Year
DOI
Venue
2010
10.1109/JSSC.2010.2040234
J. Solid-State Circuits
Keywords
Field
DocType
signal generators,chirp,gain,frequency modulation,lna,transceivers,chip,fmcw radar,power amplifier,transceiver,radar,phase locked loops,generators,cmos integrated circuits,millimeter wave,distributed amplifiers
Continuous-wave radar,Radar,Phase-locked loop,Transceiver,Computer science,Signal generator,CMOS,Electronic engineering,Chirp,Frequency modulation,Electrical engineering
Journal
Volume
Issue
ISSN
45
4
0018-9200
Citations 
PageRank 
References 
24
5.59
4
Authors
6
Name
Order
Citations
PageRank
Toshiya Mitomo1246.26
Naoko Ono2318.11
Hiroaki Hoshino34511.54
Yoshiaki Yoshihara45213.54
Osamu Watanabe5960104.55
Ichiro Seto6318.75