A dual-band VCO using inductor splitting for automotive radar system at W-band

Author

Jongsuk Lee ; Yong Moon ; Taewon Ahn

Author_Institution

Dept. of Electron. Eng., Soongsil Univ., Seoul, South Korea

fYear

2014

fDate

10-12 Dec. 2014

Firstpage

168

Lastpage

171

Abstract

A dual-band VCO (Voltage Controlled Oscillator) for automotive radar system is proposed by 65nm CMOS process. The proposed VCO is splitting inductor and NMOS cross-coupled differential LC type and includes output matching buffer. The output frequencies of VCO are 76.4~77.1GHz and 78.5~ 80GHz. These frequency bands are proper to long-range and short-range radar sensor system of automotive radar at W-band. The simulation results show the output power of -8.4dBm and the phase noise of -90.8dBc/Hz at 1MHz offset and -113.3dBc/Hz at 10MHz offset. The power consumption of the proposed VCO is 30mW at the supply voltage of 1.2V. The proposed VCO shows good figure of merit (FOM) of -176.6dBc/Hz.

Keywords

CMOS analogue integrated circuits; automotive electronics; field effect MIMIC; inductors; millimetre wave oscillators; millimetre wave radar; road vehicle radar; CMOS process; FOM; NMOS cross-coupled differential LC type; W-band; automotive radar system; dual-band VCO; figure of merit; inductor splitting; output matching buffer; phase noise; power 30 mW; short-range radar sensor system; size 65 nm; voltage 1.2 V; voltage controlled oscillator; Automotive engineering; CMOS integrated circuits; Inductors; Phase noise; Radar; Tuning; Voltage-controlled oscillators; Automotive Radar System; CMOS; Frequency Synthesizer; Inductor splitting; VCO(Voltage Controlled Oscillator);

fLanguage

English

Publisher

ieee

Conference_Titel

Integrated Circuits (ISIC), 2014 14th International Symposium on

Conference_Location

Singapore

Type

conf

DOI

10.1109/ISICIR.2014.7029508

Filename

7029508