A 19 GHz CMOS Signal Generator for 77 GHz FMCW Radars
Microwave and Wireless Components Letters, IEEE （2014）
摘要
This letter presents a novel architecture of signal source suitable for the 77 GHz frequency-modulated continuous-wave (FMCW) radar transceiver. By using a conventional 19 GHz integer- N phase-locked loop (PLL) with a frequency modulation loop, the required 19 GHz sinusoidal signal and 19-19.5 GHz FMCW frequency chirp can be generated simultaneously without excessive hardware overhead. Fabricated in a standard 65 nm CMOS process, the proposed circuit consumes a dc power of 68 mW from a supply voltage of 1.2 V.
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关键词
cmos integrated circuits,cw radar,fm radar,field effect mmic,millimetre wave radar,phase locked loops,radar equipment,signal generators,transceivers,cmos signal generator,fmcw frequency chirp,fmcw radars,pll,frequency 19 ghz,frequency 77 ghz,frequency modulation loop,frequency-modulated continuous-wave radar transceiver,integer-n phase-locked loop,power 68 mw,signal source architecture,size 65 nm,voltage 1.2 v,frequency chirp,frequency-modulated continuous-wave (fmcw) radar,phase-locked loop (pll),chirp,frequency modulation,radar
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