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Single-chip coplanar 94-GHz FMCW radar sensors

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10 Author(s)
Haydl, W.H. ; Fraunhofer-Inst. for Appl. Solid State Phys., Freiburg, Germany ; Neumann, M. ; Venveyen, L. ; Bangert, A.
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A low-cost 94-GHz monolithically integrated coplanar FMCW radar chip has been developed, using 0.15-μm AlGaAs-InGaAs-GaAs PM-HEMT technology. The chip includes a VCO, electrically tunable over several gigahertz, transmit and receive amplifiers, a mixer, and a directional coupler. The monolithic microwave integrated circuits (MMICs) are as small as 8 mm2, delivering up to 10 mW of radio frequency (RF) power at a DC power consumption of 0.7 W. The receiver noise figure is 6-7 dB, and the conversion gain is 10 dB

Published in:

Microwave and Guided Wave Letters, IEEE  (Volume:9 ,  Issue: 2 )

Date of Publication:

Feb 1999

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