Title :
A 0.32 THz FMCW radar system based on low-cost lens-integrated SiGe HBT front-ends
Author :
Statnikov, Konstantin ; Ojefors, E. ; Grzyb, Janusz ; Chevalier, P. ; Pfeiffer, Ullrich R.
Author_Institution :
Univ. of Wuppertal, Wuppertal, Germany
Abstract :
This paper presents a 0.32 THz high-resolution radar system for short-range applications. It utilizes a homodyne FMCW radar architecture based on a low-cost SiGe HBT chip-set. It is implemented in a 0.13-μm SiGe engineering technology version with cutoff frequencies fT /fmax of 300/350 GHz and offers lens-integrated on-chip antennas. The measured maximum radiated power of the packaged transmitter is -5 dBm (14 dBm EIRP) at 0.311 THz. The 6-dB operational bandwidth of the chip-set is 27 GHz around the center frequency of 0.325 THz. The conversion gain of the receiver including antenna efficiency is -16 to -8 dB and its noise figure is 30-37 dB over the operational bandwidth. The FMCW radar functionality is demonstrated in a face-to-face chip-set configuration.
Keywords :
CW radar; FM radar; Ge-Si alloys; antenna radiation patterns; elemental semiconductors; heterojunction bipolar transistors; radar resolution; FMCW radar functionality; FMCW radar system; HBT chip-set; SiGe; antenna efficiency; bandwidth 27 GHz; conversion gain; engineering technology; face-to-face chip-set configuration; frequency 0.32 THz; frequency 300 GHz; frequency 350 GHz; high-resolution radar system; homodyne FMCW radar architecture; lens-integrated on-chip antennas; low-cost lens-integrated HBT front-ends; noise figure; packaged transmitter; radiated power measurement; short-range applications; size 0.13 mum; Antenna measurements; Bandwidth; Heterojunction bipolar transistors; Radar imaging; Receivers; Silicon germanium; Frequency modulated continuous wave (FMCW); SiGe HBT Technology; high-resolution radar (HRR);
Conference_Titel :
ESSCIRC (ESSCIRC), 2013 Proceedings of the
Conference_Location :
Bucharest
Print_ISBN :
978-1-4799-0643-7
DOI :
10.1109/ESSCIRC.2013.6649077
