Title :
Fully Integrated SiGe-BiCMOS Receiver(RX) and Transmitter(TX) Chips for 76.5 GHz FMCW Automotive Radar Systems Including Demonstrator Board Design
Author :
Reuter, R. ; Li, H. ; To, I. ; Yin, Y. ; Ghazinour, A. ; Jahn, D. ; Morgan, D. ; Feige, J. ; Welch, P. ; Braithwaite, S. ; Knappenberger, B. ; Scheitlin, D. ; John, J. ; Huang, M. ; Wennekers, P. ; Tutt, M. ; Trigas, C. ; Kirchgessner, J.
Author_Institution :
Freescale GmbH, Munich
Abstract :
Advancements in SiGe device development enable the realization of 76.5 GHz FMCW automotive long range radar systems using relatively low-cost silicon technology. This paper presents fully integrated receiver (RX) and transmitter (TX) circuits for wide temperature range operations. The TX chips consists of a VCO with two stage power amplifier, frequency divider chain, power detector circuit and operational amplifier to on-chip compensate the temperature drift of the center frequency. The RX chips is based on a 38.25 GHz doubler, a 76.5 GHz LNA, a passive balun, a fully balanced mixer and IF buffer. Also the integration and combination with planar patched antennas on a demonstrator board was discussed.
Keywords :
BiCMOS analogue integrated circuits; CW radar; FM radar; Ge-Si alloys; power amplifiers; radar receivers; radar transmitters; road vehicle radar; BiCMOS circuits; FMCW automotive radar system; IF buffer; RX chips; SiGe; TX chips; VCO; demonstrator board design; frequency 38.25 GHz; frequency 76.5 GHz; frequency divider chain; fully balanced mixer; fully integrated receiver/transmitter circuits; operational amplifier; passive balun; power amplifier; power detector circuit; Automotive engineering; Frequency conversion; Germanium silicon alloys; Integrated circuit technology; Operational amplifiers; Power amplifiers; Radar; Silicon germanium; Temperature distribution; Transmitters; Antenna arrays; FM radar; antenna measurements; receivers; transmitters;
Conference_Titel :
Microwave Symposium, 2007. IEEE/MTT-S International
Conference_Location :
Honolulu, HI
Print_ISBN :
1-4244-0688-9
Electronic_ISBN :
0149-645X
DOI :
10.1109/MWSYM.2007.380434
