A Low-Power Micromixer with High Linearity for Automotive Radar at 77 GHz in Silicon-Germanium Bipolar Technology

Author

Hartmann, Marcus ; Wagner, Christoph ; Seemann, Kay ; Platz, Johannes ; Jäger, Herbert ; Weigel, Robert

Author_Institution

Inst. for Electron. Eng., Friedrich-Alexander-Univ., Erlangen

fYear

2007

Firstpage

237

Lastpage

240

Abstract

A direct-conversion micromixer realized in a modern SiGe:C bipolar technology for application in automotive radar systems at 77 GHz is presented. The mixer exhibits a minimum conversion gain of 15 dB and a maximum noise figure of 16.5 dB over a frequency range from 75 GHz to 85 GHz. The 1dB input related compression point is at -3dBm and the RF and LO matching is better than -20 dB and -10 dB, respectively. The total DC current consumption is 34 mA at 5.5 V

Keywords

Ge-Si alloys; automotive electronics; bipolar MIMIC; low-power electronics; millimetre wave mixers; road vehicle radar; 15 dB; 16.5 dB; 34 mA; 5.5 V; 75 to 85 GHz; SiGe:C; automotive radar; direct-conversion micromixer; low-power micromixer; noise figure; silicon-germanium bipolar technology; Automotive engineering; Frequency conversion; Gain; Germanium silicon alloys; Linearity; Mixers; Noise figure; Radar applications; Radio frequency; Silicon germanium; 77 GHz; Automotive Radar; Micromixer; Millimeter Wave; SiGe;

fLanguage

English

Publisher

ieee

Conference_Titel

Silicon Monolithic Integrated Circuits in RF Systems, 2007 Topical Meeting on

Conference_Location

Long Beach, CA

Print_ISBN

0-7803-9765-7

Electronic_ISBN

0-7803-9765-7

Type

conf

DOI

10.1109/SMIC.2007.322828

Filename

4117369