Monolithic integration of microstrip line couplers for automotive radar applications at 77 GHz using a Si-HBT technology

A branch-line, rat-race and a reduced-size branch-line coupler have been realized in a modern SiGe:C bipolar technology for application in automotive radar systems at 77 GHz. The paper describes the design methodology of passive circuits on lossy Si-based substrate up to 110 GHz and gives measuremen...

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Bibliographic Details
Main Authors: Hartmann, M., Seemann, K., Jager, H., Kolmhofer, E., Weigel, R.
Format: Conference Proceeding
Language:English
Subjects:
77GHz
Automotive engineering
Automotive Radar
Couplers
Dielectric losses
Directional Coupler
Frequency
Impedance
Microstrip
Millimeter Wave
Millimeter wave radar
Millimeter wave technology
Monolithic integrated circuits
Radar applications
SiGe
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Description
Summary:A branch-line, rat-race and a reduced-size branch-line coupler have been realized in a modern SiGe:C bipolar technology for application in automotive radar systems at 77 GHz. The paper describes the design methodology of passive circuits on lossy Si-based substrate up to 110 GHz and gives measurement results of the manufactured circuits.
ISSN:2165-4727
2165-4743
DOI:10.1109/APMC.2006.4429538