By Dietmar Kissinger
The publication offers the research and layout of built-in car radar receivers in Silicon-Germanium expertise, to be used in complicated multi-channel radar transceiver front-ends within the 77GHz frequency band. the most emphasis of the paintings is the belief of high-linearity and low-power modular receiver channels in addition to the research of millimeter-wave built-in attempt suggestions for the receiver front-end.
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Additional info for Millimeter-Wave Receiver Concepts for 77 GHz Automotive Radar in Silicon-Germanium Technology
Example text
11a shows a microstrip line configuration as used throughout this work. The signal line is usually 30 3 Silicon-Germanium Bipolar Technology a b l l d W d εr Microstrip line S W W εr Coupled microstrip line Fig. 11 Configuration of a microstrip line. The characteristic impedance is altered by changing width W or distance d to the ground plane. (a) Standard. (b) Coupled microstrip line E-Field a E-Field b VirtualGround H-Field H-Field + + + Fields in even-mode − Fields in odd-mode Fig. 12 Distribution of the electric field E and magnetic field H in a differential microstrip line cross section.
121–124. 7. J. D. Cressler, Silicon Heterostructure Handbook: Materials, Fabrication, Devices, Circuits, and Applications of SiGe and Si Strained-Layer Epitaxy. CRC Press, 2006. 8. ——, “SiGe HBT technology: A new contender for Si-based RF and microwave circuit applications,” IEEE Trans. Microw. , vol. 46, no. 5, pp. 572–589, May 1998. 9. J. B¨ock, H. Sch¨afer, K. Aufinger, R. Stengl, S. Boguth, R. Schreiter, M. Rest, H. Knapp, M. Wurzer, W. Perndl, T. B¨ottner, and T. F. Meister, “SiGe bipolar technology for automotive radar applications,” in Proc.
12. R. K. Vytla, T. F. Meister, K. Aufinger, D. Lukashevich, S. Boguth, J. B¨ock, H. Sch¨afer, and R. Lachner, “Simultaneous integration of SiGe high speed transistors and high voltage transistors,” in Proc. Bipolar/BiCMOS Circuits Technol. Meeting, Maastricht, The Netherlands, Oct. 2006. 1 Mixer Principle Mixers are a central part of radio transmission systems. They are used for frequency translation in the transmit and receive path. 1 shows the symbol of an ideal mixer that operates as a multiplier using a local oscillator.
