By Vadim Issakov
There are non-stop efforts focussed on enhancing street site visitors defense all over the world. a number of motor vehicle security measures comparable to motive force counsel structures were invented. Many motive force suggestions positive aspects depend upon radar-based sensors, yet are steeply-priced. cognizance of inexpensive radar front-end circuits might permit their implementation in less costly economic system autos, significantly contributing to site visitors protection. rate aid calls for high-level integration of the microwave front-end circuitry, in particular analog and electronic circuit blocks co-located on a unmarried chip. The e-book offers the layout, implementation, and characterization of microwave receiver circuits in CMOS and SiGe bipolar applied sciences. The applicability of a regular electronic 0.13 μm CMOS know-how for consciousness of a 24 GHz narrow-band radar front-end sensor is investigated. The awarded circuits are appropriate for automobile, business and patron functions, as e.g. lane-change assistant, door openers or alarms.
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Extra resources for Microwave Circuits for 24 GHz Automotive Radar in Silicon-based Technologies
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Several types of resistors are provided. The non-silicided p+ and p− polysilicon resistors offer sheet resistance of 150 Ω/ and 1000 Ω/ , respectively. Furthermore, tantalum-nitride (TaN) high precision metal resistor with sheet resistance of 20 Ω/ offers a high current carrying capability. 4 fF/µm2 . It is integrated in the metallization and uses a 50 nm Al2 O2 dielectric layer. 3 Technology Comparison In order to evaluate the performance of the available technologies and to verify their suitability for the application, this section summarizes the key parameters.
Read, A. Adams, and J. R. Soto-Montiel, ‘‘Electrostatic Cylinder Lenses I: Twoelement Lenses’’, Journal of Physics E: Scientific Instruments, vol. 4, pp. 625--632, September 1971. O. Fujiwara and T. Ikawa, ‘‘Numerical Calculation of Human-Body Capacitance by Surface Charge Method’’, Electronics and Communications in Japan, Part 1, vol. 85, pp. 38--44, 2002. D. K. Reitan and T. J. Higgins, ‘‘Electrical capacitance of the unit cube’’, Journal of Applied Physics, vol. 22, pp. 223--226, February 1951.