By Frank Ohnhäuser
This ebook bargains scholars and people new to the subject of analog-to-digital converters (ADCs) a large advent, sooner than going into info of the cutting-edge layout concepts for SAR and DS converters, together with the most recent study themes, that are useful for IC layout engineers in addition to clients of ADCs in purposes. The ebook then addresses very important themes, reminiscent of right connectivity of ADCs in an software, the verification, characterization and checking out of ADCs that determine high quality finish products.
Analog-to-digital converters are the important point in any information processing method and legislation loops akin to modems or electric motor drives. They considerably impact the functionality and determination of a approach or finish product. process improvement engineers have to be conversant in the functionality parameters of the converters and comprehend the benefits and downsides of a few of the architectures. built-in circuit improvement engineers need to triumph over the matter of attaining excessive functionality and backbone with the bottom attainable energy dissipation, whereas the electronic circuitry generates distortion in provide, flooring and substrate. This publication explains the connections and provides feedback for acquiring the top attainable solution. Novel developments are illustrated within the layout of analog-to-digital converters in keeping with successive approximation and the problems within the improvement of continuous-time delta-sigma modulators also are discussed.
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Extra info for Analog-Digital Converters for Industrial Applications Including an Introduction to Digital-Analog Converters
This might be hand-held equipment like mobile phones, which are driven from a battery or applications with a high density of electric devices, where the total power dissipation causes cooling problems. 8. 5 Jitter The AC parameters expect data to be captured in equidistant time steps. Unfortunately, the edge of the digital signal, which freezes the analog input voltage, shows variation, the so called aperture jitter. As the analog input signal is often captured with the clock signal, this effect is often discussed as clock jitter.
3), which adds a cost advantage . 2 Monitoring the Position with Optical Sensors (Encoders) The encoder consists a carrier of glass with up to 8192 stripes that is rotating with the load or the motor respectively. Light is shining through the carrier onto a set of photo diodes that are generating a current. If a diode is between two stripes the current is high and if a stripe is on top of a diode, less or no current is generated. 40 1 Introduction A sine and a cosine wave are generated out of the signals of the diodes with one period per strip.
Steven R. Norsworthy, Richard Schreier, Gabor C. Temes, Delta-Sigma Data Converters, Theory, Design and Simulation, Wiley-IEEE Press, New York 1996. 22. pdf, status of 3/11/2015. References 49 23. Frank Ohnhaeuser, Untersuchung von Sigma-Delta-Modulatoren h€ oherer Ordnung mit Multibit-R€ uckf€ uhrung, diploma thesis at the Friedrich-Alexander-University, Erlangen 1996. 24. de, 1998. 25. K. Cheung, A comparison of decimation filter architectures for sigma-delta A/D converters, in the proceedings of the IEEE International Sympoisum on Circuits and Systems, pp.
Analog-Digital Converters for Industrial Applications Including an Introduction to Digital-Analog Converters by Frank Ohnhäuser