By Wang Ping, José E. Franca
Multirate Switched-Capacitor Circuits for 2-D sign Processing introduces the strategies of analog multirate sign processing for the effective implementation of two-dimensional (2-D) filtering in built-in circuit shape, fairly from the viewpoints of silicon sector and gear dissipation. New 2-D switched-capacitor (SC) networks and layout strategies are awarded, either with finite impulse reaction (FIR) and countless impulse reaction (IIR) with separable denominator polynomial, which supply easier and extra systematic synthesis approaches than presently on hand layout thoughts for 2-D analog filters. on the grounds that they're within the discrete-time area, the booklet could be additionally said the electronic multirate sign processing.
A 2-D SC picture processor that realizes either (2 x 2)nd-order Butterworth lowpass and highpass filtering features for video photo indications was once discovered as a prototype built-in circuit carried out in 1.0-mum CMOS expertise. The experimental characterization of this prototype chip tested the feasibility of real-time analog multirate 2-D snapshot processing with similar 8-bits accuracy, utilizing basically 2.5 x 3.0 mm2 of silicon quarter and dissipating as low as eighty five mW at 5V provide and 18 MHz sampling expense. this means that for average accuracy and occasional to average complexity of the filtering functionality, an absolutely multirate analog implementation has a possible to in achieving a extra aggressive implementation than an alternate electronic VLSI implementation. even if, for top accuracy and/or better processing complexity, not just the relative overhead price of the front-end and back-end converters will lower but in addition the implementation of the processing middle in electronic VLSI will profit extra of know-how scaling to accomplish better density of integration.
Multirate Switched-Capacitor Circuits for 2-D sign Processing is vital examining for training analog layout engineers and researchers within the box. it's also appropriate as a textual content for an complex path at the topic.
Read or Download Multirate Switched-Capacitor Circuits for 2-D Signal Processing (The Springer International Series in Engineering and Computer Science) PDF
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