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Symbolic Analysis for Automated Design of Analog Integrated by Georges Gielen

By Georges Gielen

It is a brilliant honor to supply a couple of phrases of advent for Dr. Georges Gielen's and Prof. Willy Sansen's ebook "Symbolic research for computerized layout of analog built-in circuits". The symbolic research process provided during this publication represents an important breakthrough within the zone of analog circuit layout. As verified during this ebook, symbolic research opens up new probabilities for the advance of computer-aided layout (CAD) instruments which could examine an analog circuit topology and immediately measurement the elements for a given set of necessities. Symbolic research even has the aptitude to enhance the educational of younger analog circuit designers and to lead more matured designers via second-order phenomena equivalent to distortion. This publication may also function an outstanding reference for researchers within the analog circuit layout quarter and creators of CAD instruments, because it offers a complete evaluation and comparability of varied methods for analog circuit layout automation and an intensive bibliography. the area is largely analog in nature, for this reason so much digital platforms contain either analog and electronic circuitry. because the variety of transistors that may be built-in on a unmarried built-in circuit (IC) substrate progressively raises over the years, an ever expanding variety of structures might be applied with one, or a number of, very advanced ICs due to their reduce creation costs.

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If more candidate topologies are viable, then there are two possibilities [HAR_89a] : * all viable candidate topologies can be ranked, for example by means of some heuristics estimating the probable area and power consumed by each topology for the given specifications. Then the first topology in this ranked list is synthesized. If it fails to meet the specifications, the second topology is synthesized, and so on. The first topology which meets all specifications is accepted as final solution. The advantage of this approach is that with proper selection and ranking heuristics only one or in the worst case a few topologies have to be designed.

6. AnalQa: system-level synthesis Applications for telecommunications, audio, video, biomedicines, instrumentation, particle/radiation detection, sensor interfaces, automotive, etc. require the design of analog and mixed analog-digital systems. All these systems have to transform input signals into output signals according to some behavioral description. Consider for example a biomedical data-acquisition chip, which is part of a general implantable Internal Human Conditioning System (IHCS) [EYC_89].

For consumer electronics, the main driving force to develop ASICs is a reduction in the production costs, which is only possible because of the large production volumes since the initially larger design effort and cost have to be recuperated. , many functions in these ASICs are nowadays implemented with digital circuitry, which can be synthesized rapidly and reliably by means of advanced digital CAD tools. The few analog circuits, however, are still mainly being handcrafted by expert designers and thus require large design times.

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