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A worst-case circuit analysis should be performed on all circuitry that is safety and financially critical. Worst-case circuit analysis is an analysis technique which, by accounting for component variability, determines the circuit performance under a worst-case scenario (under extreme environmental or operating conditions).
AEi Systems is a space and power electronics engineering firm based in the United States that concentrates on circuit, systems and design analysis.. AEi Systems specialises in Worst case circuit analysis (WCCA) of critical space-bound circuitry, boards and components, including power supplies and power systems. [1]
The major drawback is that the worst-case model often requires very tight individual component tolerances. The obvious result is expensive manufacturing and inspection processes and/or high scrap rates. Worst-case tolerancing is often required by the customer for critical mechanical interfaces and spare part replacement interfaces.
CircuitLogix is a software electronic circuit simulator which uses PSpice to simulate thousands of electronic devices, models, and circuits.CircuitLogix supports analog, digital, and mixed-signal circuits, and its SPICE simulation gives accurate real-world results.
The improvement of the worst-case delay is achieved by using several carry-skip adders to form a block-carry-skip adder. Unlike other fast adders, carry-skip adder performance is increased with only some of the combinations of input bits. This means, speed improvement is only probabilistic.
Static timing analysis: analysis of the timing of a circuit in an input-independent manner, hence finding a worst case over all possible inputs. Layout extraction: starting with a proposed layout, compute the (approximate) electrical characteristics of every wire and device. Often used in conjunction with static timing analysis above to ...
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Worst-case performance analysis and average-case performance analysis have some similarities, but in practice usually require different tools and approaches. Determining what typical input means is difficult, and often that average input has properties which make it difficult to characterise mathematically (consider, for instance, algorithms ...