The presented tool “Plantage+” significantly speeds up the layout process of analog circuits. Integrated in an industrial IC design environment, the tool recognizes basic building blocks in the circuit. It automatically sets up constraints and generates layouts using a deterministic algorithm.

We present an analog circuit implementation of the novel partial control method, that is able to sustain chaotic transient dynamics. The electronic circuit simulates the dynamics of the onedimensional slope-three tent map, for which the trajectories diverge to infinity for nearly all the initial conditions after behaving chaotically for a while. This is due to the existence of a nonattractive c...

Despite the significance of matched devices in analog circuit design, mismatch modeling for design application has been lacking. This paper addresses misconceptions about MOSFET mismatch for analog design. t mismatch does not follow a simplistic 1 ( area) law, especially for wide/short and narrow/long devices, which are common geometries in analog circuits. Further, t and gain factor are not ap...

There are very few reports in the past on applications of Evolutionary Strategy (ES) towards the synthesis of analogue circuits. Moreover, even fewer reports are on the synthesis of computational circuits. Last fact is mainly due to the difficulty in designing of the complex nonlinear functions that these circuits perform. In this paper, the evolving power of the ES is challenged to design four...

Recent advances in technology are leading to increases in the complexity and applications of analogue and mixedsignal integrated circuits. This trend has been accomponied by an increase in the complexity of associated test specifications. Furthermore, the use of functional & specification based test programs for the analogue circuitry is being questioned due to high implementation costs, the di...

This paper discusses the use of temperature as a test observable for analogue circuits, presenting a generic configuration for analogue circuit thermal testing. As a case study, static temperature analysis is performed over a two-stage operational amplifier in view of extracting temperature waveforms at different locations on the circuit under test, both under fault-free conditions as well as i...

Switched reluctance motors (SRM) are attracting much attention because of their special advantages. Generated heat, due to losses, can reduce the life time of SRMs. Therefore, taking into account thermal modeling helps to improve their performance and increase their life time. In this paper, a lumped thermal model of SRM based on the analogue circuit of conductive and convective thermal resista...

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The approach to computer aided hierarchical circuit design on the base of univariate algorithms was derived by the analysing the mathematical principles behind recombination. In this paper it is considered how to introduce mutation in this approach. A number of experiments applied to circuit design are discussed. Experiments indicate that mutation and elitism increase the performance of the alg...