Evolutionary design model of passive filter circuit for practical application
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Evolutionary design model of passive filter circuit for practical application Jingsong He1 · Jin Yin1 Received: 27 April 2019 / Revised: 10 November 2019 © Springer Science+Business Media, LLC, part of Springer Nature 2019
Abstract Evolutionary circuit design is a promising way to study new circuit design methodologies, and the passive filter is the most basic circuit module widely existing in modern electronic systems. Focused on the basic and fatal criterion related to the filter circuit design, this paper presents a novel evolutionary design model of passive filter circuit. The proposed model includes a circuit representation method for passive filter circuit design based on circuit cells and the corresponding real encoding scheme, a fast fitness calculation method avoiding expensive SPICE simulations, and a simple and effective cell-based differential evolution algorithm. Experimental results show that the proposed model can quickly obtain filter circuits for challenging specifications. Under harsh design criteria, the design performance of the proposed model is not inferior to that of some advanced professional design techniques based on traditional design ideas. Keywords Evolutionary circuit design · Analog circuit synthesis · Differential evolution · Neighborhood model
1 Introduction Evolutionary circuit design is one of the most important applications of evolutionary computing, and it is also a promising way to study the automatic design of electronic systems. The basic idea of applying evolutionary computation to circuit design is to reflect the design objective of a circuit as the fitness function of an evolutionary algorithm, to represent the structure and component parameters of the circuit, and to search for the target in the representation space through evolution, so as to obtain a circuit that meets the design expectation. Over the past decades, the efficiency of evolutionary algorithms (EAs) has attracted many researchers [1–21] to use EAs to synthesize circuits and optimize the performance of circuit systems, etc. * Jingsong He [email protected] 1
School of Microelectronics, University of Science and Technology of China, Hefei, China
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Genetic Programming and Evolvable Machines
The passive filter is one of the most commonly used modules in modern electronic systems. It is widely used in speech processing, signal separation, radio frequency or microwave circuits and other fields. The passive filter design technology has been developed for many years, there are many advanced professional design techniques based on traditional design ideas, and each technique has it own characteristics. For the passive filter design, a basic and important index to measure the design difficulty of a filter is the ratio of the width of the transition band to its central frequency. This ratio reflects the difficulty of designing a filter. The smaller the ratio of a filter to be designed, the more difficult the design of the filter will be. Therefore, the minimum ratio that a filter desig
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