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.
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