Automatic Circuit Design of CMOS Miller OTA Using Cuckoo Search Algorithm

Pankaj P. Prajapati and Mihir V. Shah
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Pankaj P. Prajapati: Gujarat Technological University, L. D. College of Engineering, Ahmedabad, India
Mihir V. Shah: Gujarat Technological University, L. D. College of Engineering, Ahmedabad, India

International Journal of Applied Metaheuristic Computing (IJAMC), 2020, vol. 11, issue 1, 36-44

Abstract: The circuit design of the CMOS based analog part of a mixed-signal integrated circuit (IC) needs a large fraction of the overall design cycle time. The automatic design of an analog circuit is inevitable, seeing recently development of System-on-Chip (SOC) design. This brings about the need to develop computer aided design (CAD) tools for automatic design of CMOS based analog circuits. In this article, a Cuckoo Search (CS) algorithm is presented for automatic design of a CMOS Miller Operational Transconductance Amplifier (OTA). The source code of the CS algorithm is developed using the C language. The Ngspice circuit simulator has been used as a fitness function creator and evaluator. A script file is written to provide an interface between the CS algorithm and the Ngspice simulator. BSIM3v3 MOSFET models with 0.18 µm and 0.35 µm CMOS technology have been used to simulate this circuit. The simulation results of this work are presented and compared with previous works reported in the literature. The experimental simulation results obtained by the CS algorithm satisfy all desired specifications for this circuit.

Date: 2020
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