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Design of Two Stage Ultra Low Power CMOS Operational Transconductance Amplifier (OTA) Using 180 nm Technology

Soumen Pal, Puspak Pain

This paper deals with well-defined design criteria for ultra low power two stage CMOS operational transconductance amplifiers (OTAs) with simple yet robust implementation in nm dimension. A simple design approach which allows electrical parameters to be univocally related to each circuit element and biasing values for low frequency applications is presented.The operational transconductance amplifier with ±1.8v power supply has been simulated using TANNER Tools ver.13 with 0.18μm CMOS technology which provide expected characteristics with convenient performance for given specification.