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To achieve high gain, low power consumption and low noise, An operational transconductance amplifier(OTA) connecting folded-cascode stage and class-AB stage with translinear loops is presented in this paper. Using 180nm CMOS library in terms of the parameters, the introduced OTA exhibits a transconductance gain of 112dB, the gain bandwidth of 4.9MHz, and the input referred noise of 5.1μ Vrms in the 1-100Hz range. The entire transconductance amplifier circuit consumes 28μW of power from a 1.8V supply when the bias source provides a current of 0.25μA and the input bias voltage is 900mV. © 2023 IEEE.
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Year： 2023
Page： 1194-1200
Language： English
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SCOPUS Cited Count： 1
ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 5
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