Abstract

Abstract The design of a novel current mirror operational transconductance amplifier is proposed to address the issues of low gain and limited swing rate under conditions of low voltage and power consumption. In order to improve the gain and swing rate of the amplifier, the increase and lift technology and swing rate increase technology are introduced to the traditional op-amp Simulation and verification based on 0.18 μm BCD process and candence. The results show that under 10 pF load capacitance, the gain is increased by 42 dB and the swing rate is increased by 130 times compared with the conventional transconductance op amp.

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