Abstract
Differential amplifiers are essential part of several analog systems. This paper proposes a design of Single Stage Differential Amplifier based on the 32 nm FinFET technologies. We have designed a differential amplifier for certain specifications such as Slew Rate, Gain, CMRR, Unity Gain Bandwidth and Frequency Response and its comparison with 32 nm differential amplifiers using conventional MOSFET, FinFET and CNFET is made. The proposed typical Single Stage Differential Amplifier is given a supply voltage of 1.0V and it generates an open loop Gain of 19.39 dB, Slew Rate of 8.74E+6 V/μsec, Unity Gain Bandwidth of 256 MHz. All Simulations are done on Hspice simulation software. The simulations focus that, at the existing stage, the FinFET circuit performs best than the MOSFET and CNFET in terms of Gain, CMRR and Slew Rate.
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