DESIGN AND SIMULATION OF ADVANCED BUFFERED AMPLIFIER FOR LOW POWER BIOMEDICAL APPLICATIONS

In this paper, Advanced Buffered Amplifier is designed using Cascode Operational transconductance amplifier at 45 nm technology using 0.9V .The proposed structure uses carbon nanotube field effect transistors. It is observed that the proposed Buffered Amplifier has Bandwidth of 467GHz, Power Dissipation of 0.35 uW, Output Impedance of 1.6 KΩ, Input Impedance of 6.5 KΩ, Phase Margin of 187degree. Further, in the proposed structure, Bandwidth is 29.72 % higher, Power Dissipation is 42.85 % lower, Output Impedance is 11.11 % lower, Input Impedance is 8.3 % higher as compared with its CMOS counterpart. The proposed advanced buffered amplifier is electronically tunable. It can be used for Low Power Biomedical Applications due to low power, low voltage and low amplitude of signal