Design of Analog Signal Processing Applications Using Carbon Nanotube Field Effect Transistor-Based Low-Power Folded Cascode Operational Amplifier

Table 2

Comparative results at different values of pitch.

Performance parameter	Design specification	Simulation results
		Pitch 8 nm	Pitch 12 nm	Pitch 20 nm
Open loop gain (dB)	60	75.2	66.2	60.4
Phase margin (°)	45°	86.6°	86.9°	87.2
Unity gain bandwidth (MHz)	255	530	523	510
Power dissipation (mW)	<0.3	0.323	0.321	0.319
Slew rate (V/µsec)	20	25.05	24.77	24.87
Output swing (V)	1	0.969	0.969	0.969
CMRR (dB)	≥60	106.1	62.63	57.21
PSRR (dB)	≥60	165.2	155.6	149.6
Settling time (ns)	—	5.41	5.33	5.25
Input referred noise voltage (nV/√Hz)	—	0.657	0.659	0.666