Research Article
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 |
|
|