Comparative Performance Study of Difference Differential Amplifier Using 7 nm and 14 nm FinFET Technologies and Carbon Nanotube FET

Table 7

Comparison of common mode gain AC analysis of DDA.

Parameters/devices	7 nm FinFET	14 nm FinFET	16 nm CNTFET
Gain	-28.66	-37.8	-28.65
Gain 3 dB	-31.66	-40.8	-31.65
3 dB frequency	5.44 MHz	21 MHz	55.14 MHz
Phase margin at -3 dB	-56.22	-119	-136
Common input voltage	10 mV	10 mV	10 mV
Output voltage	368.78 μV	1.6 mV	369.79 μV
Common input voltage at 3 dB	10 mV	10 mV	10 mV
Output voltage at 3 dB	259.43 μV	0.8 mV	255 μV