Dear all
I am asking how can I simulate gm/id vs Vgs for different frequencies like 100Hz, and 2.4GHz as shown in the fig. attached[1]. Any help please

Ref.
[1] A. V. Do and A. Cabuk, A Subthreshold low-noise amplifier optimized
for ultra-low-power applications in the ISM band, IEEE Trans Microwave
Theory Techn 56 (2008), 286–292.