Figure 3. Real and imaginary part of active inductor input impedance

From

1 GHz CMOS Band-pass Filter Design Using an Active Inductor and Capacitor

Siavash Heydarzadeh, Pooya Torkzadeh

American Journal of Electrical and Electronic Engineering. 2013, 1(3), 37-41 doi:10.12691/ajeee-1-3-1