FDNR Equivalent Inductor

The circuit on the right simulates an inductor of 10 H in series with a 15 K resistor. The Inductor value is equal to: Leq= (R1*R3*R5*C4)/(R2) Where: R1=R5=1K R2=R3=10K C4=100nF Yielding an Inductor of Leq=10H