.subckt SII2161_ideal iin vc iout
*V1 iin 0 0
R1 iin 0 1p
R2 vc 0 10k

* Create output current based on the input current and the control voltage
B1 iout 0 I=limit(-I(R1), -1m, 1m)*2**(-5.0505*V(vc))

* Limit output voltage with a specialized diode
D1 iout 0 clamp_diode
.model clamp_diode D(Ron=10 Roff=1Meg Vfwd=.1 Vrev=.1)
.ends