* Aht3 LTSpice model
.subckt Aht3  P G K
    Bp  P K  I=(0.06973805289m)*uramp(V(P,K)*ln(1.0+(-0.0209368907)+exp((2.60229804)+(2.60229804)*((367.9458862)+(-31262.89438m)*V(G,K))*V(G,K)/sqrt((88.25122311)**2+(V(P,K)-(-35.19623638))**2)))/(2.60229804))**(1.205822974)
Cgp G P 1.45pF
Cgk G K 11.2pF
Cpk P K 0.019pF
.ends Aht3