* Jfet dc bias analysis .include tut_spice3_jfet_bias.subckt Vdd Vdd 0 DC 20 V1 V1 0 DC 0 AC .1 Cin V1 Vin 1pf Rload Vout 0 1Meg Xamp1 Vin Vdd 0 Vout amp2n3819 * .END