* source OP-AMP LINEAR REGULATOR - DC SWEEP
X_D5         0 N04992 LM385 
X_Q1         VIN N05008 VOUT TIP102
R_R1         VOUT N05000 8.87k 
R_Load         VOUT 0 4 
R_R2         N05000 0 1.02k 
V_Vx         VIN 0  DC 18
R_RZ         VIN N04992 470k 
X_U2A         N04992 N05000 VIN 0 N05008 LM324
.PARAM  R_val=4