[FIDOCAD]
FJC B 0.5
MC 70 180 3 0 ey_libraries.didznr0
MC 70 160 1 0 ey_libraries.pasres0
LI 105 160 105 185 0
FCJ 2 0 3 2 0 0
TY 110 160 4 3 0 0 0 * Iz1 = (12 -10)/(375 + 100) =  4.2 mA
LI 105 155 105 160 0
MC 35 155 0 0 ey_libraries.pasres0
MC 20 165 0 0 470
LI 20 165 20 155 0
LI 20 155 30 155 0
LI 20 190 20 185 0
TY 25 145 4 3 0 0 0 * Rth = 375
TY 15 165 4 3 0 0 0 * +
LI 20 190 45 190 0
TY 30 165 4 3 0 0 0 * Vth1 = 12 V
TY 30 175 4 3 0 0 0 * Vth2 = 9 V
LI 45 155 70 155 0
LI 70 185 70 190 0
LI 70 190 40 190 0
TY 75 160 4 3 0 0 0 * Rz = 100
TY 75 175 4 3 0 0 0 * Vz = 10
TY 110 170 4 3 0 0 0 * Iz2 = 0 mA
TY 65 145 4 3 0 0 0 * Vout2 = 9 V
TY 65 140 4 3 0 0 0 * Vout1 = 12 - (375 * 0.0042) = 10,43 V