Version 4
SHEET 1 904 680
WIRE 128 80 32 80
WIRE 272 80 208 80
WIRE 432 80 416 80
WIRE 576 80 512 80
WIRE 32 112 32 80
WIRE 272 112 272 80
WIRE 576 128 576 80
WIRE 32 224 32 192
WIRE 272 224 272 192
WIRE 272 224 32 224
WIRE 576 224 576 192
WIRE 32 240 32 224
FLAG 32 240 0
FLAG 272 80 ntc
FLAG 32 80 in
FLAG 576 224 0
FLAG 416 80 in
FLAG 576 80 vd
SYMBOL Misc\\EuropeanResistor 112 96 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 256 96 R0
SYMATTR InstName RNTC
SYMATTR Value {RNTC}
SYMBOL voltage 32 96 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL diode 560 128 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 416 96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 5k
TEXT 0 -248 Left 2 !.step temp 20 30 5\n.param RNTC=table(temp,20,6014, 25,4700,30,3697)
TEXT 0 -40 Left 2 !.op
TEXT 0 -152 Left 2 ;.step param temp1 20 30 5\n.param RNTC=table(temp1,20,6014, 25,4700,30,3697)