Version 4
SHEET 1 880 680
WIRE 192 112 48 112
WIRE 192 144 192 112
WIRE 48 160 48 112
WIRE 192 240 192 224
FLAG 192 240 0
FLAG 48 240 0
FLAG 192 112 out
SYMBOL res 176 128 R0
SYMATTR InstName R1
SYMATTR Value {10k*exp(3900*((1/(temp+273.15))-(1/298.15)))}
SYMBOL voltage 48 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1V
TEXT 488 120 Left 0 !.step temp -20 120 1
TEXT 488 152 Left 0 !.op
TEXT 232 240 Left 0 ;thermistor NTH4G39A 103E02