Version 4
SHEET 1 3344 1420
WIRE 1920 496 1728 496
WIRE 2336 496 1920 496
WIRE 1728 512 1728 496
WIRE 1920 544 1920 496
WIRE 2336 544 2336 496
WIRE 1728 608 1728 592
WIRE 1920 672 1920 624
WIRE 2336 672 2336 624
WIRE 1920 688 1920 672
WIRE 2336 688 2336 672
WIRE 1760 736 1712 736
WIRE 1856 736 1840 736
WIRE 2416 736 2400 736
WIRE 2528 736 2496 736
WIRE 1712 752 1712 736
WIRE 2528 752 2528 736
WIRE 1920 832 1920 784
WIRE 2144 832 1920 832
WIRE 2224 832 2144 832
WIRE 2336 832 2336 784
WIRE 2336 832 2224 832
WIRE 1712 848 1712 832
WIRE 2528 848 2528 832
WIRE 1968 896 1968 880
WIRE 2144 944 2144 832
WIRE 2224 944 2224 832
WIRE 1968 992 1968 976
WIRE 2080 992 1968 992
WIRE 1968 1040 1968 992
WIRE 1872 1056 1872 1040
WIRE 2144 1056 2144 1040
WIRE 1872 1152 1872 1136
WIRE 1968 1152 1968 1120
WIRE 1968 1152 1872 1152
WIRE 2144 1152 2144 1136
WIRE 2144 1152 1968 1152
WIRE 2224 1152 2224 1024
WIRE 2224 1152 2144 1152
FLAG 1872 1040 0
FLAG 1728 608 0
FLAG 1728 496 1
FLAG 2144 1152 2
FLAG 1712 848 0
FLAG 2624 624 0
FLAG 2624 544 Gain
FLAG 1920 672 7
FLAG 2336 672 8
FLAG 1712 736 3
FLAG 2144 832 5
FLAG 2528 848 0
FLAG 2528 736 4
FLAG 1968 880 0
SYMBOL npn 1856 688 R0
WINDOW 0 39 32 Invisible 2
WINDOW 3 39 57 Invisible 2
SYMATTR InstName Q2
SYMATTR Value BC847B
SYMBOL voltage 1872 1040 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value {VS}
SYMBOL res 1904 528 R0
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL res 2320 528 R0
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL voltage 1728 496 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value {VS}
SYMBOL bv 2624 528 R0
SYMATTR InstName B1
SYMATTR Value V=V(8,7) / V(3,4)
SYMBOL res 1744 752 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 1
SYMBOL res 2400 752 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL bv 2528 736 R0
SYMATTR InstName B2
SYMATTR Value V=-V(3)
SYMBOL res 2128 1040 R0
SYMATTR InstName R5
SYMATTR Value 5k7
SYMBOL res 1952 1024 R0
SYMATTR InstName R6
SYMATTR Value 11k1
SYMBOL res 1952 880 R0
SYMATTR InstName R7
SYMATTR Value 220k
SYMBOL current 2224 944 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 0
SYMBOL voltage 1712 736 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1m
SYMBOL npn 2400 688 M0
WINDOW 0 39 32 Invisible 2
WINDOW 3 39 57 Invisible 2
SYMATTR InstName Q1
SYMATTR Value BC847B
SYMBOL npn 2080 944 R0
WINDOW 0 39 32 Invisible 2
WINDOW 3 39 57 Invisible 2
SYMATTR InstName Q3
SYMATTR Value BC847B
TEXT 1464 1040 Left 2 !.tran 0 {5/f} {3/f} {1/f/1k}
TEXT 1464 1096 Left 2 !.param A=1m f=1k VS=24
TEXT 1480 624 Left 2 !.options plotwinsize=0\n.options reltol=100u\n.options cshunt=1f\n.options numdgt=9
TEXT 1464 976 Left 2 !.temp 25 50
TEXT 1744 976 Left 2 ;100 uA proportional zur\nTemperatur
TEXT 2624 688 Left 2 ;V(Gain) = I(Out) / V(In) = gm = Ic / (k * Temp / e) \n \nist umgekehrt proportional zur Temperatur,\n=> für konstante Verstärkung muss Ic proportional zur Temperatur sein.
TEXT 2024 1056 Left 2 ;ca. 0.57 Volt
TEXT 2288 976 Left 2 ;Kontanter Strom liefert eine temperaturabhängige\nVerstärkungänderung von ca. 10% pro 25 Grad
TEXT 1488 464 Left 2 ;Temperaturkompensation Differenzverstärker
TEXT 2120 920 Left 2 ;Ic