Version 4
SHEET 1 1556 736
WIRE -640 -256 -704 -256
WIRE -608 -256 -640 -256
WIRE -480 -256 -528 -256
WIRE -432 -256 -480 -256
WIRE -192 -256 -288 -256
WIRE -704 -224 -704 -256
WIRE -432 -224 -432 -256
WIRE -288 -224 -288 -256
WIRE -704 -128 -704 -144
WIRE -432 -128 -432 -160
WIRE -288 -128 -288 -144
WIRE 304 -64 224 -64
WIRE 416 -64 384 -64
WIRE 496 -64 480 -64
WIRE 320 48 320 32
WIRE 96 96 32 96
WIRE 224 96 224 -64
WIRE 224 96 176 96
WIRE 240 96 224 96
WIRE 496 144 496 -64
WIRE 496 144 464 144
WIRE 608 144 496 144
WIRE 848 144 688 144
WIRE 240 192 -16 192
WIRE -304 224 -304 208
WIRE -160 224 -160 208
WIRE -16 224 -16 192
WIRE 384 224 384 208
WIRE -304 320 -304 304
WIRE -160 320 -160 304
WIRE -16 320 -16 304
WIRE 320 320 320 240
WIRE 384 320 384 304
WIRE 384 320 320 320
WIRE 320 336 320 320
FLAG -16 320 0
FLAG -160 320 0
FLAG -432 -128 0
FLAG -704 -128 0
FLAG -640 -256 P
FLAG 320 32 V+
FLAG -160 208 V+
FLAG -288 -128 0
FLAG -480 -256 PT
FLAG -192 -256 TS
FLAG 32 96 TS
FLAG -304 320 0
FLAG -304 208 V-
FLAG 320 336 0
FLAG 848 144 0
SYMBOL res 192 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 22k
SYMBOL res 288 -48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL voltage -16 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 22 97 Left 2
SYMATTR Value PULSE(1.4 1 0 1m 1m 5 10)
SYMATTR InstName V8
SYMBOL voltage -160 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -448 -224 R0
SYMATTR InstName C2
SYMATTR Value 1m
SYMBOL res -624 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 368 208 R0
SYMATTR InstName R9
SYMATTR Value 33k
SYMBOL bv -288 -240 R0
SYMATTR InstName B2
SYMATTR Value V=V(PT)*2
SYMBOL bv -704 -240 R0
SYMATTR InstName B3
SYMATTR Value V=2*I(Rp)*abs(I(Rp))
SYMBOL voltage -304 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -8
SYMBOL OPA548 336 144 R0
SYMATTR InstName U1
SYMBOL cap 416 -48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res 592 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rp
SYMATTR Value 2
TEXT -320 -40 Left 2 !.tran 30 startup
TEXT -640 -344 Left 2 ;Kühleistung in Watt
TEXT -328 -296 Left 2 ;Temperatur