Version 4
SHEET 1 1956 1032
WIRE 640 -880 192 -880
WIRE 1344 -880 704 -880
WIRE 192 -784 192 -880
WIRE 528 -784 192 -784
WIRE 1344 -784 1344 -880
WIRE 1344 -784 592 -784
WIRE 192 -672 192 -784
WIRE 624 -672 192 -672
WIRE 816 -672 720 -672
WIRE 1344 -672 1344 -784
WIRE 1344 -672 896 -672
WIRE 192 -528 192 -672
WIRE 528 -528 192 -528
WIRE 816 -528 624 -528
WIRE 1344 -528 1344 -672
WIRE 1344 -528 896 -528
WIRE 192 -368 192 -528
WIRE 480 -368 192 -368
WIRE 576 -368 576 -464
WIRE 672 -368 672 -608
WIRE 672 -368 576 -368
WIRE 672 -336 672 -368
WIRE 1232 -320 1088 -320
WIRE 1344 -320 1344 -528
WIRE 1344 -320 1312 -320
WIRE -32 -208 -352 -208
WIRE 192 -208 192 -368
WIRE 192 -208 -32 -208
WIRE 432 -208 192 -208
WIRE 528 -208 528 -304
WIRE 672 -192 672 -256
WIRE 1344 -96 1344 -320
WIRE 480 -80 480 -144
WIRE 640 -80 480 -80
WIRE 720 -80 640 -80
WIRE 480 -48 480 -80
WIRE -352 0 -352 -208
WIRE 192 0 192 -208
WIRE 320 0 320 -32
WIRE 480 48 480 32
WIRE 560 48 480 48
WIRE 832 48 800 48
WIRE 1056 48 896 48
WIRE -352 64 -352 0
WIRE 560 64 560 48
WIRE 640 64 640 -80
WIRE 720 64 720 -80
WIRE 16 112 -208 112
WIRE 128 112 80 112
WIRE 320 112 320 64
WIRE 480 144 480 48
WIRE 928 144 928 112
WIRE -32 160 -32 -208
WIRE 1056 160 1056 48
WIRE 1056 160 960 160
WIRE 1344 160 1344 -16
WIRE 1344 160 1056 160
WIRE -208 176 -208 112
WIRE -64 176 -208 176
WIRE 448 176 416 176
WIRE 800 176 800 48
WIRE 896 176 800 176
WIRE 128 192 128 112
WIRE 128 192 0 192
WIRE 416 192 416 176
WIRE 1008 192 960 192
WIRE 1088 192 1088 -320
WIRE 1088 192 1008 192
WIRE -64 208 -112 208
WIRE 1344 208 1344 160
WIRE 1408 208 1344 208
WIRE 1616 208 1408 208
WIRE 640 224 640 128
WIRE 928 240 928 208
WIRE 496 256 496 208
WIRE 560 256 560 128
WIRE 560 256 496 256
WIRE -112 288 -112 208
WIRE 0 288 -112 288
WIRE 128 288 128 192
WIRE 128 288 80 288
WIRE 1616 304 1616 208
WIRE 496 320 496 256
WIRE 1040 320 496 320
WIRE 1200 320 1120 320
WIRE 1264 320 1200 320
WIRE 1344 320 1344 208
WIRE 1344 320 1264 320
WIRE 128 352 128 288
WIRE 128 352 64 352
WIRE 128 368 128 352
WIRE 1200 368 1200 320
WIRE 1264 368 1264 320
WIRE 1344 368 1344 320
WIRE -208 384 -208 176
WIRE -112 384 -112 288
WIRE 496 400 496 320
WIRE 64 416 64 352
WIRE 64 464 64 416
WIRE 128 464 128 448
WIRE 128 464 64 464
WIRE 128 480 128 464
WIRE 1200 496 1200 432
WIRE 1264 496 1264 432
WIRE 1264 496 1200 496
WIRE 1344 496 1344 448
WIRE 1344 496 1264 496
WIRE 1408 496 1344 496
WIRE 1616 496 1616 384
WIRE 1616 496 1408 496
WIRE 1008 512 1008 192
WIRE -352 528 -352 144
WIRE -208 528 -208 464
WIRE -112 528 -112 464
WIRE -32 528 -32 224
WIRE 1344 544 1344 496
WIRE 16 576 0 576
WIRE 128 576 128 560
WIRE 128 576 96 576
WIRE 0 624 0 576
WIRE 352 624 0 624
WIRE 464 624 464 208
WIRE 464 624 432 624
WIRE 496 624 496 480
WIRE 0 656 0 624
WIRE 0 704 0 656
WIRE 16 704 0 704
WIRE 128 704 96 704
WIRE 128 736 128 704
WIRE 1008 784 1008 592
WIRE -48 800 -48 752
WIRE 352 816 -16 816
WIRE 720 816 720 128
WIRE 720 816 432 816
WIRE 800 816 800 176
WIRE 800 816 720 816
WIRE -416 832 -448 832
WIRE -320 832 -352 832
WIRE -80 832 -240 832
WIRE 192 848 192 80
WIRE 192 848 -16 848
WIRE 352 848 192 848
WIRE 192 880 192 848
WIRE 352 880 352 848
WIRE -448 912 -448 832
WIRE -48 912 -48 864
WIRE 192 992 192 944
WIRE 352 992 352 960
FLAG -112 528 0
FLAG -32 528 0
FLAG -208 528 0
FLAG -352 528 0
FLAG 128 736 0
FLAG 496 624 0
FLAG -352 0 12V
FLAG 512 176 12V
FLAG -48 752 12V
FLAG 928 112 12V
FLAG -48 912 0
FLAG -448 912 0
FLAG 192 992 0
FLAG 640 224 0
FLAG 928 240 0
FLAG 352 992 0
FLAG 416 192 0
FLAG 1408 208 VOut+
FLAG 1456 -48 RMess
FLAG 1344 544 0
FLAG 1408 496 VOut-
FLAG 320 112 0
FLAG 320 -32 12V
FLAG 672 -192 0
FLAG 1184 -272 Pot_I
FLAG 0 656 Pot_U
FLAG 64 416 Trim_U
FLAG 1008 784 0
DATAFLAG 112 576 ""
DATAFLAG 1520 208 ""
DATAFLAG -224 -208 ""
DATAFLAG -160 832 ""
DATAFLAG 64 848 ""
DATAFLAG 64 816 ""
DATAFLAG 464 320 ""
DATAFLAG 496 304 ""
DATAFLAG -144 176 ""
DATAFLAG -112 320 ""
DATAFLAG 1184 -528 ""
DATAFLAG 576 816 ""
DATAFLAG 592 -80 ""
DATAFLAG 800 464 ""
DATAFLAG 1104 -320 ""
DATAFLAG 1200 160 ""
SYMBOL Opamps\\LT1013A -32 128 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1013A 544 176 M270
SYMATTR InstName U2
SYMBOL Opamps\\LT1013A -48 768 M0
SYMATTR InstName U3
SYMBOL Opamps\\LT1013A 928 112 M0
SYMATTR InstName U4
SYMBOL res -128 368 R0
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL res -224 368 R0
SYMATTR InstName R2
SYMATTR Value 2.2k
SYMBOL res 176 -16 R0
SYMATTR InstName R3
SYMATTR Value 22k
SYMBOL diode 16 128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL diode 704 64 R0
SYMATTR InstName D2
SYMBOL diode 592 -800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMBOL diode 704 -896 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMBOL res 96 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL voltage -352 48 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 448 608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 480 384 R0
SYMATTR InstName R6
SYMATTR Value 4.7k
SYMBOL res 464 -64 R0
SYMATTR InstName R7
SYMATTR Value 3.9k
SYMBOL LED -352 816 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D5
SYMBOL res -224 816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 4.7k
SYMBOL cap 176 880 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL res 448 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 18k
SYMBOL res 368 976 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 47k
SYMBOL cap 544 64 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap 624 64 R0
SYMATTR InstName C3
SYMATTR Value 15n
SYMBOL res 1136 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 150k
SYMBOL cap 896 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 34 23 VTop 2
SYMATTR InstName C4
SYMATTR Value 4.7n
SYMBOL res 1328 -112 R0
SYMATTR InstName R15
SYMATTR Value .2
SYMBOL cap 1248 368 R0
SYMATTR InstName C5
SYMATTR Value .1µ
SYMBOL res 1328 352 R0
SYMATTR InstName R17
SYMATTR Value 4.7k
SYMBOL diode 1216 432 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMBOL cap 304 0 R0
SYMATTR InstName C6
SYMATTR Value 4.7µ
SYMBOL npn 432 -144 R270
SYMATTR InstName Q1
SYMATTR Value 2N3019
SYMBOL npn 480 -304 R270
SYMATTR InstName Q2
SYMATTR Value 2SCR542P
SYMBOL npn 528 -464 R270
SYMATTR InstName Q3
SYMATTR Value 2N3055
SYMBOL npn 624 -608 R270
SYMATTR InstName Q4
SYMATTR Value 2N3055
SYMBOL res 912 -688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 0.1
SYMBOL res 912 -544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 0.1
SYMBOL res 656 -352 R0
SYMATTR InstName R19
SYMATTR Value 4.7k
SYMBOL res 1600 288 R0
SYMATTR InstName R20
SYMATTR Value .5
SYMBOL res 112 352 R0
SYMATTR InstName R25
SYMATTR Value 2.5k
SYMBOL res 112 464 R0
SYMATTR InstName R26
SYMATTR Value 2.5k
SYMBOL res 112 560 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 0.00001
SYMBOL res 112 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 10k
SYMBOL res 1328 -336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 4.1k
SYMBOL res 992 496 R0
SYMATTR InstName R13
SYMATTR Value 10k
TEXT -396 1016 Left 2 !.op 0