Version 4
SHEET 1 1680 856
WIRE 416 -240 0 -240
WIRE 512 -240 416 -240
WIRE 608 -240 512 -240
WIRE 672 -240 608 -240
WIRE 800 -240 672 -240
WIRE 416 -224 416 -240
WIRE 608 -224 608 -240
WIRE 512 -208 512 -240
WIRE 576 -160 448 -160
WIRE 416 -128 416 -144
WIRE 448 -128 448 -160
WIRE 448 -128 416 -128
WIRE 608 -112 608 -160
WIRE 736 -112 608 -112
WIRE 800 -96 800 -240
WIRE -176 -80 -192 -80
WIRE 416 -80 416 -128
WIRE 672 -48 672 -64
WIRE 736 -48 672 -48
WIRE -544 -32 -560 -32
WIRE -256 -32 -256 -80
WIRE -160 -32 -176 -32
WIRE 480 -32 352 -32
WIRE 608 -32 608 -48
WIRE -160 -16 -160 -32
WIRE 176 -16 112 -16
WIRE 672 0 672 -48
WIRE -672 48 -768 48
WIRE -560 80 -560 -32
WIRE -544 80 -560 80
WIRE 48 80 48 -16
WIRE 48 80 32 80
WIRE 96 80 48 80
WIRE -768 96 -768 48
WIRE -736 96 -768 96
WIRE -464 96 -464 -32
WIRE -464 96 -480 96
WIRE -448 96 -464 96
WIRE -352 96 -368 96
WIRE -256 96 -256 -32
WIRE -256 96 -272 96
WIRE -240 96 -256 96
WIRE 176 96 176 -16
WIRE 176 96 160 96
WIRE 240 96 176 96
WIRE 416 96 416 16
WIRE 416 96 320 96
WIRE -672 112 -672 48
WIRE -656 112 -672 112
WIRE -544 112 -576 112
WIRE -160 112 -160 64
WIRE -160 112 -176 112
WIRE -48 112 -160 112
WIRE 48 112 32 112
WIRE 96 112 48 112
WIRE 800 112 800 80
WIRE 992 112 800 112
WIRE 1024 112 992 112
WIRE -736 128 -816 128
WIRE -240 128 -272 128
WIRE 416 128 416 96
WIRE 672 128 672 64
WIRE 800 128 800 112
WIRE -448 144 -448 96
WIRE -368 144 -368 96
WIRE -368 144 -384 144
WIRE -816 160 -816 128
WIRE -272 160 -272 128
WIRE 480 176 480 -32
WIRE 480 240 480 176
WIRE 1024 240 1024 112
WIRE 672 256 672 192
WIRE 864 256 672 256
WIRE 16 272 -16 272
WIRE 48 272 48 112
WIRE 48 272 16 272
WIRE 512 272 512 -112
WIRE 576 272 512 272
WIRE -640 288 -640 80
WIRE -640 288 -704 288
WIRE -640 304 -640 288
WIRE 512 304 512 272
WIRE 672 304 672 256
WIRE 416 352 416 224
WIRE 448 352 416 352
WIRE 576 352 576 272
WIRE 736 352 576 352
WIRE 48 368 48 352
WIRE -704 384 -704 288
WIRE -656 384 -656 368
WIRE -656 384 -704 384
WIRE 416 400 416 352
WIRE 576 400 576 352
WIRE -624 432 -624 368
WIRE -624 432 -768 432
WIRE -496 432 -624 432
WIRE -16 480 -16 336
WIRE 48 480 48 448
WIRE 48 480 -16 480
WIRE 416 480 160 480
WIRE 512 480 512 400
WIRE 512 480 416 480
WIRE 576 480 512 480
WIRE 672 480 672 400
WIRE 672 480 576 480
WIRE 800 480 800 304
WIRE 800 480 672 480
WIRE 48 656 48 480
WIRE 48 656 32 656
WIRE 992 656 992 112
WIRE 992 656 48 656
FLAG 480 240 0
FLAG 608 48 0
FLAG 1024 304 0
FLAG -48 80 0
FLAG 0 -160 0
FLAG -816 240 0
FLAG 160 560 0
FLAG -1312 -16 VCC
FLAG -208 80 VCC
FLAG -512 64 VCC
FLAG -336 432 0
FLAG -1312 128 -VCC
FLAG -512 128 -VCC
FLAG -208 144 -VCC
FLAG -848 432 0
FLAG -272 160 0
FLAG -704 144 -VCC
FLAG -704 80 VCC
FLAG -576 192 0
FLAG -608 336 -VCC
FLAG -672 336 VCC
FLAG 128 128 -VCC
FLAG 128 64 VCC
FLAG -1312 64 0
FLAG -1312 208 0
SYMBOL res 48 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 -16 22 VTop 2
SYMATTR InstName R3
SYMATTR Value 27k
SYMBOL res 48 96 R90
WINDOW 0 77 29 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 336 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 432 -128 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 432 496 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 688 -144 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 300
SYMBOL res 624 64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 68k
SYMBOL res 560 384 R0
SYMATTR InstName R10
SYMATTR Value 120k
SYMBOL res 32 256 R0
SYMATTR InstName R11
SYMATTR Value 90k
SYMBOL res 784 -16 R0
SYMATTR InstName R12
SYMATTR Value 100
SYMBOL res 784 112 R0
SYMATTR InstName R13
SYMATTR Value 100
SYMBOL npn 352 -80 R0
WINDOW 3 56 68 Invisible 2
SYMATTR Value NPNGerald
SYMATTR InstName Q1
SYMBOL npn 736 -96 R0
WINDOW 3 56 68 Invisible 2
SYMATTR Value NPNGerald
SYMATTR InstName Q2
SYMBOL npn 448 304 R0
WINDOW 3 56 68 Invisible 2
SYMATTR Value NPNGerald
SYMATTR InstName Q3
SYMBOL pnp 480 224 R180
WINDOW 3 84 68 Invisible 2
SYMATTR Value PNPGerald
SYMATTR InstName Q4
SYMBOL pnp 576 -112 R180
WINDOW 3 84 68 Invisible 2
SYMATTR Value PNPGerald
SYMATTR InstName Q5
SYMBOL pnp 736 -64 R180
WINDOW 3 84 68 Invisible 2
SYMATTR Value PNPGerald
SYMATTR InstName Q6
SYMBOL pnp 736 400 R180
WINDOW 3 84 68 Invisible 2
SYMATTR Value PNPGerald
SYMATTR InstName Q7
SYMBOL pnp 864 304 R180
WINDOW 3 84 68 Invisible 2
SYMATTR Value PNPGerald
SYMATTR InstName Q8
SYMBOL diode 656 0 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 656 128 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode 592 -112 R0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 592 -224 R0
WINDOW 3 24 64 Invisible 2
SYMATTR Value 1N4148
SYMATTR InstName D4
SYMBOL cap 0 336 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 20p
SYMBOL cap 1008 240 R0
SYMATTR InstName C3
SYMATTR Value 60n
SYMBOL voltage -816 144 R0
WINDOW 3 24 96 Invisible 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 3.3 0 500u 500u 0 0)
SYMATTR InstName V1
SYMBOL voltage 0 -256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 163
SYMBOL voltage 160 464 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -163
SYMBOL Opamps\\UniversalOpamp2 128 96 R0
SYMATTR InstName U2
SYMBOL cap 112 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL Opamps\\UniversalOpamp2 -512 96 R0
SYMATTR InstName U1
SYMBOL Opamps\\UniversalOpamp2 -208 112 R0
SYMATTR InstName U3
SYMBOL res 32 352 R0
SYMATTR InstName R16
SYMATTR Value 10k
SYMBOL res -160 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 36k
SYMBOL res -256 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 5k
SYMBOL res -352 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 45k
SYMBOL res -176 -32 R0
SYMATTR InstName R20
SYMATTR Value 4k
SYMBOL res -400 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 10k
SYMBOL voltage -432 432 R270
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 3.3
SYMBOL Opamps\\UniversalOpamp2 -704 112 R0
SYMATTR InstName U5
SYMBOL res -752 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 10k
SYMBOL res -592 96 R0
SYMATTR InstName R22
SYMATTR Value 10k
SYMBOL res -544 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 10k
SYMBOL res -560 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R25
SYMATTR Value 10k
SYMBOL res -448 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R26
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 -640 336 R270
SYMATTR InstName U4
SYMBOL Misc\\jumper -416 208 R180
SYMATTR InstName X1
SYMBOL Misc\\jumper -224 -144 R0
SYMATTR InstName X2
SYMBOL Misc\\jumper -48 304 R270
SYMATTR InstName X3
SYMBOL voltage -1312 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 15
SYMBOL voltage -1312 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V6
SYMATTR Value -15
TEXT -80 664 Left 2 !.tran 0 10m 1m
TEXT -792 480 Left 2 ;Spannungsteiler mit Folger
TEXT -792 248 Left 2 ;DAC
TEXT -824 16 Left 2 ;Spannungsfolger
TEXT -592 -88 Left 2 ;Symmetrisierung
TEXT -296 -144 Left 2 ;Vorverstaerkung
TEXT -456 216 Left 2 ;Jumper
TEXT -48 368 Left 2 ;Jumper
TEXT -336 -96 Left 2 ;Jumper