Version 4
SHEET 1 2160 1460
WIRE 32 -352 16 -352
WIRE 128 -352 112 -352
WIRE 384 -352 368 -352
WIRE 608 -352 464 -352
WIRE 16 -256 16 -352
WIRE 32 -256 16 -256
WIRE 128 -256 128 -352
WIRE 128 -256 96 -256
WIRE 368 -256 368 -352
WIRE 384 -256 368 -256
WIRE 480 -256 448 -256
WIRE 848 -208 848 -224
WIRE 16 -160 16 -256
WIRE 16 -160 -96 -160
WIRE 32 -160 16 -160
WIRE 128 -144 128 -256
WIRE 128 -144 96 -144
WIRE 192 -144 128 -144
WIRE 368 -144 368 -256
WIRE 368 -144 272 -144
WIRE 384 -144 368 -144
WIRE -544 -128 -576 -128
WIRE -528 -128 -544 -128
WIRE -400 -128 -448 -128
WIRE -192 -128 -400 -128
WIRE 32 -128 -192 -128
WIRE 480 -128 480 -256
WIRE 480 -128 448 -128
WIRE 512 -128 480 -128
WIRE 608 -128 608 -352
WIRE 608 -128 592 -128
WIRE 848 -128 848 -144
WIRE 848 -128 608 -128
WIRE 928 -128 848 -128
WIRE 1056 -128 928 -128
WIRE 1152 -128 1136 -128
WIRE 1328 -128 1152 -128
WIRE 1360 -128 1328 -128
WIRE 1520 -128 1360 -128
WIRE -400 -112 -400 -128
WIRE 384 -112 336 -112
WIRE 848 -112 848 -128
WIRE 1520 -112 1520 -128
WIRE -192 -96 -192 -128
WIRE 928 -80 928 -128
WIRE -96 -48 -96 -160
WIRE 848 -32 848 -48
WIRE -400 -16 -400 -32
WIRE -192 -16 -192 -32
WIRE 32 -16 16 -16
WIRE 128 -16 112 -16
WIRE 464 -16 448 -16
WIRE 688 -16 544 -16
WIRE 1152 0 1152 -128
WIRE 1328 0 1328 -128
WIRE 928 32 928 0
WIRE 928 32 736 32
WIRE 928 64 928 32
WIRE 16 80 16 -16
WIRE 32 80 16 80
WIRE 128 80 128 -16
WIRE 128 80 96 80
WIRE 448 80 448 -16
WIRE 464 80 448 80
WIRE 560 80 528 80
WIRE 848 128 848 112
WIRE -96 176 -96 32
WIRE -80 176 -96 176
WIRE 16 176 16 80
WIRE 16 176 0 176
WIRE 32 176 16 176
WIRE 128 192 128 80
WIRE 128 192 96 192
WIRE 192 192 128 192
WIRE 448 192 448 80
WIRE 448 192 272 192
WIRE 464 192 448 192
WIRE -544 208 -576 208
WIRE -528 208 -544 208
WIRE -400 208 -448 208
WIRE -192 208 -400 208
WIRE 32 208 -192 208
WIRE 560 208 560 80
WIRE 560 208 528 208
WIRE 592 208 560 208
WIRE 688 208 688 -16
WIRE 688 208 672 208
WIRE 848 208 848 192
WIRE 848 208 688 208
WIRE 928 208 928 144
WIRE 928 208 848 208
WIRE 1056 208 928 208
WIRE 1152 208 1152 64
WIRE 1152 208 1136 208
WIRE 1328 208 1328 80
WIRE 1328 208 1152 208
WIRE 1360 208 1328 208
WIRE 1424 208 1360 208
WIRE -400 224 -400 208
WIRE 336 224 336 -112
WIRE 464 224 336 224
WIRE 848 224 848 208
WIRE 1424 224 1424 208
WIRE -192 240 -192 208
WIRE -720 288 -720 224
WIRE 848 304 848 288
WIRE -400 320 -400 304
WIRE -192 320 -192 304
WIRE 336 336 336 224
WIRE 368 336 336 336
WIRE 464 336 448 336
WIRE 1376 368 1184 368
WIRE 1376 384 1376 368
WIRE 1184 416 1184 368
WIRE 336 432 336 336
WIRE 384 432 336 432
WIRE 464 432 464 336
WIRE 464 432 448 432
WIRE 800 464 800 448
WIRE 1376 480 1376 464
WIRE 1424 480 1424 304
WIRE 1424 480 1376 480
WIRE 1520 480 1520 -32
WIRE 1520 480 1424 480
WIRE 1376 496 1376 480
WIRE 1184 512 1184 496
WIRE 464 528 464 432
WIRE 464 528 448 528
WIRE 736 528 736 32
WIRE 736 528 464 528
WIRE 336 544 336 432
WIRE 384 544 336 544
WIRE 800 560 800 544
WIRE 800 560 448 560
WIRE 896 560 800 560
WIRE 800 576 800 560
WIRE 896 576 896 560
WIRE -688 592 -688 576
WIRE 1376 592 1376 576
WIRE 1376 592 1184 592
WIRE -688 608 -688 592
WIRE 1184 624 1184 592
WIRE 800 672 800 656
WIRE 896 672 896 640
FLAG 64 160 V+
FLAG 416 -160 V+
FLAG -192 320 0
FLAG -400 320 0
FLAG 64 -176 V+
FLAG -192 -16 0
FLAG -400 -16 0
FLAG -544 -128 INP
FLAG -544 208 INN
FLAG 496 176 V+
FLAG 64 -112 V-
FLAG 416 -96 V-
FLAG 496 240 V-
FLAG 64 224 V-
FLAG -688 592 0
FLAG -688 496 V+
FLAG -688 688 V-
FLAG 848 304 0
FLAG 848 -32 0
FLAG 896 672 0
FLAG 800 672 0
FLAG 416 512 V+
FLAG 416 576 V-
FLAG -720 288 0
FLAG 1184 512 0
FLAG 1184 624 0
FLAG 1360 -128 RINP
FLAG 1360 208 RINN
FLAG -544 528 INP
FLAG -544 608 INN
FLAG 848 -224 V+
FLAG 848 112 V+
FLAG 800 448 Vref
FLAG 1184 368 Vref
SYMBOL Opamps\\LT1007 64 128 R0
SYMATTR InstName U_5A
SYMBOL Opamps\\LT1007 416 -192 R0
SYMATTR InstName U_6A
SYMBOL TVSdiode -176 304 R180
WINDOW 0 24 64 Left 2
WINDOW 3 77 -66 VRight 2
SYMATTR InstName D1
SYMATTR Value SMBJ24CA
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -416 208 R0
SYMATTR InstName R1
SYMATTR Value 1MEG
SYMBOL res -432 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL Opamps\\LT1007 64 -208 R0
SYMATTR InstName U_5B
SYMBOL TVSdiode -176 -32 R180
WINDOW 0 24 64 Left 2
WINDOW 3 74 -68 VRight 2
SYMATTR InstName D2
SYMATTR Value SMBJ24CA
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -416 -128 R0
SYMATTR InstName R3
SYMATTR Value 1MEG
SYMBOL res -432 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 16 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1R5
SYMBOL res -112 -64 R0
SYMATTR InstName R6
SYMATTR Value 20k
SYMBOL cap 96 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 22p
SYMBOL cap 96 -272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 22p
SYMBOL res 128 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 3k
SYMBOL res 128 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 3k
SYMBOL res 288 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 1k4
SYMBOL res 288 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 1k4
SYMBOL cap 448 -272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL res 480 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 1k
SYMBOL res 608 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 91
SYMBOL Opamps\\LT1007 496 144 R0
SYMATTR InstName U_6B
SYMBOL cap 528 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 470p
SYMBOL res 560 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 1k
SYMBOL res 688 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 91
SYMBOL res 912 -96 R0
SYMATTR InstName R15
SYMATTR Value 10k
SYMBOL res 912 48 R0
SYMATTR InstName R16
SYMATTR Value 10k
SYMBOL res 1152 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value {LPF_R}
SYMBOL cap 1136 0 R0
WINDOW 3 -24 83 VLeft 2
SYMATTR Value {LPF_C}
SYMATTR InstName C_24
SYMBOL voltage -688 480 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL voltage -688 592 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 6.5
SYMBOL res 1152 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value {LPF_R}
SYMBOL schottky 864 192 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 864 288 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 864 -144 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 864 -48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D6
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 784 448 R0
SYMATTR InstName R19
SYMATTR Value 10k
SYMBOL cap 880 576 R0
SYMATTR InstName C6
SYMATTR Value 10µ
SYMBOL res 784 560 R0
SYMATTR InstName R20
SYMATTR Value 10k
SYMBOL Opamps\\LT1007 416 480 M0
SYMATTR InstName U_3B
SYMBOL cap 384 416 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 22p
SYMBOL res 352 320 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 1MEG
SYMBOL voltage 1184 400 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vref
SYMATTR Value 5
SYMBOL res 1392 368 M0
SYMATTR InstName R22
SYMATTR Value 1k
SYMBOL res 1392 480 M0
SYMATTR InstName R23
SYMATTR Value 1k
SYMBOL res 1408 208 R0
SYMATTR InstName R24
SYMATTR Value 10k
SYMBOL res 1504 -128 R0
SYMATTR InstName R25
SYMATTR Value 10k
SYMBOL voltage -544 512 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 2.9 1k)
SYMBOL res 1312 -16 R0
SYMATTR InstName R26
SYMATTR Value 12k
TEXT -136 64 Left 2 ;Vol
TEXT 880 1016 Left 5 ;EMU-0202\nInput Stage (RIGHT)
TEXT 872 1176 Left 4 ;Date
TEXT 1432 1176 Left 4 ;Revision
TEXT 872 1256 Left 4 ;2017/01/28
TEXT 1432 1256 Left 4 ;5
TEXT 1544 1080 Left 4 ;www.stromrichter.org
TEXT 1576 160 Left 4 ;AK5385A
TEXT 1232 -152 Left 2 ;RIN+
TEXT 1240 184 Left 2 ;RIN-
TEXT -776 96 Left 2 ;Input TRS
TEXT 1208 344 Left 2 ;VREFR
TEXT 1240 568 Left 2 ;VSS
TEXT -176 520 Left 2 !;tran 0 100m 50m
TEXT -184 552 Left 2 !.tran 0 100m 50m
TEXT 1040 -216 Left 2 ;LPF
TEXT 296 696 Left 2 ;2.5V Bias
TEXT 1024 -288 Left 2 !.param LPF_R = 1m\n.param LPF_C = 1n5
LINE Normal -624 208 -608 176
LINE Normal -624 208 -624 208 2
LINE Normal -624 208 -624 208 2
LINE Normal -592 208 -608 176
LINE Normal -576 208 -592 208
LINE Normal -576 208 -576 208 2
LINE Normal -656 176 -672 144
LINE Normal -640 144 -656 176
LINE Normal -624 144 -640 144
LINE Normal -624 -128 -624 144
LINE Normal -576 -128 -624 -128
LINE Normal -576 -128 -576 -128
LINE Normal 672 288 288 288 2
LINE Normal 672 384 672 288 2
LINE Normal 960 384 672 384 2
LINE Normal 960 720 960 384 2
LINE Normal 288 720 960 720 2
LINE Normal 288 288 288 720 2
LINE Normal 288 288 288 288 2
RECTANGLE Normal -704 224 -736 144 2
RECTANGLE Normal -576 240 -736 128
RECTANGLE Normal -32 48 -128 -64 2
RECTANGLE Normal 1976 1296 -832 -544
RECTANGLE Normal 856 960 1976 1296
RECTANGLE Normal 1992 1312 -848 -560
RECTANGLE Normal 1976 1136 856 1296
RECTANGLE Normal 1976 1296 856 1216
RECTANGLE Normal 1976 1296 1416 1136
RECTANGLE Normal 1856 832 1296 -368 2
RECTANGLE Normal 1200 272 1040 -192 2