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