Version 4 SHEET 1 3356 2016 WIRE 1392 -16 1248 -16 WIRE 1248 0 1248 -16 WIRE 672 32 592 32 WIRE 1136 96 1056 96 WIRE 1248 96 1248 80 WIRE 1248 96 1136 96 WIRE 1056 112 1056 96 WIRE 1248 112 1248 96 WIRE 592 128 592 112 WIRE 1392 128 1392 -16 WIRE 592 144 592 128 WIRE 672 176 672 32 WIRE -336 208 -336 192 WIRE 592 208 320 208 WIRE 1056 208 1056 192 WIRE 1248 208 1248 192 WIRE 1056 224 1056 208 WIRE 1248 224 1248 208 WIRE -336 240 -336 208 WIRE -336 240 -400 240 WIRE -272 240 -336 240 WIRE -400 272 -400 240 WIRE -400 272 -416 272 WIRE -272 272 -272 240 WIRE -256 272 -272 272 WIRE 592 304 592 272 WIRE 1056 304 1056 288 WIRE 1200 304 1056 304 WIRE 1248 304 1248 288 WIRE -656 320 -704 320 WIRE -528 320 -656 320 WIRE -480 320 -528 320 WIRE -160 320 -192 320 WIRE 1056 320 1056 304 WIRE 1248 320 1248 304 WIRE 1392 320 1392 192 WIRE -656 336 -656 320 WIRE 592 336 592 304 WIRE -160 352 -160 320 WIRE 1392 352 1392 320 WIRE -528 400 -528 320 WIRE -416 400 -416 368 WIRE -368 400 -416 400 WIRE -256 400 -256 368 WIRE -256 400 -304 400 WIRE 1056 400 1056 384 WIRE -416 416 -416 400 WIRE -256 416 -256 400 WIRE 1056 416 1056 400 WIRE -656 432 -656 416 WIRE -592 432 -656 432 WIRE 592 432 592 416 WIRE 672 432 672 256 WIRE 672 432 592 432 WIRE -656 448 -656 432 WIRE 1248 448 1248 400 WIRE 1280 448 1248 448 WIRE 1392 448 1392 432 WIRE 1392 448 1280 448 WIRE 1392 464 1392 448 WIRE 1200 480 1200 304 WIRE 1344 480 1200 480 WIRE -416 512 -416 496 WIRE -336 512 -416 512 WIRE -256 512 -256 496 WIRE -256 512 -336 512 WIRE 1056 512 1056 496 WIRE 1056 512 1008 512 WIRE 1088 512 1056 512 WIRE 128 528 64 528 WIRE 240 528 128 528 WIRE 320 528 320 208 WIRE 320 528 240 528 WIRE 704 528 320 528 WIRE 1008 528 1008 512 WIRE 1088 528 1088 512 WIRE -656 544 -656 528 WIRE -656 544 -704 544 WIRE -528 544 -528 480 WIRE -528 544 -656 544 WIRE -160 544 -160 432 WIRE -160 544 -528 544 WIRE 64 544 64 528 WIRE 128 560 128 528 WIRE 240 560 240 528 WIRE 1344 560 1344 528 WIRE 1392 560 1392 544 WIRE 1392 560 1344 560 WIRE -336 576 -336 512 WIRE -336 576 -352 576 WIRE -208 576 -336 576 WIRE 1392 576 1392 560 WIRE -208 592 -208 576 WIRE 816 608 784 608 WIRE 896 608 880 608 WIRE -336 640 -336 576 WIRE 1008 656 1008 608 WIRE 1088 656 1088 608 WIRE 1088 656 1008 656 WIRE 1328 656 1088 656 WIRE 64 672 64 624 WIRE 128 672 128 640 WIRE 128 672 64 672 WIRE 240 672 240 624 WIRE 240 672 128 672 WIRE 368 672 240 672 WIRE -208 688 -208 672 WIRE -48 688 -208 688 WIRE 80 688 -48 688 WIRE 368 688 368 672 WIRE 576 688 368 688 WIRE 784 688 784 608 WIRE 784 688 576 688 WIRE 800 688 784 688 WIRE 896 688 896 608 WIRE 896 688 880 688 WIRE 1200 688 1200 480 WIRE 1200 688 896 688 WIRE -208 704 -208 688 WIRE 128 704 128 672 WIRE 80 720 80 688 WIRE 784 768 784 688 WIRE 800 768 784 768 WIRE 896 768 896 688 WIRE 896 768 880 768 WIRE 528 784 464 784 WIRE 592 784 528 784 WIRE -336 800 -336 720 WIRE -208 800 -208 784 WIRE -208 800 -336 800 WIRE 80 800 80 768 WIRE 80 800 -208 800 WIRE 128 800 128 784 WIRE 128 800 80 800 WIRE 144 800 128 800 WIRE 592 800 592 784 WIRE 816 1072 816 816 WIRE 464 848 464 784 WIRE -592 864 -592 432 WIRE 416 864 -592 864 WIRE 704 864 704 528 WIRE 864 864 864 816 WIRE 864 864 704 864 WIRE 592 896 592 880 WIRE 592 928 592 896 WIRE 368 1024 368 688 WIRE 464 1024 464 928 WIRE 464 1024 368 1024 WIRE 592 1024 592 1008 WIRE 592 1024 464 1024 WIRE -48 1072 -48 688 WIRE 416 1072 416 912 WIRE 416 1072 -48 1072 WIRE 816 1072 416 1072 FLAG -704 544 In+ FLAG -336 112 V+ FLAG -336 208 4 FLAG -704 320 In- FLAG -336 240 4 FLAG -416 400 5 FLAG -256 400 6 FLAG 816 1072 49 FLAG -352 576 V- FLAG 592 128 8 FLAG 592 304 10 FLAG 144 800 V+ FLAG 576 688 98 FLAG 528 784 16 FLAG -592 864 3 FLAG 592 896 17 FLAG 672 432 V- FLAG 672 32 V+ FLAG 1392 576 V+ FLAG 1392 320 24 FLAG 1392 -16 26 FLAG 1280 448 23 FLAG 1248 304 25 FLAG 1248 208 27 FLAG 1136 96 22 FLAG 1056 208 21 FLAG 1200 688 15 FLAG 1056 400 20 FLAG 1056 512 22 FLAG 1328 656 Out FLAG -160 320 7 FLAG 320 528 9 SYMBOL current -528 400 M0 SYMATTR InstName IOS SYMATTR Value 5n SYMBOL Misc\\EuropeanResistor -672 544 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R1 SYMATTR Value 500K SYMBOL Misc\\EuropeanResistor -672 432 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R2 SYMATTR Value 500K SYMBOL current -336 112 M0 SYMATTR InstName I1 SYMATTR Value 100µ SYMBOL Misc\\EuropeanResistor -400 400 M0 SYMATTR InstName R3 SYMATTR Value 517 SYMBOL Misc\\EuropeanResistor -272 400 R0 SYMATTR InstName R4 SYMATTR Value 517 SYMBOL npn -480 368 M180 SYMATTR InstName Q1 SYMATTR Value QX SYMBOL npn -192 368 R180 SYMATTR InstName Q2 SYMATTR Value QX SYMBOL cap -368 384 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 128.27p SYMBOL current -336 720 M180 WINDOW 0 24 80 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName I2 SYMATTR Value 75µ SYMBOL epoly -160 336 R0 WINDOW 3 52 182 VLeft 2 SYMATTR Value POLY (1) 16 49 2E-3 1 SYMATTR InstName EOS SYMBOL Misc\\EuropeanResistor -224 800 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R8 SYMATTR Value 60K SYMBOL Misc\\EuropeanResistor -224 688 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R9 SYMATTR Value 60K SYMBOL voltage 592 16 R0 SYMATTR InstName V2 SYMATTR Value 1.63 SYMBOL diode 608 208 R180 WINDOW 0 44 58 Left 2 WINDOW 3 40 32 Left 2 SYMATTR InstName D1 SYMATTR Value DX SYMBOL diode 608 272 R180 WINDOW 3 24 0 Left 2 WINDOW 0 45 34 Left 2 SYMATTR Value DX SYMATTR InstName D2 SYMBOL voltage 592 320 M0 SYMATTR InstName V3 SYMATTR Value .635 SYMBOL e 128 800 M180 WINDOW 0 34 28 Left 2 SYMATTR InstName EH SYMATTR Value 1 SYMBOL gpoly 64 640 R180 WINDOW 0 24 104 Left 2 WINDOW 3 57 193 VLeft 2 SYMATTR InstName G1 SYMATTR Value POLY (1) 5 6 0 9.8772E-4 0 .3459 SYMBOL Misc\\EuropeanResistor 112 656 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R5 SYMATTR Value 101.2433MEG SYMBOL cap 224 624 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C3 SYMATTR Value 200p SYMBOL g 896 768 M270 SYMATTR InstName G3 SYMATTR Value 1E-6 SYMBOL Misc\\EuropeanResistor 784 704 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R12 SYMATTR Value 1MEG SYMBOL cap 816 624 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C5 SYMATTR Value 7.9577E-14 SYMBOL g 464 832 R0 SYMATTR InstName G4 SYMATTR Value 5.6234E-8 SYMBOL ind 576 1024 M180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L2 SYMATTR Value 15.9m SYMBOL Misc\\EuropeanResistor 576 896 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R13 SYMATTR Value 1K SYMBOL f 672 256 M180 WINDOW 3 24 0 Left 2 WINDOW 0 24 80 Left 2 SYMATTR Value POLY (1) V6 300U 1 SYMATTR InstName F6 SYMBOL e 1392 560 M180 SYMATTR InstName E1 SYMATTR Value 1 SYMBOL Misc\\EuropeanResistor 1376 336 R0 SYMATTR InstName R16 SYMATTR Value 17.5 SYMBOL diode 1376 128 R0 SYMATTR InstName D5 SYMATTR Value DX SYMBOL voltage 1248 -16 R0 SYMATTR InstName V6 SYMATTR Value .63V SYMBOL Misc\\EuropeanResistor 1232 416 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R17 SYMATTR Value 17.5 SYMBOL diode 1232 288 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D6 SYMATTR Value DX SYMBOL voltage 1248 96 R0 SYMATTR InstName V7 SYMATTR Value .63V SYMBOL voltage 1056 96 R0 SYMATTR InstName V5 SYMATTR Value 0.27V SYMBOL diode 1040 224 R0 SYMATTR InstName D4 SYMATTR Value DX SYMBOL voltage 1056 400 R0 SYMATTR InstName V4 SYMATTR Value 0.27V SYMBOL diode 1040 320 R0 SYMATTR InstName D3 SYMATTR Value DX SYMBOL ind 992 512 R0 SYMATTR InstName L3 SYMATTR Value 500p SYMBOL Misc\\EuropeanResistor 1072 512 R0 SYMATTR InstName RL3 SYMATTR Value 100K TEXT -496 -48 Left 2 !.SUBCKT LM358 1 2 99 50 28 TEXT -456 72 Left 2 ;***************INPUT STAGE************** TEXT -480 512 VLeft 2 ;^Input offset current TEXT -376 440 Left 2 ;Fp2=1.2 MHz TEXT -696 632 Left 2 ;**********COMMON MODE EFFECT*********** TEXT -384 784 VLeft 2 ;^Quiescent supply current TEXT -88 512 VLeft 2 ;Input offset voltage.^ TEXT 720 -48 Right 2 ;********OUTPUT VOLTAGE LIMITING******** TEXT 32 368 Left 2 ;*************SECOND STAGE************** TEXT 208 688 Left 2 ;Fp1=7.86 Hz TEXT 712 512 Left 2 ;**************POLE STAGE*************** TEXT 936 672 VLeft 2 ;Fp=2 MHz TEXT 384 744 Left 2 ;********COMMON-MODE ZERO STAGE********* TEXT 544 1056 Left 2 ;Fpcm=10 KHz TEXT 840 -48 Left 2 ;*************OUTPUT STAGE************** TEXT 1048 952 Left 2 ;**************MODELS USED************** TEXT 1040 992 Left 2 !.MODEL DX D (IS=1E-15) TEXT 1040 1024 Left 2 !.MODEL QX PNP (BF=1.111E3) TEXT 1048 1056 Left 2 !.ENDS TEXT -560 8 Left 2 ;1 In+ TEXT -512 8 Left 2 ;2 In- TEXT -464 8 Left 2 ;99 V+ SpiceOrder 3 TEXT -320 8 Left 2 ;50 V- SpiceOrder 4 TEXT -168 8 Left 2 ;28 OUT SpiceOrder 5