Version 4
SHEET 1 1372 1320
WIRE -352 -368 -736 -368
WIRE -256 -368 -352 -368
WIRE 80 -368 -256 -368
WIRE 352 -368 352 -384
WIRE 352 -368 80 -368
WIRE -256 -352 -256 -368
WIRE 80 -336 80 -368
WIRE 352 -336 352 -368
WIRE -736 -288 -736 -368
WIRE -352 -288 -352 -368
WIRE -256 -240 -256 -272
WIRE -256 -240 -288 -240
WIRE -224 -240 -256 -240
WIRE -32 -240 -96 -240
WIRE -16 -240 -32 -240
WIRE 80 -240 80 -256
WIRE 80 -240 64 -240
WIRE 352 -208 352 -256
WIRE -352 -176 -352 -192
WIRE -32 -176 -32 -240
WIRE -32 -176 -256 -176
WIRE 80 -144 80 -240
WIRE 112 -144 80 -144
WIRE -960 -128 -1088 -128
WIRE -352 -96 -352 -112
WIRE -208 -96 -352 -96
WIRE -176 -96 -208 -96
WIRE -80 -96 -96 -96
WIRE -48 -96 -80 -96
WIRE 80 -96 80 -144
WIRE 80 -96 32 -96
WIRE -960 -64 -960 -128
WIRE 80 -64 80 -96
WIRE -736 -48 -736 -208
WIRE -688 -48 -736 -48
WIRE -592 -48 -688 -48
WIRE -416 -48 -592 -48
WIRE -80 -16 -80 -96
WIRE -80 -16 -128 -16
WIRE 16 -16 -80 -16
WIRE -1088 0 -1088 -128
WIRE -352 32 -352 0
WIRE -352 32 -448 32
WIRE -208 32 -208 -96
WIRE -192 32 -208 32
WIRE -688 48 -688 -48
WIRE -912 64 -1024 64
WIRE -448 64 -448 32
WIRE -352 64 -352 32
WIRE -592 128 -592 -48
WIRE -208 128 -208 32
WIRE -192 128 -208 128
WIRE -128 128 -128 80
WIRE -960 160 -960 16
WIRE -256 160 -256 -176
WIRE -1200 176 -1248 176
WIRE -1072 176 -1120 176
WIRE -1024 176 -1024 64
WIRE -1024 176 -1072 176
WIRE -992 176 -1024 176
WIRE -688 176 -688 128
WIRE -656 176 -688 176
WIRE -848 192 -848 64
WIRE -848 192 -928 192
WIRE -832 192 -848 192
WIRE -736 192 -736 -48
WIRE -736 192 -752 192
WIRE -448 192 -448 128
WIRE -400 192 -448 192
WIRE -352 192 -352 144
WIRE -352 192 -400 192
WIRE -128 192 -128 128
WIRE 80 192 80 32
WIRE 80 192 -128 192
WIRE 160 192 80 192
WIRE 192 192 160 192
WIRE 304 192 192 192
WIRE 320 192 304 192
WIRE -992 208 -1024 208
WIRE -688 224 -688 176
WIRE -400 224 -400 192
WIRE 192 224 192 192
WIRE 304 224 304 192
WIRE -352 240 -352 192
WIRE -1232 256 -1248 256
WIRE -1200 256 -1232 256
WIRE -1024 256 -1024 208
WIRE -1024 256 -1120 256
WIRE -448 256 -448 192
WIRE -192 256 -208 256
WIRE -128 256 -128 192
WIRE -960 288 -960 224
WIRE -1232 304 -1232 256
WIRE -128 304 -128 256
WIRE 192 336 192 304
WIRE -448 352 -448 320
WIRE -352 352 -352 320
WIRE -352 352 -448 352
WIRE -208 352 -208 256
WIRE -192 352 -208 352
WIRE 80 352 80 192
WIRE 304 352 304 304
WIRE -352 384 -352 352
WIRE -80 400 -128 400
WIRE 16 400 -80 400
WIRE -1232 432 -1232 384
WIRE -688 432 -688 304
WIRE -688 432 -736 432
WIRE -592 432 -592 224
WIRE -592 432 -688 432
WIRE -416 432 -592 432
WIRE 192 432 192 400
WIRE -960 464 -960 368
WIRE -208 480 -208 352
WIRE -208 480 -352 480
WIRE -176 480 -208 480
WIRE -80 480 -80 400
WIRE -80 480 -96 480
WIRE -48 480 -80 480
WIRE 80 480 80 448
WIRE 80 480 32 480
WIRE -352 496 -352 480
WIRE 80 528 80 480
WIRE 112 528 80 528
WIRE -736 560 -736 432
WIRE -256 560 -256 224
WIRE -32 560 -256 560
WIRE 352 560 272 560
WIRE -352 576 -352 560
WIRE -256 624 -288 624
WIRE -224 624 -256 624
WIRE -32 624 -32 560
WIRE -32 624 -96 624
WIRE -16 624 -32 624
WIRE 80 624 80 528
WIRE 80 624 64 624
WIRE 272 624 272 560
WIRE 80 640 80 624
WIRE 352 640 352 560
WIRE -256 656 -256 624
WIRE -736 768 -736 640
WIRE -352 768 -352 672
WIRE -352 768 -736 768
WIRE -256 768 -256 736
WIRE -256 768 -352 768
WIRE 80 768 80 720
WIRE 80 768 -256 768
WIRE 288 768 288 752
WIRE 288 768 80 768
WIRE 352 768 352 720
WIRE 352 768 288 768
WIRE -1072 832 -1072 176
WIRE -976 832 -1072 832
WIRE 160 832 160 192
WIRE 160 832 -896 832
FLAG -1088 0 0
FLAG -960 464 0
FLAG -1232 432 0
FLAG 272 624 0
FLAG 304 352 0
FLAG 352 -208 0
FLAG 320 192 Out
IOPIN 320 192 Out
FLAG -1248 256 In
IOPIN -1248 256 In
FLAG 352 -384 Vp
FLAG 288 752 Vn
FLAG 112 -144 VPE
FLAG 112 528 VNE
FLAG -400 224 0
FLAG -1248 176 0
FLAG -464 1056 0
FLAG 192 432 0
SYMBOL voltage -960 32 R180
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 V1
SYMATTR Value 15
SYMBOL voltage -960 384 R180
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 V2
SYMATTR Value 15
SYMBOL res -368 48 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -368 224 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res -1104 160 R90
WINDOW 0 -5 76 VBottom 2
WINDOW 3 -31 33 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -1104 240 R90
WINDOW 0 70 93 VBottom 2
WINDOW 3 44 54 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -992 848 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res -752 -304 R0
SYMATTR InstName R6
SYMATTR Value 3k9
SYMBOL res -752 544 R0
SYMATTR InstName R7
SYMATTR Value 3k9
SYMBOL voltage 352 -352 R0
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 -128 12 Left 2
SYMATTR InstName V3
SYMATTR Value 35
SYMATTR SpiceLine Rser=0.01
SYMBOL voltage 352 624 R0
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 -96 -90 Left 2
SYMATTR InstName V4
SYMATTR Value 35
SYMATTR SpiceLine Rser=0.01
SYMBOL res 64 -352 R0
SYMATTR InstName R8
SYMATTR Value 0.22
SYMBOL res 64 624 R0
WINDOW 0 44 60 Left 2
WINDOW 3 34 99 Left 2
SYMATTR InstName R9
SYMATTR Value 0.22
SYMBOL res 48 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 180
SYMBOL res 48 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 180
SYMBOL res -80 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 750
SYMBOL res -80 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 750
SYMBOL res 320 320 R180
WINDOW 0 -56 76 Left 2
WINDOW 3 -39 42 Left 2
SYMATTR InstName R16
SYMATTR Value 3.5
SYMBOL cap -464 64 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap -464 256 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap -848 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 22p
SYMBOL voltage -1232 288 R0
WINDOW 0 24 96 Left 2
WINDOW 3 -66 209 VLeft 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value SINE(0 0 1000)
SYMBOL npn 16 352 R0
WINDOW 3 35 56 Left 2
SYMATTR Value MJE3055
SYMATTR InstName Q6
SYMBOL pnp 16 32 M180
SYMATTR InstName Q4
SYMATTR Value MJE2955
SYMBOL Opamps\\LT1056A -960 128 R0
SYMATTR InstName U1
SYMBOL pnp -192 80 M180
SYMATTR InstName Q3
SYMATTR Value TBD140
SYMBOL npn -192 304 R0
SYMATTR InstName Q5
SYMATTR Value TBD139
SYMBOL npn -416 -96 R0
SYMATTR InstName Q1
SYMATTR Value 2N5550 temp = 20
SYMBOL pnp -416 480 M180
WINDOW 3 56 70 Left 2
SYMATTR Value 2N5401 temp = 20
SYMATTR InstName Q2
SYMBOL res 176 208 R0
WINDOW 3 45 71 Left 2
SYMATTR Value 1
SYMATTR InstName R14
SYMBOL cap 208 400 R180
WINDOW 0 -38 54 Left 2
WINDOW 3 -48 10 Left 2
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL res -704 32 R0
SYMATTR InstName R15
SYMATTR Value 2.69k
SYMBOL res -704 208 R0
SYMATTR InstName R17
SYMATTR Value 1k
SYMBOL npn -656 128 R0
WINDOW 0 72 18 Left 2
WINDOW 3 40 52 Left 2
SYMATTR InstName Q7
SYMATTR Value 2N5550
SYMBOL zener -480 992 R0
SYMATTR InstName D1
SYMATTR Value 1N750
SYMBOL cap -128 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 47p
SYMBOL cap -128 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 47p
SYMBOL res -736 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 51
SYMBOL pnp -288 -192 R180
WINDOW 3 56 70 Left 2
SYMATTR Value 2N5401
SYMATTR InstName Q9
SYMBOL res 80 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 220
SYMBOL diode -368 -176 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -240 -256 R180
WINDOW 0 -53 85 Left 2
WINDOW 3 -59 50 Left 2
SYMATTR InstName R20
SYMATTR Value 1.2k
SYMBOL npn -288 576 M0
SYMATTR InstName Q8
SYMATTR Value 2N5550
SYMBOL diode -368 496 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res -272 640 R0
WINDOW 0 36 52 Left 2
WINDOW 3 36 89 Left 2
SYMATTR InstName R21
SYMATTR Value 1.2k
SYMBOL diode -160 608 R90
WINDOW 0 0 64 VBottom 2
WINDOW 3 44 15 VTop 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL res 80 608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 220
SYMBOL diode -224 -224 R270
WINDOW 0 -34 30 VTop 2
WINDOW 3 60 19 VBottom 2
SYMATTR InstName D7
SYMATTR Value 1N4148
SYMBOL cap -240 224 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C7
SYMATTR Value 47n
SYMBOL diode -160 -224 R270
WINDOW 0 -37 40 VTop 2
WINDOW 3 65 57 VBottom 2
SYMATTR InstName D8
SYMATTR Value 1N4148
SYMBOL diode -96 608 R90
WINDOW 0 0 64 VBottom 2
WINDOW 3 44 -7 VTop 2
SYMATTR InstName D9
SYMATTR Value 1N4148
TEXT 232 1032 Left 2 !.tran 0 2m 0 0.1µ
TEXT 176 1080 Left 2 !.options plotwinsize=0
TEXT 24 1032 Left 2 !.four 1k v(Out)
TEXT -96 1088 Left 2 !.inc 3055.mod
TEXT 16 920 Left 2 !.step temp 0 60 20