Version 4
SHEET 1 1372 1320
WIRE -272 -368 -736 -368
WIRE 80 -368 -272 -368
WIRE 352 -368 352 -384
WIRE 352 -368 80 -368
WIRE 80 -336 80 -368
WIRE 352 -336 352 -368
WIRE -400 -304 -528 -304
WIRE -272 -304 -272 -368
WIRE -272 -304 -320 -304
WIRE -736 -288 -736 -368
WIRE -528 -288 -528 -304
WIRE -176 -224 -208 -224
WIRE -80 -224 -96 -224
WIRE -48 -224 -80 -224
WIRE 80 -224 80 -256
WIRE 80 -224 32 -224
WIRE 208 -224 208 -240
WIRE 208 -224 80 -224
WIRE 352 -208 352 -256
WIRE -528 -192 -528 -224
WIRE 80 -192 80 -224
WIRE -80 -144 -80 -224
WIRE -80 -144 -128 -144
WIRE 16 -144 -80 -144
WIRE -960 -128 -1088 -128
WIRE -528 -96 -528 -128
WIRE -208 -96 -208 -224
WIRE -208 -96 -528 -96
WIRE -192 -96 -208 -96
WIRE -960 -64 -960 -128
WIRE -736 -48 -736 -208
WIRE -592 -48 -736 -48
WIRE -1088 0 -1088 -128
WIRE -736 0 -736 -48
WIRE -528 32 -528 0
WIRE -528 32 -624 32
WIRE -912 64 -1024 64
WIRE -624 64 -624 32
WIRE -528 64 -528 32
WIRE -960 160 -960 16
WIRE -1136 176 -1184 176
WIRE -1024 176 -1024 64
WIRE -1024 176 -1056 176
WIRE -992 176 -1024 176
WIRE -848 192 -848 64
WIRE -848 192 -928 192
WIRE -624 192 -624 128
WIRE -624 192 -848 192
WIRE -528 192 -528 144
WIRE -528 192 -624 192
WIRE -352 192 -400 192
WIRE -240 192 -272 192
WIRE -128 192 -128 -48
WIRE -128 192 -176 192
WIRE 80 192 80 -96
WIRE 80 192 -128 192
WIRE 192 192 80 192
WIRE 272 192 192 192
WIRE 320 192 272 192
WIRE -992 208 -1024 208
WIRE 272 224 272 192
WIRE -528 240 -528 192
WIRE -1232 256 -1248 256
WIRE -1136 256 -1232 256
WIRE -1024 256 -1024 208
WIRE -1024 256 -1056 256
WIRE -736 256 -736 64
WIRE -736 256 -800 256
WIRE -624 256 -624 192
WIRE -960 288 -960 224
WIRE -1232 304 -1232 256
WIRE -800 320 -800 256
WIRE -736 320 -736 256
WIRE -400 320 -400 192
WIRE -624 352 -624 320
WIRE -528 352 -528 320
WIRE -528 352 -624 352
WIRE 272 352 272 304
WIRE -1024 384 -1024 256
WIRE -528 384 -528 352
WIRE -1232 432 -1232 384
WIRE -736 432 -736 384
WIRE -592 432 -736 432
WIRE -128 432 -128 192
WIRE -960 464 -960 368
WIRE -208 480 -528 480
WIRE -192 480 -208 480
WIRE 80 480 80 192
WIRE -528 512 -528 480
WIRE -80 528 -128 528
WIRE 16 528 -80 528
WIRE -736 560 -736 432
WIRE 352 560 272 560
WIRE -528 608 -528 576
WIRE -208 608 -208 480
WIRE -176 608 -208 608
WIRE -80 608 -80 528
WIRE -80 608 -96 608
WIRE -48 608 -80 608
WIRE 80 608 80 576
WIRE 80 608 32 608
WIRE 160 608 160 592
WIRE 160 608 80 608
WIRE 272 624 272 560
WIRE 80 640 80 608
WIRE 352 640 352 560
WIRE -528 704 -528 672
WIRE -384 704 -528 704
WIRE -272 704 -304 704
WIRE -736 768 -736 640
WIRE -272 768 -272 704
WIRE -272 768 -736 768
WIRE 80 768 80 720
WIRE 80 768 -272 768
WIRE 288 768 288 752
WIRE 288 768 80 768
WIRE 352 768 352 720
WIRE 352 768 288 768
WIRE -1024 832 -1024 464
WIRE 192 832 192 192
WIRE 192 832 -1024 832
FLAG -1088 0 0
FLAG -960 464 0
FLAG -800 320 0
FLAG -1184 176 0
FLAG -1232 432 0
FLAG 272 624 0
FLAG 272 352 0
FLAG 352 -208 0
FLAG -400 320 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 208 -240 VPE
FLAG 160 592 VNE
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 -544 48 R0
SYMATTR InstName R1
SYMATTR Value 750
SYMBOL res -544 224 R0
SYMATTR InstName R2
SYMATTR Value 750
SYMBOL res -1040 160 R90
WINDOW 0 -5 76 VBottom 2
WINDOW 3 -31 33 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -1040 240 R90
WINDOW 0 70 93 VBottom 2
WINDOW 3 44 54 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -1008 480 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res -752 -304 R0
SYMATTR InstName R6
SYMATTR Value 2k7
SYMBOL res -752 544 R0
SYMATTR InstName R7
SYMATTR Value 2k7
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 40
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 40
SYMATTR SpiceLine Rser=0.01
SYMBOL res 64 -352 R0
SYMATTR InstName R8
SYMATTR Value 0.33
SYMBOL res 64 624 R0
SYMATTR InstName R9
SYMATTR Value 0.33
SYMBOL res 48 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 180
SYMBOL res 48 592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 180
SYMBOL res -80 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 750
SYMBOL res -80 592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 750
SYMBOL diode -544 -192 R0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode -544 -288 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL diode -544 512 R0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL diode -544 608 R0
SYMATTR InstName D6
SYMATTR Value 1N4148
SYMBOL res -304 -320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 120
SYMBOL res -288 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 120
SYMBOL res 288 320 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R16
SYMATTR Value 4
SYMBOL cap -640 64 R0
SYMATTR InstName C1
SYMATTR Value 560p
SYMBOL cap -640 256 R0
SYMATTR InstName C2
SYMATTR Value 560p
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 2.4 1000)
SYMBOL npn 16 480 R0
WINDOW 3 35 56 Left 2
SYMATTR Value MJE3055
SYMATTR InstName Q6
SYMBOL pnp 16 -96 M180
SYMATTR InstName Q4
SYMATTR Value MJE2955
SYMBOL cap -176 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL res -256 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 1
SYMBOL Opamps\\LT1056A -960 128 R0
SYMATTR InstName U1
SYMBOL pnp -192 -48 M180
SYMATTR InstName Q3
SYMATTR Value Qbd140
SYMBOL npn -192 432 R0
SYMATTR InstName Q5
SYMATTR Value Qbd139
SYMBOL npn -592 -96 R0
SYMATTR InstName Q1
SYMATTR Value QBD139
SYMBOL pnp -592 480 M180
SYMATTR InstName Q2
SYMATTR Value QBD140
SYMBOL diode -752 0 R0
WINDOW 3 38 33 Left 2
SYMATTR Value 1N4148
SYMATTR InstName D1
SYMATTR Description Zener Diode
SYMATTR Type zener
SYMBOL diode -752 320 R0
WINDOW 3 41 32 Left 2
SYMATTR Value 1N4148
SYMATTR InstName D2
SYMATTR Description Zener Diode
SYMATTR Type zener
TEXT 232 1032 Left 2 !.tran 0 5m 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