Version 4
SHEET 1 1308 1708
WIRE 976 -320 -736 -320
WIRE -608 -272 -672 -272
WIRE -448 -272 -608 -272
WIRE -144 -272 -448 -272
WIRE -80 -272 -144 -272
WIRE 224 -272 -80 -272
WIRE 352 -272 224 -272
WIRE 480 -272 352 -272
WIRE 608 -272 480 -272
WIRE 736 -272 608 -272
WIRE 864 -272 736 -272
WIRE 1248 -272 864 -272
WIRE -448 -240 -448 -272
WIRE 224 -240 224 -272
WIRE 352 -240 352 -272
WIRE 480 -240 480 -272
WIRE 608 -240 608 -272
WIRE 736 -240 736 -272
WIRE 864 -240 864 -272
WIRE -672 -192 -672 -272
WIRE -608 -192 -608 -272
WIRE -144 -144 -144 -272
WIRE -448 -128 -448 -160
WIRE -288 -128 -448 -128
WIRE 224 -128 224 -160
WIRE 352 -128 352 -160
WIRE 480 -128 480 -160
WIRE 608 -128 608 -160
WIRE 736 -128 736 -160
WIRE 864 -128 864 -160
WIRE -448 -112 -448 -128
WIRE 160 -80 128 -80
WIRE 288 -80 160 -80
WIRE 416 -80 288 -80
WIRE 544 -80 416 -80
WIRE 672 -80 544 -80
WIRE 800 -80 672 -80
WIRE -672 -64 -672 -128
WIRE -608 -64 -608 -128
WIRE -608 -64 -672 -64
WIRE -512 -64 -608 -64
WIRE 128 -48 128 -80
WIRE 1248 -48 1248 -272
WIRE -448 0 -448 -16
WIRE -32 0 -448 0
WIRE 64 0 32 0
WIRE -448 16 -448 0
WIRE -288 64 -288 -128
WIRE 128 80 128 48
WIRE 176 80 128 80
WIRE 224 80 224 -32
WIRE 224 80 176 80
WIRE 352 80 352 -32
WIRE 352 80 224 80
WIRE 480 80 480 -32
WIRE 480 80 352 80
WIRE 608 80 608 -32
WIRE 608 80 480 80
WIRE 736 80 736 -32
WIRE 736 80 608 80
WIRE 864 80 864 -32
WIRE 864 80 736 80
WIRE -144 112 -144 -64
WIRE -144 112 -224 112
WIRE 64 112 -144 112
WIRE -976 128 -1008 128
WIRE -864 128 -896 128
WIRE -848 128 -864 128
WIRE -736 128 -736 -320
WIRE -736 128 -768 128
WIRE -608 144 -608 -64
WIRE 640 160 128 160
WIRE 688 160 640 160
WIRE 864 160 864 80
WIRE 864 160 768 160
WIRE 1248 160 1248 -48
WIRE 864 192 864 160
WIRE -288 208 -288 160
WIRE 64 208 -48 208
WIRE -448 224 -448 96
WIRE 1248 256 1248 240
WIRE 1264 256 1248 256
WIRE 640 272 640 160
WIRE 1248 272 1248 256
WIRE -864 304 -864 128
WIRE -832 304 -864 304
WIRE 864 304 864 272
WIRE 912 304 864 304
WIRE 976 304 976 -320
WIRE 976 304 912 304
WIRE -736 320 -736 304
WIRE -736 320 -768 320
WIRE -448 320 -448 288
WIRE -448 320 -736 320
WIRE -288 320 -288 272
WIRE -864 336 -928 336
WIRE -832 336 -864 336
WIRE 864 336 864 304
WIRE -448 352 -448 320
WIRE -80 384 -80 -272
WIRE 64 384 -80 384
WIRE 976 400 976 304
WIRE -288 432 -288 400
WIRE 640 432 640 352
WIRE 640 432 128 432
WIRE 688 432 640 432
WIRE 864 432 864 416
WIRE 864 432 768 432
WIRE 1248 432 1248 352
WIRE -144 480 -224 480
WIRE 64 480 -144 480
WIRE -928 496 -928 336
WIRE 976 496 976 480
WIRE 176 512 128 512
WIRE 224 512 176 512
WIRE 352 512 224 512
WIRE 480 512 352 512
WIRE 608 512 480 512
WIRE 736 512 608 512
WIRE 864 512 864 432
WIRE 864 512 736 512
WIRE -288 528 -352 528
WIRE -448 544 -448 416
WIRE 128 592 128 512
WIRE -448 640 -448 624
WIRE -32 640 -448 640
WIRE 64 640 32 640
WIRE -448 656 -448 640
WIRE 224 656 224 512
WIRE 352 656 352 512
WIRE 480 656 480 512
WIRE 608 656 608 512
WIRE 736 656 736 512
WIRE 864 656 864 512
WIRE -608 704 -608 224
WIRE -608 704 -688 704
WIRE -512 704 -608 704
WIRE -144 704 -144 480
WIRE 128 704 128 688
WIRE 160 704 128 704
WIRE 288 704 160 704
WIRE 416 704 288 704
WIRE 544 704 416 704
WIRE 672 704 544 704
WIRE 800 704 672 704
WIRE -688 752 -688 704
WIRE -608 768 -608 704
WIRE -448 784 -448 752
WIRE -352 784 -352 528
WIRE -352 784 -448 784
WIRE 224 784 224 752
WIRE 352 784 352 752
WIRE 480 784 480 752
WIRE 608 784 608 752
WIRE 736 784 736 752
WIRE 864 784 864 752
WIRE -448 800 -448 784
WIRE -688 912 -688 816
WIRE -608 912 -608 832
WIRE -608 912 -688 912
WIRE -448 912 -448 880
WIRE -448 912 -608 912
WIRE -144 912 -144 784
WIRE -144 912 -448 912
WIRE -48 912 -48 208
WIRE -48 912 -144 912
WIRE 224 912 224 864
WIRE 224 912 -48 912
WIRE 352 912 352 864
WIRE 352 912 224 912
WIRE 480 912 480 864
WIRE 480 912 352 912
WIRE 608 912 608 864
WIRE 608 912 480 912
WIRE 736 912 736 864
WIRE 736 912 608 912
WIRE 864 912 864 864
WIRE 864 912 736 912
WIRE 1248 912 1248 432
WIRE 1248 912 864 912
FLAG -928 576 0
FLAG -1008 128 0
FLAG -864 336 IN
FLAG -736 304 OP
FLAG 976 496 0
FLAG 1264 256 0
FLAG 1248 -48 +45
FLAG 1248 432 -45
FLAG -800 288 +45
FLAG -800 352 -45
FLAG 912 304 OUT
FLAG 176 80 eq1
FLAG 176 512 eq2
SYMBOL npn 64 -48 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL pnp 160 -32 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q3
SYMATTR Value 2SAR542P
SYMBOL voltage -928 480 M0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 2 1K)
SYMBOL Opamps\\OP27 -800 256 R0
SYMATTR InstName U1
SYMBOL res 960 384 R0
SYMATTR InstName R19
SYMATTR Value 4
SYMBOL pnp 288 -32 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q5
SYMATTR Value 2SAR542P
SYMBOL pnp 416 -32 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q7
SYMATTR Value 2SAR542P
SYMBOL pnp 544 -32 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q9
SYMATTR Value 2SAR542P
SYMBOL pnp 64 688 M180
WINDOW 0 54 32 Left 2
WINDOW 3 56 69 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL npn 160 656 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q4
SYMATTR Value 2SCR542P
SYMBOL voltage 1248 144 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 45
SYMBOL voltage 1248 256 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 45
SYMBOL npn 288 656 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q6
SYMATTR Value 2SCR542P
SYMBOL npn 416 656 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q8
SYMATTR Value 2SCR542P
SYMBOL npn 544 656 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q10
SYMATTR Value 2SCR542P
SYMBOL pnp 672 -32 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q11
SYMATTR Value 2SAR542P
SYMBOL pnp 800 -32 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q12
SYMATTR Value 2SAR542P
SYMBOL npn 672 656 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q13
SYMATTR Value 2SCR542P
SYMBOL npn 800 656 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q14
SYMATTR Value 2SCR542P
SYMBOL Misc\\EuropeanResistor 880 288 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R1
SYMATTR Value 0.18
SYMBOL Misc\\EuropeanResistor 880 432 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value 0.18
SYMBOL Misc\\EuropeanResistor 240 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R3
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 368 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R4
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 496 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R5
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 624 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R6
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 752 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R7
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 880 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R8
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 240 880 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R12
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 368 880 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R13
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 496 880 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R14
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 624 880 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R16
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 752 880 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R17
SYMATTR Value 0.22
SYMBOL Misc\\EuropeanResistor 880 880 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R18
SYMATTR Value 0.22
SYMBOL npn -512 656 R0
SYMATTR InstName Q15
SYMATTR Value 2N2222
SYMBOL pnp -512 -16 M180
WINDOW 0 54 32 Left 2
WINDOW 3 56 69 Left 2
SYMATTR InstName Q16
SYMATTR Value 2N2907
SYMBOL Misc\\EuropeanResistor -432 112 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 48 Left 2
SYMATTR InstName R11
SYMATTR Value 390
SYMBOL Misc\\EuropeanResistor -432 640 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R15
SYMATTR Value 390
SYMBOL diode -464 224 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -464 352 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -432 896 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R20
SYMATTR Value 220
SYMBOL diode -624 768 R0
SYMATTR InstName D3
SYMATTR Value rot52
SYMBOL Misc\\EuropeanResistor -432 -144 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R21
SYMATTR Value 220
SYMBOL diode -624 -192 R0
SYMATTR InstName D4
SYMATTR Value rot52
SYMBOL Misc\\EuropeanResistor -592 240 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R22
SYMATTR Value 47K
SYMBOL Misc\\EuropeanResistor 672 176 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R23
SYMATTR Value 120
SYMBOL Misc\\EuropeanResistor 624 256 R0
SYMATTR InstName R24
SYMATTR Value 2.2K
SYMBOL diode 32 624 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL diode -32 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -2 34 VBottom 2
SYMATTR InstName D6
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -272 416 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R25
SYMATTR Value 8.2
SYMBOL pnp -224 528 R180
WINDOW 0 54 32 Left 2
WINDOW 3 56 69 Left 2
SYMATTR InstName Q17
SYMATTR Value 2N2907
SYMBOL npn -224 64 M0
SYMATTR InstName Q18
SYMATTR Value 2N2222
SYMBOL cap -688 -192 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL cap -704 752 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL Misc\\EuropeanResistor -992 144 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL Misc\\EuropeanResistor -864 144 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 18K
SYMBOL Misc\\EuropeanResistor 672 448 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R26
SYMATTR Value 120
SYMBOL diode -304 208 R0
SYMATTR InstName D7
SYMATTR Value rot52
SYMBOL pnp 128 208 R180
WINDOW 0 54 32 Left 2
WINDOW 3 56 69 Left 2
SYMATTR InstName Q19
SYMATTR Value 2N2907
SYMBOL npn 128 384 M0
SYMATTR InstName Q20
SYMATTR Value 2N2222
SYMBOL Misc\\EuropeanResistor -128 -48 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R27
SYMATTR Value 15K
SYMBOL Misc\\EuropeanResistor -128 800 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R28
SYMATTR Value 15K
TEXT 448 1024 Left 2 !;ac oct 20 1 100meg
TEXT 448 1000 Left 2 !.tran 0 20m 15m
TEXT 448 1048 Left 2 !;dc temp 0 100 1
TEXT 448 1080 Left 2 !.model rot52 D(Ron=40 Roff=1G Vfwd=1.8)