Version 4
SHEET 1 1308 1708
WIRE 352 16 224 16
WIRE 480 16 352 16
WIRE 608 16 480 16
WIRE 736 16 608 16
WIRE 864 16 736 16
WIRE 880 16 864 16
WIRE -304 80 -320 80
WIRE -128 80 -144 80
WIRE 128 144 128 128
WIRE 160 144 128 144
WIRE 288 144 160 144
WIRE 416 144 288 144
WIRE 544 144 416 144
WIRE 672 144 544 144
WIRE 800 144 672 144
WIRE -224 160 -224 80
WIRE -144 160 -144 80
WIRE -144 160 -160 160
WIRE 0 160 0 144
WIRE 48 160 48 144
WIRE 48 160 0 160
WIRE 0 176 0 160
WIRE 48 192 48 160
WIRE 64 192 48 192
WIRE 352 192 224 192
WIRE 480 192 352 192
WIRE 608 192 480 192
WIRE 736 192 608 192
WIRE 864 192 736 192
WIRE -224 256 -224 160
WIRE -192 256 -224 256
WIRE -96 272 -96 256
WIRE -96 272 -128 272
WIRE 0 272 0 240
WIRE 0 272 -96 272
WIRE 128 272 128 240
WIRE 864 272 128 272
WIRE 976 272 864 272
WIRE 992 272 976 272
WIRE -192 288 -224 288
WIRE 0 304 0 272
WIRE 128 304 128 272
WIRE 64 352 48 352
WIRE 352 352 224 352
WIRE 480 352 352 352
WIRE 608 352 480 352
WIRE 736 352 608 352
WIRE 864 352 736 352
WIRE 0 384 0 368
WIRE 48 384 48 352
WIRE 48 384 0 384
WIRE 0 400 0 384
WIRE 48 400 48 384
WIRE 160 400 128 400
WIRE 288 400 160 400
WIRE 416 400 288 400
WIRE 544 400 416 400
WIRE 672 400 544 400
WIRE 800 400 672 400
WIRE 128 416 128 400
WIRE 352 528 224 528
WIRE 480 528 352 528
WIRE 608 528 480 528
WIRE 736 528 608 528
WIRE 864 528 736 528
WIRE 880 528 864 528
WIRE 48 656 -32 656
WIRE 80 656 48 656
WIRE 160 656 160 640
WIRE 160 656 128 656
WIRE 48 672 48 656
WIRE 80 672 80 656
WIRE 160 672 160 656
WIRE 80 752 80 736
WIRE 128 752 128 656
WIRE 128 752 80 752
WIRE -32 768 -32 736
WIRE 160 768 160 736
WIRE 160 768 -32 768
WIRE 176 768 160 768
WIRE 304 768 304 752
WIRE 320 768 304 768
WIRE 48 784 48 736
WIRE 128 784 48 784
WIRE 304 784 304 768
WIRE -32 800 -32 768
WIRE 48 800 48 784
WIRE 80 800 80 752
WIRE 160 800 160 768
WIRE 48 880 48 864
WIRE 48 880 -32 880
WIRE 80 880 80 864
WIRE 80 880 48 880
WIRE 128 880 128 784
WIRE 160 880 160 864
WIRE 160 880 128 880
WIRE 160 896 160 880
FLAG 560 752 0
FLAG 560 672 IN
FLAG -320 80 0
FLAG -128 80 OUT
FLAG -224 288 IN
FLAG -96 256 OP
FLAG 992 272 OUT
FLAG 976 352 0
FLAG 160 640 VCC
FLAG 160 896 VDD
FLAG 320 768 0
FLAG 304 672 +45
FLAG 304 864 -45
FLAG 0 64 +45
FLAG 0 480 -45
FLAG 176 768 0
FLAG -160 240 +45
FLAG -160 304 -45
FLAG 48 144 Q1
FLAG 48 400 Q2
FLAG 880 16 VCC
FLAG 880 528 VDD
FLAG 128 128 Q3
FLAG 128 416 Q4
SYMBOL npn 64 144 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL pnp 160 192 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q3
SYMATTR Value 2SAR542P
SYMBOL res 208 0 R0
SYMATTR InstName R2
SYMATTR Value {R}
SYMBOL voltage 560 656 M0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 1.4 1 0.5)
SYMBOL Opamps\\OP27 -160 208 R0
SYMATTR InstName U1
SYMBOL res -128 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 19k
SYMBOL res -208 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL res 960 256 R0
SYMATTR InstName R19
SYMATTR Value 3
SYMBOL voltage -32 640 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V4
SYMATTR Value SINE(0 42 50)
SYMBOL diode 64 736 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL diode 64 672 R0
SYMATTR InstName D5
SYMBOL diode 64 800 M0
SYMATTR InstName D6
SYMBOL diode 64 864 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMBOL voltage -32 784 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V5
SYMATTR Value SINE(0 42 50)
SYMBOL cap 144 672 R0
SYMATTR InstName C1
SYMATTR Value 40m
SYMBOL cap 144 864 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 40m
SYMBOL cap -160 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 1p
SYMBOL pnp 288 192 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q5
SYMATTR Value 2SAR542P
SYMBOL res 336 0 R0
SYMATTR InstName R3
SYMATTR Value {R}
SYMBOL pnp 416 192 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q7
SYMATTR Value 2SAR542P
SYMBOL res 464 0 R0
SYMATTR InstName R13
SYMATTR Value {R}
SYMBOL pnp 544 192 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q9
SYMATTR Value 2SAR542P
SYMBOL res 592 0 R0
SYMATTR InstName R18
SYMATTR Value {R}
SYMBOL pnp 64 400 M180
WINDOW 0 54 32 Left 2
WINDOW 3 56 69 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL npn 160 352 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q4
SYMATTR Value 2SCR542P
SYMBOL res 208 432 R0
SYMATTR InstName R5
SYMATTR Value {R}
SYMBOL res 336 432 R0
SYMATTR InstName R6
SYMATTR Value {R}
SYMBOL res 464 432 R0
SYMATTR InstName R7
SYMATTR Value {R}
SYMBOL res 592 432 R0
SYMATTR InstName R8
SYMATTR Value {R}
SYMBOL res 16 48 M0
SYMATTR InstName R15
SYMATTR Value 5k
SYMBOL res 16 384 M0
SYMATTR InstName R11
SYMATTR Value 5k
SYMBOL voltage 304 656 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 45
SYMBOL voltage 304 768 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 45
SYMBOL npn 288 352 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q6
SYMATTR Value 2SCR542P
SYMBOL npn 416 352 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q8
SYMATTR Value 2SCR542P
SYMBOL npn 544 352 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q10
SYMATTR Value 2SCR542P
SYMBOL pnp 672 192 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q11
SYMATTR Value 2SAR542P
SYMBOL res 720 0 R0
SYMATTR InstName R1
SYMATTR Value {R}
SYMBOL pnp 800 192 M180
WINDOW 0 30 35 Left 2
WINDOW 3 24 63 Left 2
SYMATTR InstName Q12
SYMATTR Value 2SAR542P
SYMBOL res 848 0 R0
SYMATTR InstName R4
SYMATTR Value {R}
SYMBOL res 720 432 R0
SYMATTR InstName R16
SYMATTR Value {R}
SYMBOL res 848 432 R0
SYMATTR InstName R17
SYMATTR Value {R}
SYMBOL npn 672 352 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q13
SYMATTR Value 2SCR542P
SYMBOL npn 800 352 R0
WINDOW 0 33 33 Left 2
WINDOW 3 23 68 Left 2
SYMATTR InstName Q14
SYMATTR Value 2SCR542P
SYMBOL diode 16 176 M0
SYMATTR InstName D1
SYMBOL diode 16 304 M0
SYMATTR InstName D2
SYMBOL res 848 176 R0
SYMATTR InstName R12
SYMATTR Value 0.1
SYMBOL res 848 256 R0
SYMATTR InstName R14
SYMATTR Value 0.1
TEXT 448 920 Left 2 !;ac oct 20 1 100meg
TEXT 448 824 Left 2 !.tran 2.5
TEXT 448 944 Left 2 !;dc temp 0 100 1
TEXT 448 848 Left 2 !.temp 0 50 100
TEXT 448 872 Left 2 !.params R=1