Version 4
SHEET 1 1704 916
WIRE 1408 -672 96 -672
WIRE 624 -592 464 -592
WIRE 784 -592 624 -592
WIRE 944 -592 784 -592
WIRE 1104 -592 944 -592
WIRE 1264 -592 1264 -608
WIRE 1264 -592 1104 -592
WIRE 464 -576 464 -592
WIRE 624 -576 624 -592
WIRE 784 -576 784 -592
WIRE 944 -576 944 -592
WIRE 1104 -576 1104 -592
WIRE 1264 -576 1264 -592
WIRE -112 -496 -128 -496
WIRE -16 -496 -32 -496
WIRE 0 -496 -16 -496
WIRE 96 -496 96 -672
WIRE 96 -496 80 -496
WIRE -128 -480 -128 -496
WIRE 208 -480 208 -496
WIRE 256 -480 208 -480
WIRE 208 -464 208 -480
WIRE 464 -464 464 -496
WIRE 624 -464 624 -496
WIRE 784 -464 784 -496
WIRE 944 -464 944 -496
WIRE 1104 -464 1104 -496
WIRE 1264 -464 1264 -496
WIRE 400 -416 352 -416
WIRE 560 -416 400 -416
WIRE 720 -416 560 -416
WIRE 880 -416 720 -416
WIRE 1040 -416 880 -416
WIRE 1200 -416 1040 -416
WIRE -16 -400 -16 -496
WIRE 0 -400 -16 -400
WIRE 96 -400 96 -496
WIRE 96 -400 64 -400
WIRE 208 -368 208 -384
WIRE 208 -368 128 -368
WIRE 256 -368 256 -480
WIRE 288 -368 256 -368
WIRE 208 -352 208 -368
WIRE 464 -352 464 -368
WIRE 624 -352 624 -368
WIRE 624 -352 464 -352
WIRE 784 -352 784 -368
WIRE 784 -352 624 -352
WIRE 944 -352 944 -368
WIRE 944 -352 784 -352
WIRE 1104 -352 1104 -368
WIRE 1104 -352 944 -352
WIRE 1264 -352 1264 -368
WIRE 1264 -352 1104 -352
WIRE 1264 -336 1264 -352
WIRE 464 -320 464 -352
WIRE 464 -320 352 -320
WIRE 128 -304 128 -368
WIRE 144 -304 128 -304
WIRE -16 -256 -16 -400
WIRE 0 -256 -16 -256
WIRE 208 -240 208 -256
WIRE 208 -240 64 -240
WIRE 224 -240 208 -240
WIRE 1264 -240 1264 -256
WIRE 1408 -240 1408 -672
WIRE 1408 -240 1264 -240
WIRE 1504 -240 1408 -240
WIRE 1520 -240 1504 -240
WIRE -16 -224 -32 -224
WIRE 0 -224 -16 -224
WIRE 208 -224 208 -240
WIRE 1264 -224 1264 -240
WIRE 1408 -224 1408 -240
WIRE 1504 -224 1504 -240
WIRE 144 -176 128 -176
WIRE 464 -160 352 -160
WIRE -16 -144 -16 -224
WIRE 464 -128 464 -160
WIRE 624 -128 464 -128
WIRE 784 -128 624 -128
WIRE 944 -128 784 -128
WIRE 1104 -128 944 -128
WIRE 1264 -128 1264 -144
WIRE 1264 -128 1104 -128
WIRE 1504 -128 1504 -144
WIRE 128 -112 128 -176
WIRE 208 -112 208 -128
WIRE 208 -112 128 -112
WIRE 288 -112 256 -112
WIRE 464 -112 464 -128
WIRE 624 -112 624 -128
WIRE 784 -112 784 -128
WIRE 944 -112 944 -128
WIRE 1104 -112 1104 -128
WIRE 1264 -112 1264 -128
WIRE 1408 -112 1408 -144
WIRE 208 -96 208 -112
WIRE 400 -64 352 -64
WIRE 560 -64 400 -64
WIRE 720 -64 560 -64
WIRE 880 -64 720 -64
WIRE 1040 -64 880 -64
WIRE 1200 -64 1040 -64
WIRE -16 -48 -16 -64
WIRE 1408 -32 1408 -48
WIRE 208 0 208 -16
WIRE 256 0 256 -112
WIRE 256 0 208 0
WIRE 208 16 208 0
WIRE 464 16 464 -16
WIRE 624 16 624 -16
WIRE 784 16 784 -16
WIRE 944 16 944 -16
WIRE 1104 16 1104 -16
WIRE 1264 16 1264 -16
WIRE 464 112 464 96
WIRE 624 112 624 96
WIRE 624 112 464 112
WIRE 784 112 784 96
WIRE 784 112 624 112
WIRE 944 112 944 96
WIRE 944 112 784 112
WIRE 1104 112 1104 96
WIRE 1104 112 944 112
WIRE 1264 112 1264 96
WIRE 1264 112 1104 112
WIRE 1264 128 1264 112
WIRE 624 240 624 224
WIRE 768 240 624 240
WIRE 848 240 768 240
WIRE 848 256 848 240
WIRE 768 288 768 240
WIRE 848 352 848 336
WIRE 352 384 256 384
WIRE 400 384 352 384
WIRE 496 384 496 368
WIRE 496 384 448 384
WIRE 256 400 256 384
WIRE 624 400 624 240
WIRE 768 400 768 352
WIRE 784 400 768 400
WIRE 352 416 352 384
WIRE 400 416 400 384
WIRE 496 416 496 384
WIRE 768 416 768 400
WIRE 880 448 848 448
WIRE 400 496 400 480
WIRE 448 496 448 384
WIRE 448 496 400 496
WIRE 256 512 256 480
WIRE 496 512 496 480
WIRE 496 512 256 512
WIRE 624 512 624 480
WIRE 624 512 496 512
WIRE 768 512 768 496
WIRE 768 512 624 512
WIRE 816 512 768 512
WIRE 352 528 352 480
WIRE 448 528 352 528
WIRE 768 528 768 512
WIRE 256 544 256 512
WIRE 352 544 352 528
WIRE 400 544 400 496
WIRE 496 544 496 512
WIRE 624 544 624 512
WIRE 880 576 848 576
WIRE 768 624 768 608
WIRE 784 624 768 624
WIRE 256 640 256 624
WIRE 352 640 352 608
WIRE 352 640 256 640
WIRE 400 640 400 608
WIRE 400 640 352 640
WIRE 448 640 448 528
WIRE 496 640 496 608
WIRE 496 640 448 640
WIRE 496 656 496 640
WIRE 768 672 768 624
WIRE 848 688 848 672
WIRE 624 784 624 624
WIRE 768 784 768 736
WIRE 768 784 624 784
WIRE 848 784 848 768
WIRE 848 784 768 784
WIRE 624 800 624 784
FLAG -128 -480 0
FLAG 1264 -608 VCC
FLAG 1264 128 VDD
FLAG -16 -48 0
FLAG 1408 -32 0
FLAG 1504 -128 0
FLAG 816 512 0
FLAG 496 368 VCC
FLAG 496 656 VDD
FLAG 32 -208 VDD2
FLAG 32 -272 VCC2
FLAG 624 800 VDD2
FLAG -32 -224 IN
FLAG 224 -240 OP
FLAG 1520 -240 OUT
FLAG 208 -496 Q1
FLAG 208 16 Q2
FLAG 624 224 VCC2
FLAG 880 448 Q1
FLAG 880 576 Q2
SYMBOL npn 144 -352 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL pnp 144 -128 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL res 224 -480 M0
SYMATTR InstName R1
SYMATTR Value {R}
SYMBOL res 224 -112 M0
SYMATTR InstName R2
SYMATTR Value {R}
SYMBOL npn 288 -416 R0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL pnp 288 -64 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q4
SYMATTR Value 2N2907
SYMBOL pnp 400 -368 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q5
SYMATTR Value 2SAR542P
SYMBOL npn 400 -112 R0
SYMATTR InstName Q6
SYMATTR Value 2SCR542P
SYMBOL res 480 -592 M0
SYMATTR InstName R5
SYMATTR Value 0.22
SYMBOL res 480 0 M0
SYMATTR InstName R6
SYMATTR Value 0.22
SYMBOL pnp 560 -368 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q7
SYMATTR Value 2SAR542P
SYMBOL npn 560 -112 R0
SYMATTR InstName Q8
SYMATTR Value 2SCR542P
SYMBOL res 640 -592 M0
SYMATTR InstName R7
SYMATTR Value 0.22
SYMBOL res 640 0 M0
SYMATTR InstName R8
SYMATTR Value 0.22
SYMBOL pnp 720 -368 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q9
SYMATTR Value 2SAR542P
SYMBOL npn 720 -112 R0
SYMATTR InstName Q10
SYMATTR Value 2SCR542P
SYMBOL res 800 -592 M0
SYMATTR InstName R9
SYMATTR Value 0.22
SYMBOL res 800 0 M0
SYMATTR InstName R10
SYMATTR Value 0.22
SYMBOL pnp 880 -368 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q11
SYMATTR Value 2SAR542P
SYMBOL npn 880 -112 R0
SYMATTR InstName Q12
SYMATTR Value 2SCR542P
SYMBOL res 960 -592 M0
SYMATTR InstName R11
SYMATTR Value 0.22
SYMBOL res 960 0 M0
SYMATTR InstName R12
SYMATTR Value 0.22
SYMBOL pnp 1040 -368 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q13
SYMATTR Value 2SAR542P
SYMBOL npn 1040 -112 R0
SYMATTR InstName Q14
SYMATTR Value 2SCR542P
SYMBOL res 1120 -592 M0
SYMATTR InstName R13
SYMATTR Value 0.22
SYMBOL res 1120 0 M0
SYMATTR InstName R14
SYMATTR Value 0.22
SYMBOL pnp 1200 -368 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q15
SYMATTR Value 2SAR542P
SYMBOL npn 1200 -112 R0
SYMATTR InstName Q16
SYMATTR Value 2SCR542P
SYMBOL res 1280 -592 M0
SYMATTR InstName R15
SYMATTR Value 0.22
SYMBOL res 1280 0 M0
SYMATTR InstName R16
SYMATTR Value 0.22
SYMBOL Opamps\\OP27 32 -304 R0
SYMATTR InstName U1
SYMBOL res -16 -480 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R21
SYMATTR Value 19k
SYMBOL res -128 -480 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R22
SYMATTR Value 1k
SYMBOL cap 64 -384 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1p
SYMBOL res 1392 -240 R0
SYMATTR InstName R19
SYMATTR Value 10
SYMBOL res 1488 -240 R0
SYMATTR InstName R20
SYMATTR Value 4
SYMBOL cap 1392 -112 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL voltage -16 -160 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 1.4 1 0.5)
SYMBOL voltage 256 384 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V2
SYMATTR Value SINE(0 42 50)
SYMBOL voltage 256 528 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V3
SYMATTR Value SINE(0 42 50)
SYMBOL diode 368 480 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMBOL diode 384 608 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL diode 368 544 M0
SYMATTR InstName D3
SYMBOL diode 384 416 R0
SYMATTR InstName D2
SYMBOL cap 480 416 R0
SYMATTR InstName C3
SYMATTR Value 40m
SYMBOL cap 480 544 R0
SYMATTR InstName C4
SYMATTR Value 40m
SYMBOL voltage 624 384 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 37
SYMBOL voltage 624 528 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 37
SYMBOL res 1248 -352 R0
SYMATTR InstName R17
SYMATTR Value 0.22
SYMBOL res 1248 -240 R0
SYMATTR InstName R18
SYMATTR Value 0.22
SYMBOL pnp 784 448 M180
WINDOW 0 55 32 Left 2
WINDOW 3 55 69 Left 2
SYMATTR InstName Q17
SYMATTR Value 2N2907
SYMBOL LED 784 288 M0
SYMATTR InstName D5
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 832 240 R0
SYMATTR InstName R3
SYMATTR Value 200
SYMBOL res 784 400 M0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 832 784 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R23
SYMATTR Value 200
SYMBOL res 784 624 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R24
SYMATTR Value 10k
SYMBOL LED 784 672 M0
SYMATTR InstName D6
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL npn 784 576 R0
SYMATTR InstName Q18
SYMATTR Value 2N2222
TEXT 992 520 Left 2 !.tran 0 2.5
TEXT 992 568 Left 2 !.temp 25 50 75 100
TEXT 992 544 Left 2 !.param R 200