Version 4
SHEET 1 2052 1380
WIRE 128 -112 -32 -112
WIRE 224 -112 128 -112
WIRE 320 -112 224 -112
WIRE 576 -112 320 -112
WIRE 736 -112 576 -112
WIRE 1136 -112 736 -112
WIRE 1280 -112 1136 -112
WIRE -32 -48 -32 -112
WIRE 576 -48 576 -112
WIRE 736 -48 736 -112
WIRE 1280 0 1280 -112
WIRE 128 32 128 -112
WIRE 224 32 224 -112
WIRE 576 48 576 32
WIRE 864 48 576 48
WIRE 1040 48 944 48
WIRE 1216 48 1040 48
WIRE 736 80 736 32
WIRE 864 80 736 80
WIRE 576 96 576 48
WIRE 736 96 736 80
WIRE 1312 96 1280 96
WIRE 1504 96 1312 96
WIRE 1312 128 1312 96
WIRE 512 144 -320 144
WIRE 832 144 800 144
WIRE 128 192 128 96
WIRE 128 192 80 192
WIRE 224 192 224 112
WIRE 224 192 128 192
WIRE 832 192 832 144
WIRE 1504 192 1504 96
WIRE -320 208 -320 144
WIRE 80 240 80 192
WIRE 128 272 128 192
WIRE 224 272 224 192
WIRE -320 304 -320 288
WIRE 576 304 576 192
WIRE 608 304 576 304
WIRE 736 304 736 192
WIRE 736 304 688 304
WIRE 1136 320 1136 -112
WIRE 320 336 320 -112
WIRE 400 336 320 336
WIRE 400 352 400 336
WIRE 864 368 864 80
WIRE 880 368 864 368
WIRE 976 368 960 368
WIRE 1072 368 976 368
WIRE 976 480 976 368
WIRE 976 480 880 480
WIRE 576 544 576 304
WIRE 736 544 736 304
WIRE 880 544 880 480
WIRE 1040 544 1040 48
WIRE 1136 544 1136 416
WIRE 1200 544 1136 544
WIRE 1504 544 1504 272
WIRE 1504 544 1200 544
WIRE 400 592 400 432
WIRE 400 592 288 592
WIRE 512 592 400 592
WIRE 672 592 512 592
WIRE 816 592 672 592
WIRE 976 592 816 592
WIRE 1200 592 1200 544
WIRE 400 624 400 592
WIRE 288 656 288 592
WIRE 576 656 576 640
WIRE 736 656 736 640
WIRE 880 656 880 640
WIRE 1040 656 1040 640
WIRE 400 720 400 688
WIRE -32 800 -32 32
WIRE 128 800 128 336
WIRE 128 800 -32 800
WIRE 224 800 224 352
WIRE 224 800 128 800
WIRE 288 800 288 720
WIRE 288 800 224 800
WIRE 400 800 400 784
WIRE 400 800 288 800
WIRE 576 800 576 736
WIRE 576 800 400 800
WIRE 736 800 736 736
WIRE 736 800 576 800
WIRE 880 800 880 736
WIRE 880 800 736 800
WIRE 1040 800 1040 736
WIRE 1040 800 880 800
WIRE 1200 800 1200 672
WIRE 1200 800 1040 800
WIRE 1312 800 1312 208
WIRE 1312 800 1200 800
WIRE 784 976 672 976
WIRE 896 976 864 976
WIRE 992 976 976 976
WIRE 1120 976 992 976
WIRE 1200 976 1200 944
WIRE 1200 976 1120 976
WIRE 672 1008 672 976
WIRE 992 1008 992 976
WIRE 1120 1008 1120 976
WIRE 672 1120 672 1088
WIRE 992 1120 992 1072
WIRE 992 1120 672 1120
WIRE 1120 1120 1120 1088
WIRE 1120 1120 992 1120
WIRE 672 1136 672 1120
FLAG -320 304 0
FLAG 672 1136 0
FLAG 1184 1360 0
FLAG -320 144 Input
FLAG 576 48 C1
FLAG 736 80 C2
FLAG 1504 96 Out+
FLAG 1504 544 Out-
FLAG 832 192 0
FLAG 80 240 0
SYMBOL npn 512 96 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL npn 800 96 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL res 560 -64 R0
SYMATTR InstName R1
SYMATTR Value 3k
SYMBOL res 720 -64 R0
SYMATTR InstName R2
SYMATTR Value 3k
SYMBOL voltage -320 192 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.03 1000)
SYMATTR Value2 AC 1
SYMBOL npn 512 544 R0
SYMATTR InstName Q3
SYMATTR Value BC547B
SYMBOL res 560 640 R0
SYMATTR InstName R3
SYMATTR Value 400
SYMBOL res 384 336 R0
SYMATTR InstName R4
SYMATTR Value 25k
SYMBOL diode 384 624 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 384 720 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL voltage 672 992 R0
SYMATTR InstName V4
SYMATTR Value 0
SYMATTR Value2 AC 0.03
SYMBOL ind 768 992 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.8
SYMBOL res 992 960 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName 7160
SYMATTR Value 7160
SYMBOL cap 976 1008 R0
SYMATTR InstName C1
SYMATTR Value 130e-12
SYMBOL res 1104 992 R0
SYMATTR InstName R7
SYMATTR Value 500k
SYMBOL npn 1216 0 R0
SYMATTR InstName Q4
SYMATTR Value BC547B
SYMBOL npn 1072 320 R0
SYMATTR InstName Q5
SYMATTR Value BC547B
SYMBOL res 1296 112 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 1184 576 R0
WINDOW 3 40 71 Left 2
SYMATTR Value 1k
SYMATTR InstName R6
SYMBOL res 1488 176 R0
SYMATTR InstName Load
SYMATTR Value 500
SYMBOL voltage 1184 1264 R0
SYMATTR InstName V5
SYMATTR Value SINE(0 3.1104281V 1000 0 0 180)
SYMBOL npn 672 544 R0
SYMATTR InstName Q6
SYMATTR Value BC547B
SYMBOL res 720 640 R0
SYMATTR InstName R8
SYMATTR Value 400
SYMBOL res 704 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Gain
SYMATTR Value 1k
SYMBOL res 208 16 R0
SYMATTR InstName R9
SYMATTR Value 250k
SYMBOL res 208 256 R0
SYMATTR InstName R10
SYMATTR Value 250k
SYMBOL voltage -32 -64 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 112 32 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL cap 112 272 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL res 960 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 22K
SYMBOL res 976 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 22K
SYMBOL npn 816 544 R0
SYMATTR InstName Q7
SYMATTR Value BC547B
SYMBOL res 864 640 R0
SYMATTR InstName R13
SYMATTR Value 5K1
SYMBOL npn 976 544 R0
SYMATTR InstName Q8
SYMATTR Value BC547B
SYMBOL res 1024 640 R0
SYMATTR InstName R14
SYMATTR Value 5K1
SYMBOL cap 272 656 R0
SYMATTR InstName C4
SYMATTR Value 1µ
TEXT 1408 768 Left 2 !.tran 0.01s