Version 4
SHEET 1 880 2372
WIRE -3792 -336 -3920 -336
WIRE -3600 -336 -3792 -336
WIRE -2928 -336 -3600 -336
WIRE -2736 -336 -2928 -336
WIRE -1760 -336 -2736 -336
WIRE -3792 -304 -3792 -336
WIRE -3600 -304 -3600 -336
WIRE -2928 -288 -2928 -336
WIRE -2736 -288 -2736 -336
WIRE -1760 -240 -1760 -336
WIRE -1760 -240 -1872 -240
WIRE -1936 -192 -2048 -192
WIRE -1760 -192 -1760 -240
WIRE -3792 -176 -3792 -224
WIRE -3248 -176 -3792 -176
WIRE -3792 -144 -3792 -176
WIRE -3600 -144 -3600 -224
WIRE -2736 -144 -2736 -208
WIRE -2736 -144 -2848 -144
WIRE -2240 -144 -2736 -144
WIRE -1824 -144 -1872 -144
WIRE -4416 -96 -4560 -96
WIRE -4272 -96 -4352 -96
WIRE -4144 -96 -4192 -96
WIRE -3856 -96 -4144 -96
WIRE -3312 -96 -3536 -96
WIRE -3120 -96 -3136 -96
WIRE -2928 -96 -2928 -208
WIRE -2928 -96 -3056 -96
WIRE -2848 -96 -2848 -144
WIRE -2736 -64 -2736 -144
WIRE -2048 -64 -2048 -192
WIRE -4144 -32 -4144 -96
WIRE -1760 -32 -1760 -96
WIRE -2928 -16 -2928 -96
WIRE -2848 -16 -2848 -32
WIRE -2848 -16 -2928 -16
WIRE -2800 -16 -2848 -16
WIRE -2240 48 -2240 -144
WIRE -2048 48 -2048 16
WIRE -2048 48 -2240 48
WIRE -3792 64 -3792 -48
WIRE -3696 64 -3792 64
WIRE -3600 64 -3600 -48
WIRE -3600 64 -3696 64
WIRE -1760 64 -1760 48
WIRE -1456 64 -1760 64
WIRE -1296 64 -1392 64
WIRE -2048 80 -2048 48
WIRE -1760 80 -1760 64
WIRE -3248 96 -3248 -176
WIRE -2992 96 -3248 96
WIRE -3696 192 -3696 64
WIRE -1760 224 -1760 160
WIRE -2928 240 -2928 -16
WIRE -1296 240 -1296 144
WIRE -2736 256 -2736 32
WIRE -1824 272 -1856 272
WIRE -2048 320 -2048 160
WIRE -1920 320 -2048 320
WIRE -1760 368 -1760 320
WIRE -1760 368 -1856 368
WIRE -944 432 -944 400
WIRE -800 432 -800 400
WIRE -672 432 -672 400
WIRE -544 432 -544 400
WIRE -3696 448 -3696 272
WIRE -3696 448 -3952 448
WIRE -2928 448 -2928 320
WIRE -2928 448 -3696 448
WIRE -2736 448 -2736 336
WIRE -2736 448 -2928 448
WIRE -1760 448 -1760 368
WIRE -1760 448 -2736 448
WIRE -4144 480 -4144 48
WIRE -944 544 -944 512
WIRE -800 544 -800 512
WIRE -672 544 -672 512
WIRE -544 544 -544 512
WIRE -3312 704 -3312 -96
WIRE -3264 704 -3312 704
WIRE -1600 704 -1600 96
WIRE -1600 704 -3184 704
WIRE -3312 768 -3312 704
WIRE -3312 880 -3312 848
WIRE -3312 976 -3312 944
FLAG -944 544 0
FLAG -544 544 0
FLAG -544 400 VS+
FLAG -672 544 0
FLAG -672 400 VS-
FLAG -1296 240 0
FLAG -3920 -336 VS+
FLAG -3952 448 VS-
FLAG -944 400 VIN
FLAG -4560 -96 VIN
FLAG -3312 976 0
FLAG -4144 480 0
FLAG -3136 -96 V_TEST
FLAG -800 544 0
FLAG -800 400 V_TEST
SYMBOL voltage -544 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 42
SYMBOL Misc\\signal -944 416 R0
WINDOW 0 -67 60 Left 2
WINDOW 3 3 172 VRight 2
WINDOW 123 31 172 VRight 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 1000)
SYMATTR Value2 AC 0.5
SYMBOL cap -1392 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1000µ
SYMBOL res -1280 160 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R_L
SYMATTR Value 8
SYMBOL voltage -672 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -42
SYMBOL npn -2800 -64 R0
SYMATTR InstName Q1
SYMATTR Value BC546B
SYMBOL res -2944 -304 R0
SYMATTR InstName R5
SYMATTR Value 3k
SYMBOL res -2752 -304 R0
SYMATTR InstName RC1
SYMATTR Value 842
SYMBOL res -2944 224 R0
SYMATTR InstName R6
SYMATTR Value 30
SYMBOL npn -3856 -144 R0
WINDOW 0 54 32 Left 2
WINDOW 3 52 69 Left 2
SYMATTR InstName Q2
SYMATTR Value BC546B
SYMBOL npn -3536 -144 M0
WINDOW 0 54 32 Left 2
WINDOW 3 51 65 Left 2
SYMATTR InstName Q3
SYMATTR Value BC546B
SYMBOL res -3776 -208 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R17
SYMATTR Value 220
SYMBOL res -3584 -208 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R19
SYMATTR Value 220
SYMBOL res -3680 288 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R20
SYMATTR Value 220k
SYMBOL res -3328 752 R0
SYMATTR InstName RC2
SYMATTR Value 1k
SYMBOL res -3168 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RC3
SYMATTR Value 24k
SYMBOL res -4176 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 2k2
SYMBOL res -4128 64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 22k
SYMBOL cap -4352 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4.7µ
SYMBOL cap -3296 944 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C4
SYMATTR Value 100µ
SYMBOL res -2752 240 R0
SYMATTR InstName RC4
SYMATTR Value 2
SYMBOL cap -2864 -96 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL res -1744 64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R_L2
SYMATTR Value 0.3
SYMBOL res -1744 176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R_L3
SYMATTR Value 0.3
SYMBOL npn -1936 -240 R0
WINDOW 0 48 -7 Right 2
WINDOW 3 8 80 Right 2
SYMATTR InstName Q7
SYMATTR Value 2N3904
SYMBOL pnp -1920 368 M180
WINDOW 0 48 109 Right 2
WINDOW 3 9 64 Right 2
SYMATTR InstName Q8
SYMATTR Value 2N3906
SYMBOL cap -3056 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL voltage -2048 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 1
SYMBOL voltage -2048 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V9
SYMATTR Value 1
SYMBOL Misc\\signal -800 416 R0
WINDOW 0 -67 60 Left 2
WINDOW 3 3 172 VRight 2
WINDOW 123 31 172 VRight 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V10
SYMATTR Value SINE(0 0.1 1000)
SYMATTR Value2 AC 0.5
SYMBOL npn -1824 -192 R0
WINDOW 0 48 -7 Right 2
WINDOW 3 130 56 Right 2
SYMATTR InstName Q9
SYMATTR Value 2SCR544P
SYMBOL pnp -1824 320 M180
WINDOW 0 48 109 Right 2
WINDOW 3 129 44 Right 2
SYMATTR InstName Q10
SYMATTR Value 2SAR544P
TEXT -912 32 Left 2 !.tran 0.01
TEXT -920 72 Left 2 !;ac lin 1000 10 20000
TEXT -1656 80 Left 2 ;Verbinden
TEXT -3088 80 Left 2 ;Verbinden
TEXT -3048 -112 Left 2 ;Entfernen
TEXT -3760 552 Left 2 ;Differenzverstärker
TEXT -2896 560 Left 2 ;Spannungsverstärker
TEXT -1984 560 Left 2 ;Stromverstärker
TEXT -2504 1064 Left 2 ;Feedback
RECTANGLE Normal -3520 528 -3872 -400 2
RECTANGLE Normal -2640 528 -2960 -384 2
RECTANGLE Normal -1680 528 -2112 -384 2
RECTANGLE Normal -1504 1024 -3408 624 2