Version 4
SHEET 1 1004 744
WIRE 160 -208 -80 -208
WIRE 608 -208 160 -208
WIRE 0 -160 -176 -160
WIRE 416 -160 0 -160
WIRE 496 -160 416 -160
WIRE 944 -160 496 -160
WIRE -176 -128 -176 -160
WIRE -80 -128 -80 -208
WIRE 160 -128 160 -208
WIRE 0 -32 0 -160
WIRE 48 -32 0 -32
WIRE 160 -32 160 -64
WIRE 160 -32 128 -32
WIRE 192 -32 160 -32
WIRE 288 -32 272 -32
WIRE -176 -16 -176 -48
WIRE -80 -16 -80 -64
WIRE -80 -16 -176 -16
WIRE 496 0 496 -160
WIRE -176 16 -176 -16
WIRE 288 48 288 -32
WIRE 432 48 288 48
WIRE 288 80 288 48
WIRE -176 128 -176 96
WIRE 160 128 -176 128
WIRE 224 128 160 128
WIRE 496 128 496 96
WIRE 944 160 944 -160
WIRE 384 176 288 176
WIRE 496 240 496 208
WIRE 608 240 608 -208
WIRE 608 240 496 240
WIRE 640 240 608 240
WIRE 768 240 704 240
WIRE 496 272 496 240
WIRE 768 304 768 240
WIRE 416 320 416 -160
WIRE 416 320 288 320
WIRE -176 352 -176 128
WIRE 160 368 160 128
WIRE 224 368 160 368
WIRE -656 400 -704 400
WIRE -512 400 -592 400
WIRE -352 400 -432 400
WIRE -240 400 -352 400
WIRE 496 400 496 352
WIRE -704 448 -704 400
WIRE -352 448 -352 400
WIRE 288 448 288 416
WIRE 432 448 288 448
WIRE 48 496 0 496
WIRE 160 496 128 496
WIRE 192 496 160 496
WIRE 288 496 288 448
WIRE 288 496 272 496
WIRE 160 512 160 496
WIRE -704 592 -704 528
WIRE -176 592 -176 448
WIRE -176 592 -704 592
WIRE 0 592 0 496
WIRE 0 592 -176 592
WIRE 384 592 384 176
WIRE 384 592 0 592
WIRE 496 592 496 496
WIRE 496 592 384 592
WIRE 768 592 768 384
WIRE 768 592 496 592
WIRE 944 592 944 240
WIRE 944 592 768 592
WIRE 496 656 496 592
WIRE -352 736 -352 528
WIRE 160 736 160 576
WIRE 160 736 -352 736
WIRE 608 736 608 240
WIRE 608 736 160 736
FLAG 496 656 0
SYMBOL pnp 432 496 M180
SYMATTR InstName Q1
SYMATTR Value BD140
SYMBOL npn 432 0 R0
SYMATTR InstName Q2
SYMATTR Value BD139
SYMBOL cap 704 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1000µ
SYMBOL res 752 288 R0
SYMATTR InstName R1
SYMATTR Value 8
SYMBOL voltage 944 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -704 432 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 0.28 400)
SYMBOL npn -240 352 R0
SYMATTR InstName Q3
SYMATTR Value BC547C
SYMBOL cap -592 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1µ
SYMBOL Misc\\EuropeanResistor -416 384 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 82K
SYMBOL Misc\\EuropeanResistor -368 432 R0
SYMATTR InstName R3
SYMATTR Value 22e5
SYMBOL Misc\\EuropeanResistor -192 0 R0
SYMATTR InstName R4
SYMATTR Value 2K2
SYMBOL npn 224 320 R0
SYMATTR InstName Q4
SYMATTR Value BC547C
SYMBOL pnp 224 176 M180
SYMATTR InstName Q5
SYMATTR Value BC557C
SYMBOL Misc\\EuropeanResistor 480 112 R0
SYMATTR InstName R6
SYMATTR Value 0.47
SYMBOL Misc\\EuropeanResistor 480 256 R0
SYMATTR InstName R7
SYMATTR Value 0.47
SYMBOL Misc\\EuropeanResistor 288 -48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 288 480 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 144 -48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 220
SYMBOL Misc\\EuropeanResistor 144 480 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 220
SYMBOL cap 144 512 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL cap 144 -128 R0
SYMATTR InstName C4
SYMATTR Value 100µ
SYMBOL Misc\\EuropeanResistor -192 -144 R0
SYMATTR InstName R11
SYMATTR Value 2K7
SYMBOL cap -96 -128 R0
SYMATTR InstName C5
SYMATTR Value 47µ
TEXT -288 616 Left 2 !.tran 0 60m 50m