Version 4
SHEET 1 1004 776
WIRE -560 -416 -672 -416
WIRE -176 -416 -560 -416
WIRE 320 -416 -176 -416
WIRE -672 -368 -672 -416
WIRE -176 -368 -176 -416
WIRE -560 -336 -560 -416
WIRE -672 -240 -672 -288
WIRE -176 -240 -176 -288
WIRE 320 -240 320 -416
WIRE -560 -192 -560 -256
WIRE -560 -192 -608 -192
WIRE -464 -192 -560 -192
WIRE -320 -192 -384 -192
WIRE -240 -192 -320 -192
WIRE -672 -112 -672 -144
WIRE -672 -112 -832 -112
WIRE -544 -112 -672 -112
WIRE -832 -80 -832 -112
WIRE -544 -80 -544 -112
WIRE -832 48 -832 0
WIRE -544 48 -544 0
WIRE -896 96 -1104 96
WIRE -416 96 -480 96
WIRE -176 96 -176 -144
WIRE -32 96 -176 96
WIRE 320 96 320 -160
WIRE 320 96 240 96
WIRE -320 128 -320 -192
WIRE -1104 144 -1104 96
WIRE -32 144 -32 96
WIRE -832 224 -832 144
WIRE -720 224 -832 224
WIRE -544 240 -544 144
WIRE -544 240 -656 240
WIRE -1104 272 -1104 224
WIRE -416 272 -416 96
WIRE -32 272 -32 224
WIRE 240 272 240 96
WIRE -832 304 -832 224
WIRE -544 304 -544 240
WIRE -656 352 -656 240
WIRE -656 352 -768 352
WIRE -608 352 -656 352
WIRE -720 448 -720 224
WIRE -320 448 -320 192
WIRE -320 448 -720 448
WIRE -832 480 -832 400
WIRE -544 480 -544 400
WIRE -176 496 -176 96
WIRE -320 544 -320 448
WIRE -240 544 -320 544
WIRE 320 544 320 96
WIRE -176 640 -176 592
WIRE -832 736 -832 560
WIRE -544 736 -544 560
WIRE -544 736 -832 736
WIRE -176 736 -176 720
WIRE -176 736 -544 736
WIRE 320 736 320 624
WIRE 320 736 -176 736
FLAG 240 272 0
FLAG -416 272 0
FLAG -32 272 0
FLAG -1104 272 0
FLAG -1104 96 mp1
FLAG -720 224 mp2
FLAG -32 96 mp3
SYMBOL voltage 320 528 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 45
SYMBOL voltage -1104 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 40m 400)
SYMBOL npn -240 496 R0
SYMATTR InstName Q7
SYMATTR Value BC547B
SYMBOL Misc\\EuropeanResistor -560 464 R0
WINDOW 0 -46 40 Left 2
WINDOW 3 -29 76 Left 2
SYMATTR InstName R10
SYMATTR Value 47
SYMBOL Misc\\EuropeanResistor -192 624 R0
SYMATTR InstName R17
SYMATTR Value 150
SYMBOL pnp -240 -144 M180
SYMATTR InstName Q6
SYMATTR Value BC557B
SYMBOL voltage -560 -352 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2.1
SYMBOL Misc\\EuropeanResistor -192 -384 R0
SYMATTR InstName R14
SYMATTR Value 150
SYMBOL pnp -608 -144 R180
SYMATTR InstName Q3
SYMATTR Value BC557B
SYMBOL Misc\\EuropeanResistor -688 -384 R0
SYMATTR InstName R8
SYMATTR Value 270
SYMBOL Misc\\EuropeanResistor -848 -96 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL Misc\\EuropeanResistor -560 -96 R0
SYMATTR InstName R9
SYMATTR Value 1K
SYMBOL pnp -480 144 R180
SYMATTR InstName Q5
SYMATTR Value BC557B
SYMBOL pnp -896 144 M180
SYMATTR InstName Q1
SYMATTR Value BC557B
SYMBOL npn -768 304 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL npn -608 304 R0
SYMATTR InstName Q4
SYMATTR Value BC547B
SYMBOL Misc\\EuropeanResistor -848 464 R0
SYMATTR InstName R7
SYMATTR Value 47
SYMBOL voltage 320 -256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 45
SYMBOL res -48 128 R0
SYMATTR InstName R1
SYMATTR Value 4K
SYMBOL Misc\\EuropeanResistor -368 -208 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap -336 128 R0
SYMATTR InstName C1
SYMATTR Value 100n
TEXT -288 760 Left 2 !.tran 0 160m 150m