* SPICE netlist
Q+ N009 + N005 0 BC557B
Q- N010 - N006 0 BC557B
R22 N009 -Vcc 2.2k
R3 +Vcc N004 3.3k
R4 +Vcc N001 2.2k
R1 - 0 470
V1 +Vcc 0 15
V2 0 -Vcc 15
R33 N010 -Vcc 100
Vin in 0 SINE(0 0.5 1k 0 0 0) AC 0.5
R2 out - 4.7k
R9 N007 N008 8k
R10 N008 out 120
Q2 +Vcc N001 N003 0 NPN
Q3 +Vcc N003 out 0 NPN
R11 N001 N003 8k
R12 N003 out 120
Q6 -Vcc N008 out 0 PNP
Q7 -Vcc N007 N008 0 PNP
Q1 N007 N009 N012 0 BC547C
C1 N007 N009 10p
D1 P001 P002 1N4148
D2 P002 P003 1N4148
D3 P003 N007 1N4148
D4 N002 P001 1N4148
R7 + 0 4.7k
D5 N001 N002 1N4148
R13 N004 N005 50
R14 N004 N006 50
R15 + in 470
R16 N012 -Vcc 56
Rout out N011 8
Vout N011 0 0
.tran 0 5m 0 0.1u
.option plotwinsize=0

* LTspice schematic (.asc)
Version 4
SHEET 1 1376 928
WIRE 96 -448 -176 -448
WIRE 464 -448 96 -448
WIRE 464 -400 464 -448
WIRE 464 -400 352 -400
WIRE 96 -352 96 -368
WIRE 256 -352 96 -352
WIRE 288 -352 256 -352
WIRE 464 -336 464 -400
WIRE -416 -304 -416 -336
WIRE -416 -304 -480 -304
WIRE -176 -304 -176 -448
WIRE -480 -288 -480 -304
WIRE -416 -288 -416 -304
WIRE 96 -288 96 -304
WIRE 352 -288 352 -304
WIRE 400 -288 352 -288
WIRE 256 -208 256 -352
WIRE 352 -208 352 -288
WIRE 352 -208 336 -208
WIRE 368 -208 352 -208
WIRE 464 -208 464 -240
WIRE 464 -208 448 -208
WIRE 480 -208 464 -208
WIRE -176 -176 -176 -224
WIRE -176 -176 -256 -176
WIRE -112 -176 -176 -176
WIRE 480 -160 480 -208
WIRE 544 -160 480 -160
WIRE -256 -144 -256 -176
WIRE -112 -144 -112 -176
WIRE -256 0 -256 -64
WIRE -112 0 -112 -64
WIRE 96 0 96 -32
WIRE 96 0 80 0
WIRE 208 0 96 0
WIRE 544 16 544 -160
WIRE 640 16 544 16
WIRE 688 16 640 16
WIRE -592 48 -688 48
WIRE -544 48 -592 48
WIRE -368 48 -464 48
WIRE -320 48 -368 48
WIRE -32 48 -48 48
WIRE 96 48 96 0
WIRE 368 80 352 80
WIRE 384 80 368 80
WIRE 480 80 480 -160
WIRE 480 80 464 80
WIRE 16 96 16 0
WIRE 32 96 16 96
WIRE -368 112 -368 48
WIRE 480 112 480 80
WIRE -256 128 -256 96
WIRE 16 128 16 96
WIRE 16 128 -256 128
WIRE -112 144 -112 96
WIRE -688 160 -688 128
WIRE -256 160 -256 128
WIRE 368 160 368 80
WIRE 416 160 368 160
WIRE 688 160 688 96
WIRE 96 176 96 144
WIRE 368 176 368 160
WIRE 208 224 208 0
WIRE 272 224 272 80
WIRE 272 224 208 224
WIRE 304 224 272 224
WIRE -256 272 -256 240
WIRE -112 272 -112 224
WIRE -112 272 -256 272
WIRE 96 272 96 256
WIRE 96 272 -112 272
WIRE 368 272 96 272
WIRE 480 272 480 208
WIRE 480 272 368 272
WIRE 688 272 688 240
WIRE -32 368 -32 48
WIRE 64 368 -32 368
WIRE 544 368 544 16
WIRE 544 368 144 368
WIRE -32 464 -32 448
FLAG -688 160 0
FLAG -480 -288 0
FLAG -416 -416 +Vcc
FLAG 464 -400 +Vcc
FLAG -416 -208 -Vcc
FLAG 480 272 -Vcc
FLAG -368 192 0
FLAG -592 48 in
FLAG -368 48 +
FLAG -32 48 -
FLAG 640 16 out
FLAG 688 272 0
FLAG -32 464 0
SYMBOL pnp -320 96 M180
SYMATTR Value BC557B
SYMATTR InstName Q+
SYMBOL pnp -48 96 R180
SYMATTR Value BC557B
SYMATTR InstName Q-
SYMBOL res -272 144 R0
SYMATTR InstName R22
SYMATTR Value 2.2k
SYMBOL res -192 -320 R0
SYMATTR InstName R3
SYMATTR Value 3.3k
SYMBOL res 80 -464 R0
SYMATTR InstName R4
SYMATTR Value 2.2k
SYMBOL res -48 352 R0
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL voltage -416 -432 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -416 -304 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res -128 128 R0
SYMATTR InstName R33
SYMATTR Value 100
SYMBOL voltage -688 32 R0
SYMATTR Value2 AC 0.5
SYMATTR InstName Vin
SYMATTR Value SINE(0 0.5 1k 0 0 0)
SYMBOL res 160 352 R90
SYMATTR InstName R2
SYMATTR Value 4.7k
SYMBOL res 256 64 M90
SYMATTR InstName R9
SYMATTR Value 8k
SYMBOL res 368 64 M90
SYMATTR InstName R10
SYMATTR Value 120
SYMBOL npn 288 -400 R0
SYMATTR InstName Q2
SYMBOL npn 400 -336 R0
SYMATTR InstName Q3
SYMBOL res 240 -192 R270
SYMATTR InstName R11
SYMATTR Value 8k
SYMBOL res 352 -192 R270
SYMATTR InstName R12
SYMATTR Value 120
SYMBOL pnp 416 208 M180
SYMATTR InstName Q6
SYMBOL pnp 304 272 M180
SYMATTR InstName Q7
SYMBOL npn 32 48 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL cap 80 -16 R90
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL diode 80 -224 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 80 -160 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode 80 -96 R0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 80 -288 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res -384 96 R0
SYMATTR InstName R7
SYMATTR Value 4.7k
SYMBOL diode 80 -352 R0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL res -272 -160 R0
SYMATTR InstName R13
SYMATTR Value 50
SYMBOL res -128 -160 R0
SYMATTR InstName R14
SYMATTR Value 50
SYMBOL res -448 32 R90
SYMATTR InstName R15
SYMATTR Value 470
SYMBOL res 80 160 R0
SYMATTR InstName R16
SYMATTR Value 56
SYMBOL res 672 0 R0
SYMATTR InstName Rout
SYMATTR Value 8
SYMBOL voltage 688 144 R0
SYMATTR InstName Vout
SYMATTR Value 0