Version 4
SHEET 1 948 680
WIRE 192 32 32 32
WIRE 416 32 192 32
WIRE 816 32 416 32
WIRE 816 80 816 32
WIRE 416 96 416 32
WIRE 32 160 32 112
WIRE 48 160 32 160
WIRE -208 208 -272 208
WIRE -192 208 -208 208
WIRE -64 208 -112 208
WIRE -32 208 -64 208
WIRE 752 208 752 128
WIRE 752 208 720 208
WIRE 816 208 816 176
WIRE 832 208 816 208
WIRE 848 208 832 208
WIRE 192 224 192 208
WIRE 256 224 192 224
WIRE 320 224 256 224
WIRE 416 224 416 176
WIRE 416 224 400 224
WIRE 480 224 416 224
WIRE 480 240 480 224
WIRE 816 240 816 208
WIRE 416 256 416 224
WIRE 928 256 928 208
WIRE 32 272 32 256
WIRE 192 272 192 224
WIRE 752 288 752 208
WIRE -272 320 -272 288
WIRE 192 352 32 352
WIRE 416 352 416 336
WIRE 416 352 192 352
WIRE 816 352 816 336
WIRE 816 352 416 352
WIRE -208 368 -208 208
WIRE 640 368 640 208
WIRE 640 368 -208 368
FLAG 480 240 0
FLAG -272 320 0
FLAG -64 208 Vin
FLAG 256 224 Vout
FLAG 928 256 0
FLAG 832 208 Vout2
SYMBOL voltage 416 80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL voltage 416 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -272 192 R0
WINDOW 0 -68 55 Left 2
WINDOW 3 -93 107 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 3 1 2 0 0 3)
SYMBOL res 16 16 R0
SYMATTR InstName Rc1
SYMATTR Value 2.1k
SYMBOL res 176 256 R0
SYMATTR InstName Rc2
SYMATTR Value 4.5k
SYMBOL res 16 256 R0
SYMATTR InstName RE1
SYMATTR Value 4k
SYMBOL res 176 16 R0
SYMATTR InstName RE2
SYMATTR Value 1.5k
SYMBOL npn -32 160 R0
WINDOW 0 28 51 Left 2
WINDOW 3 64 51 Left 2
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL pnp 128 208 M180
WINDOW 0 27 46 Left 2
WINDOW 3 62 46 Left 2
SYMATTR InstName Q2
SYMATTR Value BC557B
SYMBOL res 304 240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName RL
SYMATTR Value 200k
SYMBOL res -208 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 2k
SYMBOL npn 752 80 R0
WINDOW 0 28 51 Left 2
WINDOW 3 64 51 Left 2
SYMATTR InstName Q3
SYMATTR Value BC547B
SYMBOL pnp 752 336 M180
WINDOW 0 27 46 Left 2
WINDOW 3 62 46 Left 2
SYMATTR InstName Q4
SYMATTR Value BC557B
SYMBOL res 624 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 2k
SYMBOL res 832 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName RL1
SYMATTR Value 200k
SYMBOL res 32 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 4.7k
TEXT -296 360 Left 2 !.tran 5