Version 4
SHEET 1 880 680
WIRE 224 -80 96 -80
WIRE 96 -32 96 -80
WIRE 224 -32 224 -80
WIRE 224 64 224 48
WIRE 320 64 224 64
WIRE 224 96 224 64
WIRE 0 144 -32 144
WIRE 96 144 96 48
WIRE 96 144 64 144
WIRE 160 144 96 144
WIRE -736 176 -736 160
WIRE -608 176 -608 160
WIRE -608 176 -736 176
WIRE -736 192 -736 176
WIRE 224 208 224 192
WIRE 272 208 224 208
WIRE 336 208 272 208
WIRE 96 224 96 144
WIRE 224 224 224 208
WIRE 336 224 336 208
WIRE 336 320 336 304
WIRE 96 400 96 304
WIRE 224 400 224 304
WIRE 224 400 96 400
WIRE 336 400 336 384
WIRE 336 400 224 400
WIRE 224 432 224 400
FLAG -736 192 0
FLAG -736 80 +10V
FLAG 224 -80 +10V
FLAG -608 80 Vin
FLAG -32 144 Vin
FLAG 320 64 Vout
FLAG 224 432 0
FLAG 272 208 Ve
SYMBOL npn 160 96 R0
WINDOW 0 56 32 Invisible 0
WINDOW 3 56 68 Invisible 0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL res 208 208 R0
WINDOW 0 36 40 Invisible 0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL voltage -736 64 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -28 61 Left 0
SYMATTR InstName V1
SYMATTR Value +10V
SYMBOL voltage -608 64 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 53 -45 VRight 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.18V 1kHz)
SYMBOL cap 64 128 R90
WINDOW 0 0 32 Invisible 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 1µF
SYMBOL res 80 -48 R0
WINDOW 0 36 40 Invisible 0
SYMATTR InstName R4
SYMATTR Value 47K
SYMBOL res 80 208 R0
WINDOW 0 36 40 Invisible 0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 208 -48 R0
WINDOW 0 36 40 Invisible 0
SYMATTR InstName R2
SYMATTR Value 4.7K
SYMBOL res 320 208 R0
WINDOW 0 36 40 Invisible 0
SYMATTR InstName R5
SYMATTR Value 250
SYMBOL cap 320 320 R0
WINDOW 0 24 8 Invisible 0
SYMATTR InstName C2
SYMATTR Value 20µF
TEXT -736 232 Left 0 !.tran 1.3ms