Version 4
SHEET 1 880 680
WIRE 112 -96 -64 -96
WIRE 352 -96 112 -96
WIRE 544 -96 352 -96
WIRE 352 0 352 -96
WIRE 544 0 544 -96
WIRE 112 48 112 -16
WIRE 208 48 112 48
WIRE 288 48 208 48
WIRE 400 96 352 96
WIRE 432 96 400 96
WIRE 512 96 496 96
WIRE 544 96 544 80
WIRE 544 96 512 96
WIRE 112 144 112 128
WIRE 208 144 208 112
WIRE 208 144 112 144
WIRE 352 144 352 96
WIRE 352 144 208 144
WIRE 112 160 112 144
WIRE 352 192 352 144
WIRE -144 240 -224 240
WIRE -32 240 -64 240
WIRE 112 240 32 240
WIRE 288 240 112 240
FLAG -224 320 0
FLAG -64 -16 0
FLAG 112 304 0
FLAG 352 288 0
FLAG 512 96 out
FLAG 400 96 dc_out
SYMBOL npn 288 0 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL npn 288 192 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL cap 496 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL cap 192 48 R0
SYMATTR InstName C2
SYMATTR Value 4µ7
SYMBOL res -48 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 96 -112 R0
SYMATTR InstName R2
SYMATTR Value 2k2
SYMBOL res 96 144 R0
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL cap 32 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 47µ
SYMBOL res 96 32 R0
SYMATTR InstName R4
SYMATTR Value 470
SYMBOL cap 96 240 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL res 528 -16 R0
SYMATTR InstName R5
SYMATTR Value 16
SYMBOL voltage -64 -112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL voltage -224 224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 200m 1000)
TEXT -258 344 Left 2 !.tran 100m