Version 4
SHEET 1 880 680
WIRE 416 48 224 48
WIRE 224 80 224 48
WIRE -80 128 -96 128
WIRE 64 128 48 128
WIRE 336 128 288 128
WIRE 48 176 48 128
WIRE 48 176 -16 176
WIRE 128 176 128 128
WIRE 224 176 208 176
FLAG 416 128 0
FLAG 224 -112 0
FLAG -16 256 0
FLAG 224 256 0
FLAG -16 0 0
FLAG -96 -32 0
FLAG 480 48 0
FLAG -800 128 0
SYMBOL npn -80 80 R0
WINDOW 0 84 31 Left 2
WINDOW 3 84 5 Left 2
SYMATTR InstName Q2
SYMATTR Value BC547A
SYMBOL npn 288 80 M0
WINDOW 0 -106 133 Left 2
WINDOW 3 -308 -70 Left 2
SYMATTR InstName Q1
SYMATTR Value MPSA42/INF
SYMBOL res -32 160 R0
WINDOW 0 -41 39 Left 2
WINDOW 3 -42 67 Left 2
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL res 208 160 R0
SYMATTR InstName R2
SYMATTR Value 1.5k
SYMBOL voltage 224 -16 R180
WINDOW 0 55 95 Right 2
WINDOW 3 -22 57 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 149
SYMBOL voltage 320 128 R270
WINDOW 3 0 50 VRight 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -39 77 VRight 2
SYMATTR Value 5
SYMATTR InstName V2
SYMBOL res 240 64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 15k
SYMBOL cap 128 112 R90
WINDOW 0 12 58 VBottom 2
WINDOW 3 23 43 VTop 2
SYMATTR InstName C2
SYMATTR Value 2.2nF
SYMBOL voltage -16 96 R180
WINDOW 3 -8 56 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -67 77 Left 2
SYMATTR Value 11
SYMATTR InstName V3
SYMBOL voltage -96 64 R180
WINDOW 3 -8 56 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -67 77 Left 2
SYMATTR Value 5
SYMATTR InstName V4
SYMBOL res -112 32 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL cap -96 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 24 7 VTop 2
SYMATTR InstName C3
SYMATTR Value 1µF
SYMBOL voltage -144 128 R90
WINDOW 3 226 -344 VRight 2
WINDOW 123 -41 106 VRight 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value PULSE(0 0.35 12us 50ns 50ns 52us)
SYMATTR InstName V5
SYMBOL res 144 160 R90
WINDOW 0 83 83 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 47
SYMBOL res 224 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL cap 480 32 R90
WINDOW 0 18 56 VBottom 2
WINDOW 3 29 45 VTop 2
SYMATTR InstName C5
SYMATTR Value 15pF
SYMBOL voltage -224 128 R90
WINDOW 3 198 -474 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value PULSE(0 -0.3 1us 50ns 50ns 4.7us 64us)
SYMATTR InstName V6
SYMBOL voltage -304 128 R90
WINDOW 3 211 57 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value SINE(0 0.35 500000 24us 0 0 4)
SYMATTR InstName V7
SYMBOL voltage -384 128 R90
WINDOW 3 174 -36 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value SINE(0 0.35 1000000 34us 0 0 8)
SYMATTR InstName V8
SYMBOL voltage -464 128 R90
WINDOW 3 135 -131 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value SINE(0 0.35 2000000 44us 0 0 16)
SYMATTR InstName V9
SYMBOL voltage -544 128 R90
WINDOW 3 98 -212 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value SINE(0 0.35 4000000 54us 0 0 32)
SYMATTR InstName V10
SYMBOL voltage -624 128 R90
WINDOW 3 -87 -122 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value PULSE(0 -0.35 18us 50ns 50ns 4us)
SYMATTR InstName V11
SYMBOL voltage -704 128 R90
WINDOW 3 -124 -200 VRight 2
WINDOW 123 -67 133 Left 2
WINDOW 39 0 0 Left 0
WINDOW 0 -52 61 VRight 2
SYMATTR Value PULSE(0 0.35 14us 50ns 50ns 4us)
SYMATTR InstName V12
TEXT -216 384 Left 2 !;.ac oct 10 5000 5000000\n.tran 66us