Version 4
SHEET 1 880 680
WIRE -1664 -336 -1824 -336
WIRE -1632 -336 -1664 -336
WIRE -1504 -336 -1536 -336
WIRE -1008 -336 -1504 -336
WIRE -896 -336 -1008 -336
WIRE -800 -336 -896 -336
WIRE -1584 -256 -1584 -272
WIRE -1584 -256 -1664 -256
WIRE -1504 -256 -1584 -256
WIRE -1824 -208 -1824 -336
WIRE -1312 -208 -1824 -208
WIRE -1584 -128 -1584 -256
WIRE -1584 -128 -1648 -128
WIRE -1312 -112 -1312 -208
WIRE -1264 -96 -1264 -144
WIRE -1264 -96 -1280 -96
WIRE -1232 -96 -1264 -96
WIRE -1120 -96 -1120 -144
WIRE -1120 -96 -1152 -96
WIRE -1408 -80 -1408 -144
WIRE -1408 -80 -1440 -80
WIRE -1344 -80 -1408 -80
WIRE -1008 -64 -1008 -256
WIRE -1008 -64 -1280 -64
WIRE -1312 -48 -1312 -64
WIRE -1824 -32 -1824 -208
WIRE -1408 -32 -1408 -80
WIRE -1120 -32 -1120 -96
WIRE -1008 -32 -1008 -64
WIRE -896 -32 -896 -336
WIRE -1584 48 -1584 -32
WIRE -1584 48 -1824 48
WIRE -1120 48 -1584 48
WIRE -1008 48 -1120 48
WIRE -896 48 -1008 48
WIRE -1312 80 -1312 -48
WIRE -1584 96 -1584 48
FLAG -800 -336 Out
FLAG -1584 96 0
FLAG -1120 -144 In
FLAG -1408 -32 Op
FLAG -1648 -128 Bas
FLAG -1312 160 0
SYMBOL npn -1632 -272 R270
SYMATTR InstName Q1
SYMATTR Value 2N3055
SYMBOL res -1680 -352 R0
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL voltage -1120 -48 R0
WINDOW 3 -151 136 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0.35 0.4 0 0.01µ 0.01µ 5µ 10µ)
SYMBOL voltage -1824 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res -1520 -352 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res -1424 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -1024 -352 R0
SYMATTR InstName R3
SYMATTR Value 27k
SYMBOL res -1024 -48 R0
SYMATTR InstName R4
SYMATTR Value 2k
SYMBOL res -1248 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 4k7
SYMBOL res -1136 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 430
SYMBOL cap -1344 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 330p
SYMBOL res -912 -48 R0
SYMATTR InstName R8
SYMATTR Value 22
SYMBOL Opamps\\LT1022 -1312 -144 M0
WINDOW 0 18 122 Left 2
SYMATTR InstName U3
SYMBOL voltage -1312 176 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL npn -1520 -128 M0
SYMATTR InstName Q2
SYMATTR Value 2N2219A
TEXT -1122 132 Left 2 !.tran 0 20µs 0