Version 4
SHEET 1 2924 900
WIRE 208 -2208 -224 -2208
WIRE 384 -2208 208 -2208
WIRE 736 -2208 384 -2208
WIRE 1136 -2208 1008 -2208
WIRE 1136 -2192 1136 -2208
WIRE 384 -2176 384 -2208
WIRE 1008 -2160 1008 -2208
WIRE -224 -2128 -224 -2208
WIRE 32 -2128 -32 -2128
WIRE 144 -2128 96 -2128
WIRE 272 -2128 144 -2128
WIRE 560 -2128 496 -2128
WIRE 672 -2128 624 -2128
WIRE 800 -2128 672 -2128
WIRE 736 -2064 736 -2208
WIRE 208 -2048 208 -2208
WIRE 672 -2048 672 -2128
WIRE 704 -2048 672 -2048
WIRE -688 -2032 -736 -2032
WIRE 144 -2032 144 -2128
WIRE 176 -2032 144 -2032
WIRE 800 -2032 800 -2128
WIRE 800 -2032 768 -2032
WIRE 848 -2032 800 -2032
WIRE 960 -2032 912 -2032
WIRE 1008 -2032 1008 -2080
WIRE 1008 -2032 960 -2032
WIRE 272 -2016 272 -2128
WIRE 272 -2016 240 -2016
WIRE 352 -2016 272 -2016
WIRE 496 -2016 496 -2128
WIRE 496 -2016 432 -2016
WIRE 544 -2016 496 -2016
WIRE 672 -2016 624 -2016
WIRE 704 -2016 672 -2016
WIRE -496 -2000 -544 -2000
WIRE -384 -2000 -416 -2000
WIRE -224 -2000 -224 -2048
WIRE -224 -2000 -320 -2000
WIRE -160 -2000 -224 -2000
WIRE -32 -2000 -32 -2128
WIRE -32 -2000 -80 -2000
WIRE 16 -2000 -32 -2000
WIRE 144 -2000 96 -2000
WIRE 176 -2000 144 -2000
WIRE 736 -1984 736 -2000
WIRE 1008 -1984 1008 -2032
WIRE -688 -1968 -832 -1968
WIRE -224 -1968 -224 -2000
WIRE 144 -1968 144 -2000
WIRE 208 -1968 208 -1984
WIRE 672 -1968 672 -2016
WIRE -736 -1936 -736 -2032
WIRE -688 -1936 -736 -1936
WIRE -832 -1920 -832 -1968
WIRE -736 -1904 -736 -1936
WIRE -224 -1872 -224 -1888
WIRE 144 -1872 144 -1904
WIRE 672 -1872 672 -1904
WIRE 1008 -1872 1008 -1904
WIRE -832 -1824 -832 -1840
FLAG 208 -1968 0
FLAG 384 -2096 0
FLAG 736 -1984 0
FLAG 1136 -2112 0
FLAG 1008 -1872 0
FLAG -224 -1872 0
FLAG -736 -1904 0
FLAG -832 -1824 0
FLAG 960 -2032 out
FLAG 144 -1872 0
FLAG 672 -1872 0
SYMBOL voltage 384 -2192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V12
SYMATTR Value 8V
SYMBOL res -176 -1984 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R35
SYMATTR Value 4.7k
SYMBOL res -208 -2144 M0
SYMATTR InstName R36
SYMATTR Value 10k
SYMBOL res -208 -1984 M0
SYMATTR InstName R37
SYMATTR Value 10k
SYMBOL cap -320 -2016 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C22
SYMATTR Value 1µ
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0
SYMBOL cap 160 -1904 R180
WINDOW 0 24 64 Left 2
WINDOW 3 23 5 Left 2
SYMATTR InstName C23
SYMATTR Value 2.7n
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0
SYMBOL cap 96 -2144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C24
SYMATTR Value 39n
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0
SYMBOL res 0 -1984 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R39
SYMATTR Value 4.7k
SYMBOL res 336 -2000 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R40
SYMATTR Value 4.7k
SYMBOL cap 688 -1904 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C25
SYMATTR Value 11.5n
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0
SYMBOL cap 624 -2144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C26
SYMATTR Value 15n
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0
SYMBOL res 528 -2000 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R42
SYMATTR Value 4.7k
SYMBOL cap 848 -2016 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C27
SYMATTR Value 1µ
SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0
SYMBOL res 992 -2000 R0
SYMATTR InstName R43
SYMATTR Value 4.7k
SYMBOL res 992 -2176 R0
SYMATTR InstName R44
SYMATTR Value 4.7k
SYMBOL voltage 1136 -2208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V14
SYMATTR Value 3.3
SYMBOL voltage -400 -2000 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 59 56 VBottom 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMBOL SpecialFunctions\\modulate -688 -2032 R0
WINDOW 0 4 -76 Left 2
WINDOW 3 2 -48 Left 2
SYMATTR InstName A1
SYMATTR Value mark=2k space=2k
SYMBOL voltage -832 -1936 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 100m 0 1m 1m 9m 20m)
SYMBOL Opamps\\LT1006 208 -2080 R0
SYMATTR InstName U3
SYMBOL Opamps\\LT1006 736 -2096 R0
SYMATTR InstName U4
TEXT -608 -2184 Left 2 !.ac dec 100 20 20k
TEXT -608 -2152 Left 2 !;tran 0 50m 0 1u