Version 4
SHEET 1 1400 844
WIRE -288 -64 -288 -80
WIRE -192 -64 -192 -80
WIRE -32 -48 -48 -48
WIRE 192 -48 48 -48
WIRE 96 0 64 0
WIRE 192 0 192 -48
WIRE 192 0 160 0
WIRE 256 0 192 0
WIRE 464 0 256 0
WIRE 560 0 544 0
WIRE 640 0 560 0
WIRE 736 0 688 0
WIRE -288 32 -288 16
WIRE -192 32 -192 16
WIRE 688 32 688 0
WIRE 560 48 560 0
WIRE 640 48 640 0
WIRE 192 64 192 0
WIRE 256 64 256 0
WIRE 320 64 320 48
WIRE -144 96 -208 96
WIRE -48 96 -48 -48
WIRE -48 96 -64 96
WIRE -32 96 -48 96
WIRE 64 96 64 0
WIRE 64 96 48 96
WIRE 80 96 64 96
WIRE -208 112 -208 96
WIRE 688 128 688 112
WIRE 80 160 -16 160
WIRE 448 160 432 160
WIRE 464 160 448 160
WIRE 560 160 560 112
WIRE 560 160 544 160
WIRE 640 160 640 96
WIRE 640 160 560 160
WIRE -16 176 -16 160
WIRE -208 208 -208 192
WIRE 80 224 64 224
WIRE -16 256 -16 240
WIRE 320 272 320 256
WIRE -48 304 -48 96
WIRE 96 304 -48 304
WIRE 448 304 448 160
WIRE 448 304 160 304
FLAG -192 32 0
FLAG -208 208 0
FLAG -16 256 0
FLAG 688 128 0
FLAG 736 0 OUT
FLAG 320 272 -V
FLAG -192 -80 -V
FLAG -288 32 0
FLAG -288 -80 +V
FLAG 320 48 +V
FLAG 64 224 0
SYMBOL voltage -288 -80 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V1
SYMATTR Value 2.5
SYMBOL voltage -192 -80 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V2
SYMATTR Value -2.5
SYMBOL LT1567 256 160 R0
SYMATTR InstName U1
SYMBOL res 560 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 147
SYMBOL cap -32 176 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap 160 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 270p
SYMBOL res 560 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 147
SYMBOL cap 544 48 R0
SYMATTR InstName C3
SYMATTR Value 270p
SYMBOL e 688 16 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL res 64 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 147
SYMBOL res 64 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 536
SYMBOL res -48 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 536
SYMBOL cap 96 320 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value 270p
SYMBOL voltage -208 96 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V3
SYMATTR Value AC 1
TEXT 528 264 Left 2 !.ac oct 10 100K 10Meg