Version 4
SHEET 1 928 844
WIRE 0 -16 -80 -16
WIRE 192 -16 64 -16
WIRE -192 48 -656 48
WIRE -80 48 -80 -16
WIRE -80 48 -112 48
WIRE 64 48 -80 48
WIRE 192 48 192 -16
WIRE 192 48 144 48
WIRE -656 64 -656 48
WIRE 32 112 32 96
WIRE -80 128 -80 48
WIRE 0 128 -80 128
WIRE 192 144 192 48
WIRE 192 144 64 144
WIRE 288 144 192 144
WIRE -656 160 -656 144
WIRE 0 160 -656 160
WIRE 192 160 192 144
WIRE 288 160 288 144
WIRE -656 176 -656 160
WIRE 48 208 48 160
WIRE 112 208 48 208
WIRE 32 224 32 176
WIRE 112 224 112 208
WIRE -208 240 -208 224
WIRE 192 256 192 240
WIRE 288 256 288 224
WIRE -656 272 -656 256
WIRE 112 320 112 304
WIRE -208 336 -208 320
FLAG -208 336 0
FLAG -208 224 +V
FLAG -656 272 0
FLAG -656 48 IN
FLAG 288 144 OUT
FLAG 192 256 0
FLAG 288 256 0
FLAG 32 224 0
FLAG 112 320 0
FLAG 32 96 +V
SYMBOL voltage -208 224 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -656 160 R0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL voltage -656 48 R0
WINDOW 3 23 90 Left 2
SYMATTR Value PULSE(200m -200m 200n 10n 10n 200n 400n 10)
SYMATTR InstName V3
SYMBOL res 176 144 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 272 160 R0
SYMATTR InstName C1
SYMATTR Value 47p
SYMBOL res -96 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 160 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL cap 64 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2.7p
SYMBOL voltage 112 208 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL LTC6246 32 144 R0
WINDOW 0 -26 -1 Left 2
SYMATTR InstName U1
TEXT 248 320 Left 2 !.tran 2u