Version 4
SHEET 1 940 680
WIRE 304 96 -464 96
WIRE -464 112 -464 96
WIRE 0 160 -208 160
WIRE 16 160 0 160
WIRE 304 160 304 96
WIRE 304 160 272 160
WIRE -208 192 -208 160
WIRE -464 208 -464 192
WIRE 0 224 0 160
WIRE 16 224 0 224
WIRE 320 224 272 224
WIRE 480 224 400 224
WIRE 0 288 0 224
WIRE 16 288 0 288
WIRE 304 288 272 288
WIRE -208 304 -208 272
WIRE 0 352 0 288
WIRE 16 352 0 352
WIRE 320 352 272 352
WIRE 480 352 480 224
WIRE 480 352 400 352
WIRE 480 368 480 352
WIRE 144 400 144 384
WIRE 480 464 480 448
FLAG 144 400 0
FLAG -208 304 0
FLAG -464 208 0
FLAG 304 288 0
FLAG 480 464 0
SYMBOL LTC2904 144 256 R0
SYMATTR InstName U1
SYMBOL voltage -208 176 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1m 5)
SYMBOL voltage -464 96 R0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1m 3.3)
SYMBOL res 416 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL voltage 480 352 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL res 416 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
TEXT 216 480 Left 2 !.tran 230m