Version 4
SHEET 1 880 680
WIRE 512 48 64 48
WIRE 64 96 64 48
WIRE 112 96 64 96
WIRE 352 96 336 96
WIRE 112 176 96 176
WIRE 384 176 336 176
WIRE 512 176 512 48
WIRE 512 176 384 176
WIRE 384 192 384 176
WIRE 512 192 512 176
WIRE 16 256 0 256
WIRE 112 256 96 256
WIRE 352 256 336 256
WIRE 352 288 352 256
WIRE 384 288 384 272
WIRE 384 288 352 288
WIRE 512 288 512 272
WIRE 384 304 384 288
WIRE 384 400 384 384
FLAG 96 176 0
FLAG 352 96 OUT
FLAG 512 288 0
FLAG 384 400 0
FLAG 0 256 0
SYMBOL res 368 176 R0
SYMATTR InstName R1
SYMATTR Value 887K
SYMBOL res 368 288 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res 112 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 84.5K
SYMBOL voltage 512 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL SpecialFunctions\\LTC6991 224 176 R0
SYMATTR InstName U1
TEXT 232 40 Bottom 2 ;One Hour Clock Period\nStartup Modeled
TEXT 520 376 Left 2 !.tran 15000 startup