Version 4
SHEET 1 6288 680
WIRE 1344 -432 1248 -432
WIRE 1440 -432 1344 -432
WIRE 1824 -432 1792 -432
WIRE 1856 -432 1824 -432
WIRE 1088 -416 1088 -432
WIRE 1088 -400 1088 -416
WIRE 1248 -400 1248 -432
WIRE 1248 -304 1248 -320
WIRE 1088 -288 1088 -320
FLAG 1248 -304 0
FLAG 1344 -432 Vinvco
FLAG 1088 -288 0
FLAG 1088 -416 VDD
FLAG 1616 -528 VDD
FLAG 1616 -336 0
FLAG 1824 -432 osc
SYMBOL voltage 1248 -416 R0
WINDOW 0 -72 21 Left 0
WINDOW 3 31 83 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vin
SYMATTR Value 500m
SYMBOL voltage 1088 -416 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VDD
SYMATTR Value 1
SYMBOL VCO_19_18 1392 -432 R0
SYMATTR InstName U1
TEXT 1312 -296 Left 0 !.tran 0 50n 0 100p uic