Version 4
SHEET 1 880 680
WIRE -544 128 -896 128
WIRE -256 144 -416 144
WIRE -32 144 -256 144
WIRE 32 144 -32 144
WIRE -544 160 -592 160
WIRE -256 160 -256 144
WIRE -896 176 -896 128
WIRE 304 176 176 176
WIRE 384 176 304 176
WIRE 32 208 -80 208
WIRE -544 224 -544 192
WIRE -256 256 -256 240
WIRE -80 256 -80 208
WIRE -896 288 -896 256
WIRE 32 320 32 240
WIRE -256 336 -256 320
WIRE -80 368 -80 336
WIRE -592 448 -592 160
WIRE 384 448 384 176
WIRE 384 448 -592 448
FLAG -80 368 0
FLAG 32 320 0
FLAG -896 288 0
FLAG -544 224 0
FLAG 304 176 PLL_Out
FLAG -32 144 Vtune
FLAG -256 336 0
SYMBOL SpecialFunctions\\modulate 32 144 R0
WINDOW 3 12 124 Left 2
SYMATTR InstName A5
SYMATTR Value mark=2Meg space=0.5Meg
SYMBOL voltage -80 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL voltage -896 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 1 1Meg)
SYMBOL DIGITAL\\PHIDET -512 144 R0
WINDOW 3 -16 72 Left 2
WINDOW 39 -28 140 Left 2
WINDOW 40 -16 176 Left 2
WINDOW 123 -16 104 Left 2
SYMATTR Value Iout=15u
SYMATTR SpiceLine Vhigh=2.5
SYMATTR SpiceLine2 Ref=0
SYMATTR Value2 Vlow=-.5
SYMATTR InstName A1
SYMBOL cap -272 256 R0
SYMATTR InstName C1
SYMATTR Value .0025µ
SYMBOL res -272 144 R0
SYMATTR InstName R1
SYMATTR Value 1K
TEXT -336 64 Left 2 !.tran 2000u