Version 4
SHEET 1 880 680
WIRE -304 176 -304 144
WIRE -304 416 -304 256
WIRE -304 464 -304 416
WIRE -208 192 -208 160
WIRE -208 416 -304 416
WIRE -208 416 -208 272
WIRE -128 208 -128 176
WIRE -128 416 -208 416
WIRE -128 416 -128 288
WIRE -112 160 -208 160
WIRE -112 208 -112 160
WIRE -80 288 -80 240
WIRE -80 416 -128 416
WIRE -80 416 -80 368
WIRE -64 240 -80 240
WIRE -32 144 -304 144
WIRE -32 176 -128 176
WIRE -32 208 -112 208
WIRE -32 240 -64 240
WIRE 32 304 32 256
WIRE 32 416 -80 416
WIRE 32 416 32 384
WIRE 128 192 96 192
WIRE 128 288 128 192
WIRE 144 192 128 192
WIRE 176 384 176 256
WIRE 176 416 32 416
WIRE 176 416 176 384
WIRE 208 288 128 288
WIRE 208 352 208 288
WIRE 224 256 176 256
WIRE 224 288 208 288
WIRE 352 272 288 272
WIRE 368 352 208 352
WIRE 368 384 176 384
WIRE 400 336 400 304
WIRE 400 416 176 416
WIRE 400 416 400 400
WIRE 448 368 432 368
WIRE 592 304 592 272
WIRE 592 416 400 416
WIRE 592 416 592 384
WIRE 688 304 688 272
WIRE 688 416 592 416
WIRE 688 416 688 384
FLAG -304 464 0
FLAG 144 192 Out
IOPIN 144 192 Out
FLAG -64 240 va
FLAG 400 304 vcc
FLAG 592 272 vcc
FLAG 688 272 vref
SYMBOL Robertugo\\VcoProg 32 192 R0
SYMATTR InstName U1
SYMBOL voltage -304 160 R0
WINDOW 0 -17 61 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -50 42 VRight 0
SYMATTR InstName Vc
SYMATTR Value PWL(0 0 1m {Vcc})
SYMBOL voltage -208 176 R0
WINDOW 0 -19 60 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -47 101 Left 0
SYMATTR InstName Vks
SYMATTR Value 100
SYMBOL voltage 32 288 R0
WINDOW 0 -14 59 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vf0
SYMATTR Value SINE(0 .1 1)
SYMBOL voltage -80 272 R0
WINDOW 0 -17 59 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 7 113 Left 0
SYMATTR InstName Va
SYMATTR Value {Vcc/2}
SYMBOL voltage -128 192 R0
WINDOW 0 -21 60 Left 0
WINDOW 3 24 95 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -18 105 VRight 0
SYMATTR InstName Vxd
SYMATTR Value 1
SYMATTR SpiceLine Rser=100
SYMBOL Comph 256 208 R0
SYMATTR InstName X1
SYMBOL comp3 400 304 R0
SYMATTR InstName X2
SYMBOL voltage 592 288 R0
WINDOW 0 -19 60 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -47 101 Left 0
SYMATTR InstName Vcc
SYMATTR Value {vcc}
SYMBOL voltage 688 288 R0
WINDOW 0 -19 60 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -47 101 Left 0
SYMATTR InstName Vref
SYMATTR Value {vref}
TEXT -16 104 Left 0 !.tran 1m
TEXT 152 128 Left 0 !.param vcc=15
TEXT 208 176 Left 0 !.param Vref={vcc/2}