lab1_pllmodel.mdl

课程设计做的PLL

Model {
  Name			  "lab1_pllmodel"
  Version		  2.20
  SimParamPage		  Solver
  SampleTimeColors	  off
  InvariantConstants	  off
  WideVectorLines	  off
  ShowLineWidths	  off
  StartTime		  "0.0"
  StopTime		  "samples/fr"
  Solver		  ode45
  RelTol		  "1e-3"
  AbsTol		  "1e-6"
  Refine		  "1"
  MaxStep		  "1/fr"
  InitialStep		  "auto"
  FixedStep		  "1/fr"
  MaxOrder		  5
  OutputOption		  RefineOutputTimes
  OutputTimes		  "[]"
  LoadExternalInput	  off
  ExternalInput		  "[t, u]"
  SaveTime		  off
  TimeSaveName		  "tout"
  SaveState		  off
  StateSaveName		  "xout"
  SaveOutput		  off
  OutputSaveName	  "yout"
  LoadInitialState	  off
  InitialState		  "xInitial"
  SaveFinalState	  off
  FinalStateName	  "xFinal"
  LimitMaxRows		  off
  MaxRows		  "1000"
  Decimation		  "1"
  AlgebraicLoopMsg	  warning
  MinStepSizeMsg	  warning
  UnconnectedInputMsg	  warning
  UnconnectedOutputMsg	  warning
  UnconnectedLineMsg	  warning
  ConsistencyChecking	  off
  ZeroCross		  on
  SimulationMode	  normal
  RTWSystemTargetFile	  "grt.tlc"
  RTWInlineParameters	  off
  RTWPlaceOutputsASAP	  off
  RTWRetainRTWFile	  off
  RTWTemplateMakefile	  "grt_default_tmf"
  RTWMakeCommand	  "make_rtw"
  RTWGenerateCodeOnly	  off
  ExtModeMexFile	  "ext_comm"
  ExtModeBatchMode	  off
  BlockDefaults {
    Orientation		    right
    ForegroundColor	    black
    BackgroundColor	    white
    DropShadow		    off
    NamePlacement	    normal
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    normal
    FontAngle		    normal
    ShowName		    on
  }
  AnnotationDefaults {
    HorizontalAlignment	    center
    VerticalAlignment	    middle
    ForegroundColor	    black
    BackgroundColor	    white
    DropShadow		    off
    FontName		    "Helvetica"
    FontSize		    10
    FontWeight		    normal
    FontAngle		    normal
  }
  LineDefaults {
    FontName		    "Helvetica"
    FontSize		    9
    FontWeight		    normal
    FontAngle		    normal
  }
  System {
    Name		    "lab1_pllmodel"
    Location		    [251, 203, 1116, 647]
    Open		    on
    ToolBar		    off
    StatusBar		    off
    ScreenColor		    yellow
    PaperOrientation	    landscape
    PaperPositionMode	    auto
    PaperType		    usletter
    PaperUnits		    inches
    Block {
      BlockType		      Gain
      Name		      "1/2pi"
      Position		      [635, 120, 665, 150]
      FontName		      "helvetica"
      FontSize		      12
      Gain		      "1/(2*pi)"
    }
    Block {
      BlockType		      Gain
      Name		      "PFD gain\n[V/rad]"
      Position		      [170, 356, 200, 384]
      FontName		      "helvetica"
      FontSize		      12
      Gain		      "Kphi"
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "[V]"
      Position		      [480, 58, 520, 72]
      FontName		      "helvetica"
      FontSize		      12
      VariableName	      "vtune"
      Buffer		      "1e6"
      Decimation	      "1"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Fcn
      Name		      "divider"
      Position		      [680, 350, 725, 380]
      Orientation	      left
      FontName		      "helvetica"
      FontSize		      12
      Expr		      "u[1]/N"
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "fout\n[Hz]"
      Position		      [770, 128, 805, 142]
      FontName		      "helvetica"
      FontSize		      12
      VariableName	      "fv"
      Buffer		      "1e6"
      Decimation	      "1"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Constant
      Name		      "fref\n[Hz]"
      Position		      [25, 122, 55, 138]
      FontName		      "helvetica"
      FontSize		      12
      Value		      "fr"
    }
    Block {
      BlockType		      Step
      Name		      "freq step"
      Position		      [25, 190, 55, 220]
      Time		      "1000/fr"
      Before		      "10e6"
      After		      "20e6"
    }
    Block {
      BlockType		      TransferFcn
      Name		      "freq->phase\n[rad/Hz]"
      Position		      [580, 347, 610, 393]
      FontName		      "helvetica"
      FontSize		      12
      Numerator		      "2*pi"
      Denominator	      "[1 0]"
    }
    Block {
      BlockType		      TransferFcn
      Name		      "freq->phase\n[rad/Hz]1"
      Position		      [90, 107, 120, 153]
      FontName		      "helvetica"
      FontSize		      12
      Numerator		      "2*pi"
      Denominator	      "[1 0]"
    }
    Block {
      BlockType		      TransferFcn
      Name		      "integrator +\nphase lead"
      Position		      [260, 350, 320, 390]
      FontName		      "helvetica"
      FontSize		      12
      Numerator		      "[Tau2 1]"
      Denominator	      "[Tau1 0]"
    }
    Block {
      BlockType		      TransferFcn
      Name		      "low-pass\nfilter"
      Position		      [365, 350, 425, 390]
      FontName		      "helvetica"
      FontSize		      12
      Numerator		      "[1]"
      Denominator	      "[Tau3 1]"
    }
    Block {
      BlockType		      Sum
      Name		      "phase\ncomp."
      Ports		      [2, 1, 0, 0, 0]
      Position		      [120, 358, 140, 382]
      FontName		      "helvetica"
      FontSize		      12
      Inputs		      "+-"
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "phase error\n[rad]"
      Position		      [295, 53, 330, 67]
      FontName		      "helvetica"
      FontSize		      12
      VariableName	      "perr"
      Buffer		      "1e6"
      Decimation	      "1"
      SampleTime	      "0"
    }
    Block {
      BlockType		      Derivative
      Name		      "phase->freq"
      Position		      [700, 120, 730, 150]
      FontName		      "helvetica"
      FontSize		      12
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "phi_in\n[rad]"
      Position		      [175, 52, 225, 68]
      FontName		      "helvetica"
      FontSize		      12
      VariableName	      "phi_ref"
      Buffer		      "1e6"
      Decimation	      "1"
      SampleTime	      "0"
    }
    Block {
      BlockType		      ToWorkspace
      Name		      "phi_out\n[rad]"
      Position		      [625, 63, 675, 77]
      FontName		      "helvetica"
      FontSize		      12
      VariableName	      "phi_out"
      Buffer		      "1e6"
      Decimation	      "1"
      SampleTime	      "0"
    }
    Block {
      BlockType		      SubSystem
      Name		      "time"
      Ports		      [0, 0, 0, 0, 0]
      Position		      [17, 364, 63, 397]
      FontName		      "helvetica"
      FontSize		      12
      ShowPortLabels	      off
      MaskType		      "time"
      MaskDisplay	      "disp('Save\\ntime t')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      none
      MaskIconUnits	      autoscale
      System {
	Name			"time"
	Location		[163, 139, 498, 323]
	Open			off
	ToolBar			off
	StatusBar		off
	ScreenColor		white
	PaperOrientation	landscape
	PaperPositionMode	auto
	PaperType		usletter
	PaperUnits		inches
	Block {
	  BlockType		  Clock
	  Name			  "Clock"
	  Position		  [75, 105, 95, 125]
	  DeleteFcn		  "simclock BlockIsBeingDestroyed"
	  PostSaveFcn		  "simclock Save"
	  Location		  [30, 40, 140, 75]
	}
	Block {
	  BlockType		  ToWorkspace
	  Name			  "To Workspace"
	  Position		  [165, 107, 215, 123]
	  VariableName		  "t"
	  Buffer		  "1e6"
	  Decimation		  "1"
	  SampleTime		  "0"
	}
	Line {
	  SrcBlock		  "Clock"
	  SrcPort		  1
	  DstBlock		  "To Workspace"
	  DstPort		  1
	}
	Annotation {
	  Position		  [147, 77]
	  VerticalAlignment	  top
	  Text			  "Save time vector t"
	}
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "vco\n[Hz/V]"
      Ports		      [1, 1, 0, 0, 0]
      Position		      [500, 345, 540, 385]
      FontName		      "helvetica"
      FontSize		      12
      ShowPortLabels	      off
      MaskType		      "VCO"
      MaskDescription	      "VCO - output [Hz] "
      MaskPromptString	      " Sensitivity [Hz/V] | Min. frequency (Vtune=0V)"
" [Hz] "
      MaskStyleString	      "edit,edit"
      MaskTunableValueString  "on,on"
      MaskVariables	      "Kv=@1;fmin=@2;"
      MaskInitialization      " t=0:0.01:1;"
      MaskDisplay	      "plot(sin(0:pi/8:2*pi),cos(0:pi/8:2*pi),[-1:1/8:"
"1]*0.75,sin(0:pi/8:2*pi)*0.5)"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      none
      MaskIconUnits	      autoscale
      MaskValueString	      "Kv|10e6"
      System {
	Name			"vco\n[Hz/V]"
	Location		[58, 80, 630, 442]
	Open			off
	ToolBar			off
	StatusBar		off
	ScreenColor		white
	PaperOrientation	landscape
	PaperPositionMode	auto
	PaperType		usletter
	PaperUnits		inches
	Block {
	  BlockType		  Inport
	  Name			  "Vcntrl"
	  Position		  [85, 115, 105, 135]
	  Port			  "1"
	  PortWidth		  "-1"
	  SampleTime		  "-1"
	}
	Block {
	  BlockType		  Gain
	  Name			  "Gain"
	  Position		  [165, 110, 200, 140]
	  Gain			  "Kv"
	}
	Block {
	  BlockType		  Sum
	  Name			  "Sum"
	  Ports			  [2, 1, 0, 0, 0]
	  Position		  [265, 140, 285, 160]
	  Inputs		  "++"
	}
	Block {
	  BlockType		  Constant
	  Name			  "const"
	  Position		  [145, 188, 175, 212]
	  Value			  "fmin"
	}
	Block {
	  BlockType		  Outport
	  Name			  "RF\nfreq"
	  Position		  [345, 140, 365, 160]
	  Port			  "1"
	  OutputWhenDisabled	  held
	  InitialOutput		  "0"
	}
	Line {
	  SrcBlock		  "Sum"
	  SrcPort		  1
	  DstBlock		  "RF\nfreq"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Vcntrl"
	  SrcPort		  1
	  DstBlock		  "Gain"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Gain"
	  SrcPort		  1
	  Points		  [25, 0; 0, 20]
	  DstBlock		  "Sum"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "const"
	  SrcPort		  1
	  Points		  [35, 0; 0, -45]
	  DstBlock		  "Sum"
	  DstPort		  2
	}
	Annotation {
	  Position		  [267, 47]
	  VerticalAlignment	  top
	  ForegroundColor	  blue
	  Text			  "Voltage-controlled oscillator\n\nfout = fmi"
"n + Vin*Kv "
	}
      }
    }
    Line {
      SrcBlock		      "freq->phase\n[rad/Hz]1"
      SrcPort		      1
      Points		      [15, 0]
      Branch {
	Points			[0, -70]
	DstBlock		"phi_in\n[rad]"
	DstPort			1
      }
      Branch {
	Points			[55, 0]
      }
    }
    Line {
      Points		      [575, 135; 15, 0]
      Branch {
	Points			[0, -65]
	DstBlock		"phi_out\n[rad]"
	DstPort			1
      }
      Branch {
	DstBlock		"1/2pi"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "phase->freq"
      SrcPort		      1
      DstBlock		      "fout\n[Hz]"
      DstPort		      1
    }
    Line {
      SrcBlock		      "1/2pi"
      SrcPort		      1
      DstBlock		      "phase->freq"
      DstPort		      1
    }
    Line {
      SrcBlock		      "fref\n[Hz]"
      SrcPort		      1
      DstBlock		      "freq->phase\n[rad/Hz]1"
      DstPort		      1
    }
    Annotation {
      Position		      [412, 18]
      VerticalAlignment	      top
      ForegroundColor	      blue
      BackgroundColor	      yellow
      Text		      "Integer-N PLL - linear model"
      FontName		      "helvetica"
      FontSize		      14
    }
    Annotation {
      Position		      [52, 13]
      VerticalAlignment	      top
      ForegroundColor	      blue
      BackgroundColor	      yellow
      Text		      "Lab #1"
      FontName		      "helvetica"
      FontSize		      14
    }
  }
}