}
	    Line {
	      SrcBlock		      "    "
	      SrcPort		      1
	      DstBlock		      "Sum2"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "      "
	      SrcPort		      1
	      Points		      [0, 0; -10, 0]
	      Branch {
		Points			[0, 40; 90, 0]
		DstBlock		"Sum2"
		DstPort			2
	      }
	      Branch {
		DstBlock		"Switch"
		DstPort			3
	      }
	    }
	    Line {
	      SrcBlock		      "Sum2"
	      SrcPort		      1
	      DstBlock		      "      "
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "LOCK\nSIGNAL"
	      SrcPort		      1
	      Points		      [-160, 0; 0, 35]
	      DstBlock		      "Switch"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "  QPSK Phase\n  Error Detector"
	      SrcPort		      1
	      Points		      [0, 85]
	      DstBlock		      "Switch"
	      DstPort		      1
	    }
	    Annotation {
	      Name		      "KICK IT IF NO LOCK"
	      Position		      [589, 364]
	    }
	    Annotation {
	      Name		      "Decision-directed QPSK\nphase recovery "
"loop\n\nRobert Morelos-Zaragoza\nSan Jose State University\nCopyright (c) 200"
"5"
	      Position		      [398, 425]
	      FontName		      "Arial"
	      FontSize		      11
	      FontWeight	      "bold"
	    }
	  }
	}
	Block {
	  BlockType		  Reference
	  Name			  "Eye Diagram\nQuadrature MF output"
	  Tag			  "EyeDiagram"
	  Ports			  [1]
	  Position		  [545, 34, 620, 86]
	  NamePlacement		  "alternate"
	  SourceBlock		  "commsink2/Discrete-Time\nEye Diagram\nScope"
	  SourceType		  "Discrete-Time Eye Diagram Scope"
	  ShowPortLabels	  on
	  sampPerSymb		  "4"
	  offsetEye		  "0"
	  symbPerTrace		  "2"
	  numTraces		  "100"
	  numNewFrames		  "10"
	  LineStyles		  "-"
	  LineColors		  "b"
	  dupPoints		  on
	  fading		  on
	  render		  on
	  AxisGrid		  on
	  yMin			  "-1.5"
	  yMax			  "1.5"
	  inphaseLabel		  "In-phase Amplitude"
	  quadratureLabel	  "Quadrature Amplitude"
	  openScopeAtSimStart	  on
	  dispDiagram		  "In-phase Only"
	  FrameNumber		  off
	  FigPos		  "[4 19 363 316]"
	  figTitle		  "MF OUTPUT EYE DIAGRAM"
	  block_type_		  "eye"
	  numLinesMax		  "8"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Eye Diagram\nQuadrature PLLs output"
	  Tag			  "EyeDiagram"
	  Ports			  [1]
	  Position		  [545, 94, 620, 146]
	  SourceBlock		  "commsink2/Discrete-Time\nEye Diagram\nScope"
	  SourceType		  "Discrete-Time Eye Diagram Scope"
	  ShowPortLabels	  on
	  sampPerSymb		  "4"
	  offsetEye		  "0"
	  symbPerTrace		  "2"
	  numTraces		  "100"
	  numNewFrames		  "10"
	  LineStyles		  "-"
	  LineColors		  "b"
	  dupPoints		  on
	  fading		  on
	  render		  on
	  AxisGrid		  on
	  yMin			  "-1.5"
	  yMax			  "1.5"
	  inphaseLabel		  "In-phase Amplitude"
	  quadratureLabel	  "Quadrature Amplitude"
	  openScopeAtSimStart	  on
	  dispDiagram		  "In-phase Only"
	  FrameNumber		  off
	  FigPos		  "[371 21 362 315]"
	  figTitle		  "PLL's OUTPUT EYE DIAGRAM"
	  block_type_		  "eye"
	  numLinesMax		  "8"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "NDA timing\nrecovery loop"
	  Ports			  [2, 2]
	  Position		  [225, 216, 290, 269]
	  NamePlacement		  "alternate"
	  FontName		  "Arial"
	  TreatAsAtomicUnit	  off
	  MinAlgLoopOccurrences	  off
	  RTWSystemCode		  "Auto"
	  System {
	    Name		    "NDA timing\nrecovery loop"
	    Location		    [27, 82, 822, 550]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "I in"
	      Position		      [30, 43, 60, 57]
	      FontName		      "Arial"
	      Port		      "1"
	      IconDisplay	      "Port number"
	      LatchInput	      off
	    }
	    Block {
	      BlockType		      Inport
	      Name		      "Q in"
	      Position		      [30, 83, 60, 97]
	      FontName		      "Arial"
	      Port		      "2"
	      IconDisplay	      "Port number"
	      LatchInput	      off
	    }
	    Block {
	      BlockType		      ComplexToRealImag
	      Name		      " "
	      Ports		      [1, 2]
	      Position		      [660, 55, 710, 115]
	      Output		      "Real and imag"
	    }
	    Block {
	      BlockType		      RealImagToComplex
	      Name		      "     "
	      Ports		      [2, 1]
	      Position		      [130, 32, 165, 108]
	      NamePlacement	      "alternate"
	      FontName		      "Arial"
	      Input		      "Real and imag"
	      SampleTime	      "Tr/4"
	    }
	    Block {
	      BlockType		      SubSystem
	      Name		      "         "
	      Ports		      [1, 1, 1]
	      Position		      [243, 125, 287, 175]
	      Orientation	      "up"
	      TreatAsAtomicUnit	      on
	      MinAlgLoopOccurrences   off
	      RTWSystemCode	      "Auto"
	      System {
		Name			"         "
		Location		[253, 448, 571, 600]
		Open			off
		ModelBrowserVisibility	off
		ModelBrowserWidth	200
		ScreenColor		"white"
		PaperOrientation	"landscape"
		PaperPositionMode	"auto"
		PaperType		"usletter"
		PaperUnits		"inches"
		ZoomFactor		"100"
		Block {
		  BlockType		  Inport
		  Name			  "In"
		  Position		  [55, 48, 85, 62]
		  Port			  "1"
		  IconDisplay		  "Port number"
		  LatchInput		  off
		}
		Block {
		  BlockType		  EnablePort
		  Name			  "Enable"
		  Ports			  []
		  Position		  [150, 70, 170, 90]
		}
		Block {
		  BlockType		  Outport
		  Name			  "Out"
		  Position		  [255, 48, 285, 62]
		  IconDisplay		  "Port number"
		  BusOutputAsStruct	  off
		}
		Line {
		  SrcBlock		  "In"
		  SrcPort		  1
		  DstBlock		  "Out"
		  DstPort		  1
		}
	      }
	    }
	    Block {
	      BlockType		      SubSystem
	      Name		      "  Timing\n  Error\n  Detector "
	      Ports		      [1, 1]
	      Position		      [534, 195, 596, 245]
	      Orientation	      "down"
	      TreatAsAtomicUnit	      off
	      MinAlgLoopOccurrences   off
	      RTWSystemCode	      "Auto"
	      Port {
		PortNumber		1
		Name			"eps"
		RTWStorageClass		"Auto"
		DataLoggingNameMode	"SignalName"
		ShowSigGenPortName	on
	      }
	      System {
		Name			"  Timing\n  Error\n  Detector "
		Location		[137, 169, 980, 609]
		Open			off
		ModelBrowserVisibility	off
		ModelBrowserWidth	200
		ScreenColor		"white"
		PaperOrientation	"landscape"
		PaperPositionMode	"auto"
		PaperType		"usletter"
		PaperUnits		"inches"
		ZoomFactor		"100"
		Block {
		  BlockType		  Inport
		  Name			  "in"
		  Position		  [20, 143, 50, 157]
		  Port			  "1"
		  IconDisplay		  "Port number"
		  LatchInput		  off
		}
		Block {
		  BlockType		  ComplexToRealImag
		  Name			  "Complex to\nReal-Imag"
		  Ports			  [1, 2]
		  Position		  [120, 133, 150, 162]
		  Output		  "Real and imag"
		}
		Block {
		  BlockType		  Reference
		  Name			  "Delay2"
		  Ports			  [1, 1]
		  Position		  [230, 25, 275, 65]
		  SourceBlock		  "dspsigops/Delay"
		  SourceType		  "Delay"
		  dly_unit		  "Samples"
		  delay			  "2"
		  ic_detail		  off
		  dif_ic_for_ch		  off
		  dif_ic_for_dly	  off
		  ic			  "0"
		  reset_popup		  "None"
		}
		Block {
		  BlockType		  Reference
		  Name			  "Delay3"
		  Ports			  [1, 1]
		  Position		  [335, 24, 380, 66]
		  SourceBlock		  "dspsigops/Delay"
		  SourceType		  "Delay"
		  dly_unit		  "Samples"
		  delay			  "2"
		  ic_detail		  off
		  dif_ic_for_ch		  off
		  dif_ic_for_dly	  off
		  ic			  "0"
		  reset_popup		  "None"
		}
		Block {
		  BlockType		  Reference
		  Name			  "Delay6"
		  Ports			  [1, 1]
		  Position		  [220, 245, 275, 285]
		  SourceBlock		  "dspsigops/Delay"
		  SourceType		  "Delay"
		  dly_unit		  "Samples"
		  delay			  "2"
		  ic_detail		  off
		  dif_ic_for_ch		  off
		  dif_ic_for_dly	  off
		  ic			  "0"
		  reset_popup		  "None"
		}
		Block {
		  BlockType		  Reference
		  Name			  "Delay7"
		  Ports			  [1, 1]
		  Position		  [315, 245, 370, 285]
		  SourceBlock		  "dspsigops/Delay"
		  SourceType		  "Delay"
		  dly_unit		  "Samples"
		  delay			  "2"
		  ic_detail		  off
		  dif_ic_for_ch		  off
		  dif_ic_for_dly	  off
		  ic			  "0"
		  reset_popup		  "None"
		}
		Block {
		  BlockType		  Product
		  Name			  "Product"
		  Ports			  [2, 1]
		  Position		  [545, 77, 575, 108]
		  InputSameDT		  off
		  OutDataTypeMode	  "Inherit via internal rule"
		  SaturateOnIntegerOverflow off
		}
		Block {
		  BlockType		  Product
		  Name			  "Product1"
		  Ports			  [2, 1]
		  Position		  [540, 332, 570, 363]
		  InputSameDT		  off
		  OutDataTypeMode	  "Inherit via internal rule"
		  SaturateOnIntegerOverflow off
		}
		Block {
		  BlockType		  Signum
		  Name			  "Sign"
		  Position		  [415, 70, 445, 100]
		}
		Block {
		  BlockType		  Signum
		  Name			  "Sign1"
		  Position		  [375, 325, 405, 355]
		}
		Block {
		  BlockType		  Sum
		  Name			  "Subtract"
		  Ports			  [2, 1]
		  Position		  [490, 122, 520, 153]
		  Inputs		  "-+"
		  InputSameDT		  off
		  OutDataTypeMode	  "Inherit via internal rule"
		  OutScaling		  "2^-10"
		  SaturateOnIntegerOverflow off
		}
		Block {
		  BlockType		  Sum
		  Name			  "Subtract1"
		  Ports			  [2, 1]
		  Position		  [485, 377, 515, 408]
		  Inputs		  "-+"
		  InputSameDT		  off
		  OutDataTypeMode	  "Inherit via internal rule"
		  OutScaling		  "2^-10"
		  SaturateOnIntegerOverflow off
		}
		Block {
		  BlockType		  Sum
		  Name			  "Sum"
		  Ports			  [2, 1]
		  Position		  [615, 210, 640, 245]
		  ShowName		  off
		  InputSameDT		  off
		  OutDataTypeMode	  "Inherit via internal rule"
		  SaturateOnIntegerOverflow off
		}
		Block {
		  BlockType		  Outport
		  Name			  "eps"
		  Position		  [790, 223, 820, 237]
		  IconDisplay		  "Port number"
		  BusOutputAsStruct	  off
		}
		Line {
		  SrcBlock		  "Delay3"
		  SrcPort		  1
		  Points		  [90, 0]
		  DstBlock		  "Subtract"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Delay7"
		  SrcPort		  1
		  Points		  [95, 0]
		  DstBlock		  "Subtract1"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "in"
		  SrcPort		  1
		  DstBlock		  "Complex to\nReal-Imag"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Complex to\nReal-Imag"
		  SrcPort		  1
		  Points		  [15, 0; 0, -95; 40, 0]
		  Branch {
		    DstBlock		    "Delay2"
		    DstPort		    1
		  }
		  Branch {
		    Points		    [0, 100]
		    DstBlock		    "Subtract"
		    DstPort		    2
		  }
		}
		Line {
		  SrcBlock		  "Complex to\nReal-Imag"
		  SrcPort		  2
		  Points		  [10, 0; 0, 110; 40, 0]
		  Branch {
		    DstBlock		    "Delay6"
		    DstPort		    1
		  }
		  Branch {
		    Points		    [0, 135]
		    DstBlock		    "Subtract1"
		    DstPort		    2
		  }
		}
		Line {
		  SrcBlock		  "Sum"
		  SrcPort		  1
		  DstBlock		  "eps"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Subtract1"
		  SrcPort		  1
		  Points		  [5, 0]
		  DstBlock		  "Product1"
		  DstPort		  2
		}
		Line {
		  SrcBlock		  "Product1"
		  SrcPort		  1
		  Points		  [15, 0; 0, -115]
		  DstBlock		  "Sum"
		  DstPort		  2
		}
		Line {
		  SrcBlock		  "Subtract"
		  SrcPort		  1
		  Points		  [5, 0]
		  DstBlock		  "Product"
		  DstPort		  2
		}
		Line {
		  SrcBlock		  "Product"
		  SrcPort		  1
		  Points		  [10, 0; 0, 125]
		  DstBlock		  "Sum"
		  DstPort		  1
		}
		Line {
		  SrcBlock		  "Delay2"
		  SrcPort		  1
		  Points		  [0, 0; 20, 0]
		  Branch {
		    DstBlock		    "Delay3"
		    DstPort		    1
		  }
		  Branch {
		    Points		    [0, 40]
		    DstBlock		    "Sign"
		    DstPort		    1
		  }
		}
		Line {
		  SrcBlock		  "Delay6"
		  SrcPort		  1
		  Points		  [5, 0]
		  Branch {
		    DstBlock		    "Delay7"
		    DstPort		    1
		  }
		  Branch {
		    Points		    [0, 75]
		    DstBlock		    "Sign1"
		    DstPort		    1
		  }
		}