}
    Block {
      BlockType		      Display
      Name		      "Display"
      Ports		      [1]
      Position		      [845, 173, 1010, 297]
      FontSize		      10
      Decimation	      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "Error Rate\nCalculation"
      Ports		      [2, 1]
      Position		      [690, 207, 765, 258]
      FontSize		      10
      SourceBlock	      "commsink2/Error Rate\nCalculation"
      SourceType	      "Error Rate Calculation"
      N			      "1"
      st_delay		      "0"
      cp_mode		      "Entire frame"
      subframe		      "[]"
      PMode		      "Port"
      WsName		      "ErrorVec"
      RsMode2		      off
      stop		      off
      numErr		      "100"
      maxBits		      "1e6"
    }
    Block {
      BlockType		      SubSystem
      Name		      "General QAM\nDemodulator\nPassband"
      Ports		      [1, 1]
      Position		      [545, 217, 620, 273]
      AncestorBlock	      "commdigpbndam2/General QAM\nDemodulator\nPassba"
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      FontSize		      10
      TreatAsAtomicUnit	      off
      MaskType		      "General QAM Demodulator Passband"
      MaskDescription	      "Demodulate the input signal using the quadratur"
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      MaskHelp		      "helpview(commbhelp)"
      MaskPromptString	      "Signal constellation:|Symbol period (s):|Baseba"
"nd samples per symbol:|Carrier frequency (Hz):|Carrier initial phase (rad):|I"
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      MaskStyleString	      "edit,edit,edit,edit,edit,edit"
      MaskTunableValueString  "on,on,on,on,on,on"
      MaskCallbackString      "|||||"
      MaskEnableString	      "on,on,on,on,on,on"
      MaskVisibilityString    "on,on,on,on,on,on"
      MaskToolTipString	      "on,on,on,on,on,on"
      MaskVarAliasString      ",,,,,"
      MaskVariables	      "SigCon=@1;td=@2;numSamp=@3;Fc=@4;Ph=@5;InSamp=@"
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      MaskDisplay	      "plot(0,0,100,100,[5+1.5*[[0:.8:10] [10:1.6:20] "
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"sp('\\nGeneral\\nQAM')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "[exp(2*pi*i*[0:7]/8)]|1/100|1|3000|0|1/8000"
      System {
	Name			"General QAM\nDemodulator\nPassband"
	Location		[2, 82, 1142, 817]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"A4"
	PaperUnits		"centimeters"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "in_1"
	  Position		  [10, 50, 30, 70]
	  ShowName		  off
	}
	Block {
	  BlockType		  Reference
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	  Ports			  [1, 1]
	  Position		  [65, 39, 130, 81]
	  ShowName		  off
	  SourceBlock		  "dspsigattribs/Check Signal\nAttributes"
	  SourceType		  "Check Signal Attributes"
	  SigAttribCheckMethod	  "Matches attributes exactly"
	  Complexity		  "Ignore"
	  Frame			  "Frame-based"
	  DimsCheckMethod	  "Ignore"
	  Dimensions		  "1-D"
	  DatatypeCheckMethod	  "Ignore"
	  DatatypeGeneral	  "Boolean"
	  DtypeFloatSpecific	  "Any floating-point"
	  DtypeFixedSpecific	  "Any fixed-point"
	  DtypeIntSpecific	  "Any integer"
	  SampleMode		  "Ignore"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Discrete-Time\nScatter Plot\nScope"
	  Tag			  "ScatterPlot"
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	  Position		  [660, 35, 705, 85]
	  FontSize		  10
	  SourceBlock		  "commsink2/Discrete-Time\nScatter Plot\nScop"
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	  SourceType		  "Discrete-Time Scatter Plot Scope"
	  showPlotting		  on
	  sampPerSymb		  "1"
	  offsetEye		  "0"
	  numTraces		  "40"
	  numNewFrames		  "10"
	  showRendering		  off
	  LineMarkers		  "."
	  LineColors		  "b"
	  fading		  on
	  render		  on
	  AxisGrid		  on
	  showAxes		  off
	  xMin			  "-1.5"
	  xMax			  "1.5"
	  yMin			  "-1.5"
	  yMax			  "1.5"
	  inphaseLabel		  "In-phase Amplitude"
	  quadratureLabel	  "Quadrature Amplitude"
	  showFigure		  off
	  openScopeAtSimStart	  on
	  FrameNumber		  off
	  FigPos		  "[296 214 560 560]"
	  figTitle		  "Scatter Plot"
	  numLinesMax		  "8"
	  block_type_		  "scatter"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Frequency\nDown-Converter"
	  Ports			  [1, 1]
	  Position		  [160, 35, 255, 85]
	  ShowName		  off
	  SourceBlock		  "commblksprivate/PAM//QAM//PSK\nFrequency\nD"
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	  SourceType		  "PAM/QAM/PSK Frequency Down-Converter"
	  Fc			  "Fc"
	  Ph			  "Ph"
	  Tin			  "InSamp"
	  Tout			  "td/numSamp"
	}
	Block {
	  BlockType		  Reference
	  Name			  "General QAM\nDemodulator\nBaseband"
	  Ports			  [1, 1]
	  Position		  [340, 34, 415, 86]
	  ShowName		  off
	  SourceBlock		  "commdigbbndam2/General QAM\nDemodulator\nBa"
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	  SourceType		  "General QAM Demodulator Baseband"
	  SigCon		  "SigCon"
	  numSamp		  "numSamp"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Inherit Shape"
	  Ports			  [2, 1]
	  Position		  [450, 48, 540, 97]
	  ShowName		  off
	  SourceBlock		  "commblksprivate/Inherit Shape"
	  SourceType		  "Inherit Shape"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Integer Delay1"
	  Ports			  [1, 1]
	  Position		  [285, 42, 310, 78]
	  ShowName		  off
	  SourceBlock		  "dspsigops/Integer Delay"
	  SourceType		  "Integer Delay"
	  delay			  "numSamp-1"
	  ic			  "0"
	  reset_popup		  "None"
	}
	Block {
	  BlockType		  Outport
	  Name			  "out_1"
	  Position		  [560, 65, 580, 85]
	  ShowName		  off
	  InitialOutput		  "0"
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	  DstBlock		  "out_1"
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	  Points		  [5, 0]
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	  Branch {
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	  }
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	Line {
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	  DstBlock		  "Integer Delay1"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Check Signal\nAttributes"
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	  DstBlock		  "Frequency\nDown-Converter"
	  DstPort		  1
	}
	Line {
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	  Points		  [0, 0]
	  Branch {
	    Points		    [0, 45; 400, 0]
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	    DstPort		    2
	  }
	  Branch {
	    DstBlock		    "Check Signal\nAttributes"
	    DstPort		    1
	  }
	}
      }
    }
    Block {
      BlockType		      Reference
      Name		      "General QAM\nModulator\nPassband"
      Ports		      [1, 1]
      Position		      [220, 217, 295, 273]
      FontSize		      10
      SourceBlock	      "commdigpbndam2/General QAM\nModulator\nPassband"
      SourceType	      "General QAM Modulator Passband"
      SigCon		      "[exp(2*pi*i*[0:6]/7)]"
      td		      "1/100"
      numSamp		      "1"
      Fc		      "3000"
      Ph		      "0"
      OutSamp		      "1/8000"
    }
    Block {
      BlockType		      Reference
      Name		      "Random Integer\nGenerator"
      Ports		      [0, 1]
      Position		      [65, 223, 145, 267]
      FontName		      "Arial"
      FontSize		      10
      SourceBlock	      "commrandsrc2/Random Integer\nGenerator"
      SourceType	      "Random Integer Generator"
      mul		      "40"
      seed		      "12345"
      Ts		      "0.01"
      frameBased	      off
      sampPerFrame	      "1"
      orient		      off
    }
    Line {
      SrcBlock		      "Random Integer\nGenerator"
      SrcPort		      1
      Points		      [45, 0]
      Branch {
	Points			[0, -80; 455, 0; 0, 55]
	DstBlock		"Error Rate\nCalculation"
	DstPort			1
      }
      Branch {
	DstBlock		"General QAM\nModulator\nPassband"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "General QAM\nModulator\nPassband"
      SrcPort		      1
      DstBlock		      "AWGN\nChannel"
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    Line {
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      SrcPort		      1
      DstBlock		      "General QAM\nDemodulator\nPassband"
      DstPort		      1
    }
    Line {
      SrcBlock		      "General QAM\nDemodulator\nPassband"
      SrcPort		      1
      DstBlock		      "Error Rate\nCalculation"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Error Rate\nCalculation"
      SrcPort		      1
      DstBlock		      "Display"
      DstPort		      1
    }
  }
}