📄 dspsdadc2.mdl
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Realization "auto"
}
Block {
BlockType SubSystem
ShowPortLabels on
Permissions "ReadWrite"
PermitHierarchicalResolution "All"
SystemSampleTime "-1"
RTWFcnNameOpts "Auto"
RTWFileNameOpts "Auto"
SimViewingDevice off
DataTypeOverride "UseLocalSettings"
MinMaxOverflowLogging "UseLocalSettings"
}
Block {
BlockType Sum
IconShape "rectangular"
Inputs "++"
InputSameDT on
OutDataTypeMode "Same as first input"
OutDataType "sfix(16)"
OutScaling "2^0"
LockScale off
RndMeth "Floor"
SaturateOnIntegerOverflow on
SampleTime "-1"
}
Block {
BlockType ToWorkspace
VariableName "simulink_output"
MaxDataPoints "1000"
Decimation "1"
SampleTime "0"
FixptAsFi off
}
Block {
BlockType ZeroOrderHold
SampleTime "1"
}
}
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 "dspsdadc2"
Location [7, 110, 1016, 415]
Open on
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "135"
ReportName "simulink-default.rpt"
Block {
BlockType Signum
Name "1-bit\nquantizer"
Position [325, 89, 360, 121]
}
Block {
BlockType Reference
Name "Analog\nFilter Design"
Ports [1, 1]
Position [90, 78, 130, 132]
SourceBlock "dsparch4/Analog\nFilter Design"
SourceType "Analog Filter Design"
method "Butterworth"
filttype "Lowpass"
N "5"
Wlo "2*pi*400"
Whi "80"
Rp "2"
Rs "40"
Port {
PortNumber 1
Name "Analog\nInput"
RTWStorageClass "Auto"
DataLoggingNameMode "SignalName"
ShowSigGenPortName on
}
}
Block {
BlockType BusCreator
Name "Bus\nCreator"
Ports [2, 1]
Position [660, 26, 665, 64]
ShowName off
DialogController "Simulink.DDGSource_Bus"
Inputs "2"
DisplayOption "bar"
}
Block {
BlockType Reference
Name "FIR\nDecimation\nto 32 khz"
Ports [1, 1]
Position [520, 86, 565, 124]
DialogController "dspDDGCreate"
DialogControllerArgs "DataTag0"
SourceBlock "dspmlti4/FIR\nDecimation"
SourceType "FIR Decimation"
h "fir1(31, 0.15)"
D "4"
framing "Maintain input frame size"
outputBufInitCond "0"
additionalParams off
allowOverrides on
firstCoeffMode "Same word length as input"
firstCoeffWordLength "16"
firstCoeffFracLength "15"
outputMode "Same as accumulator"
outputWordLength "16"
outputFracLength "15"
accumMode "Inherit via internal rule"
accumWordLength "32"
accumFracLength "30"
prodOutputMode "Inherit via internal rule"
prodOutputWordLength "32"
prodOutputFracLength "30"
roundingMode "Floor"
overflowMode off
LockScale off
}
Block {
BlockType Reference
Name "FIR\nDecimation\nto 8kHz"
Ports [1, 1]
Position [590, 86, 635, 124]
DialogController "dspDDGCreate"
DialogControllerArgs "DataTag1"
SourceBlock "dspmlti4/FIR\nDecimation"
SourceType "FIR Decimation"
h "fir1(31, 0.15)"
D "4"
framing "Maintain input frame size"
outputBufInitCond "0"
additionalParams off
allowOverrides on
firstCoeffMode "Same word length as input"
firstCoeffWordLength "16"
firstCoeffFracLength "15"
outputMode "Same as accumulator"
outputWordLength "16"
outputFracLength "15"
accumMode "Inherit via internal rule"
accumWordLength "32"
accumFracLength "30"
prodOutputMode "Inherit via internal rule"
prodOutputWordLength "32"
prodOutputFracLength "30"
roundingMode "Floor"
overflowMode off
LockScale off
Port {
PortNumber 1
Name "magenta=adc_output"
RTWStorageClass "Auto"
DataLoggingNameMode "SignalName"
ShowSigGenPortName on
}
}
Block {
BlockType Reference
Name "FIR\nDecimation\nto128kHz"
Ports [1, 1]
Position [450, 86, 495, 124]
DialogController "dspDDGCreate"
DialogControllerArgs "DataTag2"
SourceBlock "dspmlti4/FIR\nDecimation"
SourceType "FIR Decimation"
h "fir1(31, 0.15)"
D "4"
framing "Maintain input frame size"
outputBufInitCond "0"
additionalParams off
allowOverrides on
firstCoeffMode "Same word length as input"
firstCoeffWordLength "16"
firstCoeffFracLength "15"
outputMode "Same as accumulator"
outputWordLength "16"
outputFracLength "15"
accumMode "Inherit via internal rule"
accumWordLength "32"
accumFracLength "30"
prodOutputMode "Inherit via internal rule"
prodOutputWordLength "32"
prodOutputFracLength "30"
roundingMode "Floor"
overflowMode off
LockScale off
}
Block {
BlockType Integrator
Name "Integrator"
Ports [1, 1]
Position [270, 89, 300, 121]
IgnoreLimit off
}
Block {
BlockType Scope
Name "Results"
Ports [1]
Position [690, 23, 720, 67]
ShowName off
Location [78, 506, 928, 704]
Open on
NumInputPorts "1"
ZoomMode "yonly"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "0.015"
YMin "-1"
YMax "1"
DataFormat "Array"
LimitDataPoints off
}
Block {
BlockType ZeroOrderHold
Name "Sample\nat 512kHz"
Position [390, 89, 425, 121]
SampleTime "1/512000"
Port {
PortNumber 1
Name "1-bit Error Signal"
RTWStorageClass "Auto"
DataLoggingNameMode "SignalName"
ShowSigGenPortName on
}
}
Block {
BlockType ZeroOrderHold
Name "Sample\nat 8KHz"
Position [225, 19, 260, 51]
SampleTime "1/8000"
}
Block {
BlockType SignalGenerator
Name "Signal\nGenerator"
Ports [0, 1]
Position [15, 78, 65, 132]
WaveForm "square"
Amplitude "0.75"
Frequency "80"
}
Block {
BlockType SubSystem
Name "SubSystem"
Ports []
Position [26, 177, 185, 218]
ShowName off
OpenFcn "plot_signal"
TreatAsAtomicUnit off
MinAlgLoopOccurrences off
RTWSystemCode "Auto"
MaskDisplay "disp('Plot signals using MATLAB.\\n Note the mi"
"nimum time step size.')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "SubSystem"
Location [148, 182, 646, 482]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
}
}
Block {
BlockType Sum
Name "Sum"
Ports [2, 1]
Position [220, 90, 250, 120]
ShowName off
IconShape "round"
Inputs "|+-"
}
Block {
BlockType ToWorkspace
Name "To Workspace"
Position [245, 175, 305, 205]
VariableName "analog"
MaxDataPoints "inf"
SampleTime "-1"
SaveFormat "Structure With Time"
}
Block {
BlockType ToWorkspace
Name "To Workspace1"
Position [450, 175, 490, 205]
VariableName "digital1"
MaxDataPoints "inf"
SampleTime "-1"
SaveFormat "Structure With Time"
}
Block {
BlockType ToWorkspace
Name "To Workspace2"
Position [535, 176, 570, 204]
VariableName "digital2"
MaxDataPoints "inf"
SampleTime "-1"
SaveFormat "Structure With Time"
}
Block {
BlockType Reference
Name "delay 5 samples"
Ports [1, 1]
Position [290, 17, 335, 53]
SourceBlock "dspobslib/Integer Delay"
SourceType "Integer Delay"
delay "5"
ic "0"
reset_popup "None"
Port {
PortNumber 1
Name "yellow=adc input"
RTWStorageClass "Auto"
DataLoggingNameMode "SignalName"
ShowSigGenPortName on
}
}
Line {
SrcBlock "FIR\nDecimation\nto 32 khz"
SrcPort 1
Points [0, 0]
DstBlock "FIR\nDecimation\nto 8kHz"
DstPort 1
}
Line {
Name "magenta=adc_output"
Labels [-1, 0]
SrcBlock "FIR\nDecimation\nto 8kHz"
SrcPort 1
Points [5, 0]
DstBlock "Bus\nCreator"
DstPort 2
}
Line {
Name "Analog\nInput"
Labels [0, 0]
SrcBlock "Analog\nFilter Design"
SrcPort 1
Points [55, 0]
Branch {
Points [0, 0]
Branch {
DstBlock "Sum"
DstPort 1
}
Branch {
Points [0, 85]
DstBlock "To Workspace"
DstPort 1
}
}
Branch {
Points [0, -70]
DstBlock "Sample\nat 8KHz"
DstPort 1
}
}
Line {
SrcBlock "Signal\nGenerator"
SrcPort 1
DstBlock "Analog\nFilter Design"
DstPort 1
}
Line {
SrcBlock "1-bit\nquantizer"
SrcPort 1
Points [0, 0]
DstBlock "Sample\nat 512kHz"
DstPort 1
}
Line {
Name "1-bit Error Signal"
SrcBlock "Sample\nat 512kHz"
SrcPort 1
Points [0, 0; 15, 0]
Branch {
DstBlock "FIR\nDecimation\nto128kHz"
DstPort 1
}
Branch {
Points [-10, 0; 0, 55]
Branch {
Points [-200, 0]
DstBlock "Sum"
DstPort 2
}
Branch {
DstBlock "To Workspace1"
DstPort 1
}
}
}
Line {
SrcBlock "Sum"
SrcPort 1
DstBlock "Integrator"
DstPort 1
}
Line {
SrcBlock "FIR\nDecimation\nto128kHz"
SrcPort 1
Points [5, 0]
Branch {
DstBlock "FIR\nDecimation\nto 32 khz"
DstPort 1
}
Branch {
Points [0, 85]
DstBlock "To Workspace2"
DstPort 1
}
}
Line {
SrcBlock "Integrator"
SrcPort 1
DstBlock "1-bit\nquantizer"
DstPort 1
}
Line {
SrcBlock "Bus\nCreator"
SrcPort 1
Points [0, 0]
DstBlock "Results"
DstPort 1
}
Line {
Labels [0, 0]
SrcBlock "Sample\nat 8KHz"
SrcPort 1
Points [0, 0]
DstBlock "delay 5 samples"
DstPort 1
}
Line {
Name "yellow=adc input"
Labels [0, 0]
SrcBlock "delay 5 samples"
SrcPort 1
DstBlock "Bus\nCreator"
DstPort 1
}
}
}
MatData {
NumRecords 3
DataRecord {
Tag DataTag2
Data " %)30 . < 8 ( 0 % "
"\" $ ! 0 . 0 8 ( ! % \" $ "
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DataRecord {
Tag DataTag1
Data " %)30 . < 8 ( 0 % "
"\" $ ! 0 . 0 8 ( ! % \" $ "
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DataRecord {
Tag DataTag0
Data " %)30 . < 8 ( 0 % "
"\" $ ! 0 . 0 8 ( ! % \" $ "
", 0 0 # $9)4D1E8TEN=&5R< "
}
}
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