📄 varactor_test.mdl
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SampleTime "1/(2.56*BW)"
}
Block {
BlockType ZeroOrderHold
Name "sampler1"
Position [215, 126, 250, 164]
SampleTime "1/(2.56*BW)"
}
Block {
BlockType Outport
Name "Excitation"
Position [300, 233, 330, 247]
IconDisplay "Port number"
BusOutputAsStruct off
}
Block {
BlockType Outport
Name "Mag"
Position [475, 63, 505, 77]
Port "2"
IconDisplay "Port number"
BusOutputAsStruct off
}
Block {
BlockType Outport
Name "Phase"
Position [480, 123, 510, 137]
Port "3"
IconDisplay "Port number"
BusOutputAsStruct off
}
Line {
SrcBlock "Transfer Function"
SrcPort 2
DstBlock "Phase"
DstPort 1
}
Line {
SrcBlock "Transfer Function"
SrcPort 1
DstBlock "Mag"
DstPort 1
}
Line {
SrcBlock "sampler1"
SrcPort 1
Points [15, 0; 0, -15]
DstBlock "Transfer Function"
DstPort 2
}
Line {
SrcBlock "sampler"
SrcPort 1
Points [15, 0; 0, 10]
DstBlock "Transfer Function"
DstPort 1
}
Line {
SrcBlock "anti alias2"
SrcPort 1
DstBlock "Excitation"
DstPort 1
}
Line {
SrcBlock "Uniform Random\nNumber"
SrcPort 1
DstBlock "anti alias2"
DstPort 1
}
Line {
SrcBlock "Response"
SrcPort 1
DstBlock "anti alias1"
DstPort 1
}
Line {
SrcBlock "anti alias1"
SrcPort 1
DstBlock "sampler1"
DstPort 1
}
Line {
SrcBlock "Reference "
SrcPort 1
DstBlock "anti alias"
DstPort 1
}
Line {
SrcBlock "anti alias"
SrcPort 1
DstBlock "sampler"
DstPort 1
}
Annotation {
Name "Bandlimited Excitation"
Position [216, 199]
}
}
}
Block {
BlockType Reference
Name "C"
Ports [1, 1]
Position [385, 354, 450, 386]
SourceBlock "simulink/Math\nOperations/Slider\nGain"
SourceType "Slider Gain"
ShowPortLabels on
low "0"
gain "2.5e-011"
high "1e-010"
}
Block {
BlockType Gain
Name "C_to_Pf"
Position [845, 225, 875, 255]
Gain "1e12"
}
Block {
BlockType Reference
Name "G"
Ports [0, 0, 0, 0, 0, 1]
Position [424, 260, 446, 285]
Orientation "down"
AttributesFormatString "\\n"
SourceBlock "powerlib/Elements/Ground"
SourceType "Ground"
PhysicalDomain "powersysdomain"
SubClassName "unknown"
LeftPortType "p1"
RightPortType "p1"
LConnTagsString "a"
}
Block {
BlockType Reference
Name "G1"
Ports [0, 0, 0, 0, 0, 1]
Position [729, 520, 751, 545]
Orientation "down"
ShowName off
AttributesFormatString "\\n"
SourceBlock "powerlib/Elements/Ground"
SourceType "Ground"
PhysicalDomain "powersysdomain"
SubClassName "unknown"
LeftPortType "p1"
RightPortType "p1"
LConnTagsString "a"
}
Block {
BlockType Reference
Name "L \n10 uH"
Ports [0, 0, 0, 0, 0, 1, 1]
Position [848, 125, 872, 170]
Orientation "down"
NamePlacement "alternate"
FontSize 10
SourceBlock "powerlib/Elements/Series RLC Branch"
SourceType "Series RLC Branch"
PhysicalDomain "powersysdomain"
SubClassName "unknown"
LeftPortType "p1"
RightPortType "p1"
LConnTagsString "__new0"
RConnTagsString "__new0"
Resistance "0"
Inductance "10e-6"
Capacitance "inf"
Measurements "None"
}
Block {
BlockType Reference
Name "L \n10 uH1"
Ports [0, 0, 0, 0, 0, 1, 1]
Position [728, 420, 752, 465]
Orientation "down"
NamePlacement "alternate"
FontSize 10
SourceBlock "powerlib/Elements/Series RLC Branch"
SourceType "Series RLC Branch"
PhysicalDomain "powersysdomain"
SubClassName "unknown"
LeftPortType "p1"
RightPortType "p1"
LConnTagsString "__new0"
RConnTagsString "__new0"
Resistance "0"
Inductance "10e-6"
Capacitance "inf"
Measurements "None"
}
Block {
BlockType Gain
Name "Level"
Position [280, 170, 310, 200]
Gain "0.1"
}
Block {
BlockType Display
Name "MHz"
Ports [1]
Position [915, 300, 1005, 330]
FontSize 10
Decimation "100"
}
Block {
BlockType Reference
Name "Magnitude dB"
Ports [1]
Position [310, 210, 345, 260]
SourceBlock "dspsnks4/Vector\nScope"
SourceType "Vector Scope"
ScopeProperties on
Domain "Frequency"
HorizSpan "1"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "[15 321 372 236]"
AxisProperties off
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr on
XIncr "2*Fs"
XLabel "Time"
YUnits "dB"
YMin "-72.383011667713"
YMax "44.0940488527939"
YLabel "dB"
LineProperties off
LineColors "[1 0 0]|[1 0 0]"
ShowPortLabels off
}
Block {
BlockType Reference
Name "Manual Switch"
Ports [2, 1]
Position [925, 412, 955, 448]
SourceBlock "simulink/Signal\nRouting/Manual Switch"
SourceType "Manual Switch"
ShowPortLabels on
sw "1"
action "0"
}
Block {
BlockType Display
Name "Pico Farads"
Ports [1]
Position [910, 225, 1000, 255]
FontSize 10
Decimation "100"
}
Block {
BlockType SubSystem
Name "Predicted Resonant Frequency"
Ports [1, 1]
Position [830, 284, 900, 346]
TreatAsAtomicUnit off
MinAlgLoopOccurrences off
RTWSystemCode "Auto"
System {
Name "Predicted Resonant Frequency"
Location [290, 586, 890, 794]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "Cin"
Position [40, 28, 70, 42]
Port "1"
IconDisplay "Port number"
LatchInput off
}
Block {
BlockType Gain
Name "Gain"
Position [325, 30, 355, 60]
Gain "1e-6/(2*pi) % display units of MHz"
}
Block {
BlockType Constant
Name "L_val"
Position [30, 95, 60, 125]
Value "10e-6"
}
Block {
BlockType Math
Name "Math\nFunction"
Ports [1, 1]
Position [265, 30, 295, 60]
Operator "reciprocal"
}
Block {
BlockType Math
Name "Math\nFunction1"
Ports [1, 1]
Position [180, 30, 210, 60]
Operator "sqrt"
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [105, 26, 150, 59]
InputSameDT off
RndMeth "Floor"
}
Block {
BlockType Outport
Name "Fout"
Position [390, 38, 420, 52]
IconDisplay "Port number"
BusOutputAsStruct off
}
Line {
SrcBlock "L_val"
SrcPort 1
Points [10, 0; 0, -60]
DstBlock "Product"
DstPort 2
}
Line {
SrcBlock "Product"
SrcPort 1
DstBlock "Math\nFunction1"
DstPort 1
}
Line {
SrcBlock "Math\nFunction1"
SrcPort 1
DstBlock "Math\nFunction"
DstPort 1
}
Line {
SrcBlock "Cin"
SrcPort 1
DstBlock "Product"
DstPort 1
}
Line {
SrcBlock "Math\nFunction"
SrcPort 1
DstBlock "Gain"
DstPort 1
}
Line {
SrcBlock "Gain"
SrcPort 1
DstBlock "Fout"
DstPort 1
}
}
}
Block {
BlockType Reference
Name "Rs\n"
Ports [0, 0, 0, 0, 0, 1, 1]
Position [450, 51, 520, 79]
FontSize 10
SourceBlock "powerlib/Elements/Series RLC Branch"
SourceType "Series RLC Branch"
PhysicalDomain "powersysdomain"
SubClassName "unknown"
LeftPortType "p1"
RightPortType "p1"
LConnTagsString "__new0"
RConnTagsString "__new0"
Resistance "10"
Inductance "0"
Capacitance "inf"
Measurements "None"
}
Block {
BlockType Reference
Name "Rs\n1"
Ports [0, 0, 0, 0, 0, 1, 1]
Position [510, 386, 580, 414]
FontSize 10
SourceBlock "powerlib/Elements/Series RLC Branch"
SourceType "Series RLC Branch"
PhysicalDomain "powersysdomain"
SubClassName "unknown"
LeftPortType "p1"
RightPortType "p1"
LConnTagsString "__new0"
RConnTagsString "__new0"
Resistance "10"
Inductance "0"
Capacitance "inf"
Measurements "None"
}
Block {
BlockType Sum
Name "Sum"
Ports [2, 1]
Position [355, 175, 375, 195]
ShowName off
IconShape "round"
Inputs "|++"
InputSameDT off
OutDataTypeMode "Inherit via internal rule"
}
Block {
BlockType Terminator
Name "Terminator"
Position [270, 250, 290, 270]
}
Block {
BlockType SubSystem
Name "Varactor \n(voltage variable capacitor)"
Ports [0, 1, 0, 0, 0, 1, 1]
Position [555, 43, 755, 87]
TreatAsAtomicUnit off
MinAlgLoopOccurrences off
RTWSystemCode "Auto"
MaskPromptString "Capacitance Vr==0 (Cjo)|Junction Potential (Vj)"
"|Grading Coefficient (M)|Package Capacitance (Cp)"
MaskStyleString "edit,edit,edit,edit"
MaskTunableValueString "on,on,on,on"
MaskCallbackString "|||"
MaskEnableString "on,on,on,on"
MaskVisibilityString "on,on,on,on"
MaskToolTipString "on,on,on,on"
MaskVarAliasString ",,,"
MaskVariables "Cjo=@1;Vj=@2;M=@3;Cp=@4;"
MaskDisplay "disp('C = Cp + Cjo/((1+Vr/Vj)^M)')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "100e-12|0.7|0.5|5e-12"
MaskTabNameString ",,,"
System {
Name "Varactor \n(voltage variable capacitor)"
Location [33, 100, 835, 392]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType SubSystem
Name "C vs V "
Ports [1, 1]
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