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Added Surface-mount chip resistor model.

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This commit is contained in:
MikeBrinson 2017-11-09 11:25:58 +00:00
parent ea2dde018e
commit fc15dbc607
2 changed files with 227 additions and 2 deletions
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141
examples/ngspice/RFLumpComp/RFLumpedComponents.lib
View File

@ -75,8 +75,8 @@ Wlength2; Wire 2 lead length (m); 8e-3
Blength; Resistor external body length (m); 6.3e-3
Bradius; Resistor external body radius (m); 1.2e-3
H; Distance from resistor to ground plane (m); 1.6e-3
Erb; Resistor tube relative permiability; 9.9
Erp; Printed circuit board relative permiability; 3.2
Erb; Resistor tube relative permitivity; 9.9
Erp; Printed circuit board relative permitivity; 3.2
Test examples: (1) Test_RATF_EquivalentCircuitD.sch
@ -200,4 +200,141 @@ C3 nP2 0 { Cpad/2 }
</Symbol>
</Component>
<Component RFChipRes>
<Description>
Surface-mount chip resistor model.
9 November 2017 Mike Brinson mbrin72043@yahoo.co.uk
Parameters; Description; Default values for package 0805.
R0; Nominal resistance at Tnom; 50
tc1; First order temperature coefficient (1/K); 0.0
tc2; Second order temperature coefficient (1/(K*K)); 0.0
tnom; Parameter measurement temoerature (C); 26.58
temp; Circuit temperature (C); 26.58
Ls; Resistance serial inductance; 0.316n
Cp; Resistor parallel parasitic capacitance; 50.3f
Test examples: (1) Test_chip_res_basic.sch
References
[1] See Qucs-S_help, Chapter 13, for model specification and description.
[2] "Inder Bahl, Lumped elements for RF and microwave circuits", Arktech House,
Boston, London, 2003. ISBN 1-58053309-4
</Description>
<Model>
.Def:RFLumpedComponents_RFChipRes nP1 nP2 R0="50" Tc1="0.0" Tc2="0.0" tnom="26.58" temp="26.58" Ls="0.316n" Cp="50.3f"
.Def:End
</Model>
<Spice>* Qucs 0.0.19 RFLumpedComponents_RFChipRes.sch
.SUBCKT RFLumpedComponents_RFChipRes gnd nP1 nP2 R0=50 Tc1=0.0 Tc2=0.0 tnom=26.58 temp=26.58 Ls=0.316n Cp=50.3f
R1 nP2 n1 {R0} rmod (tc1={tc1} tc2={tc2} temp={temp})
L nP1 n1 {Ls}
C1 nP1 nP2 {Cp}
.MODEL rmod r (tnom = {tnom})
.ENDS
</Spice>
<SpiceAttach >
<Symbol>
<Line -60 -40 20 0 #000000 2 1>
<Rectangle -40 -50 100 20 #aa0000 3 1 #aa5500 1 1>
<Line 60 -40 20 0 #000000 2 1>
<.PortSym -60 -40 1 0>
<.PortSym 80 -40 2 180>
<.ID -35 -26 R_CHIP "1=R0=50=Nominal resistance at Tnom.=" "1=Tc1=0.0=Resistance linear temperature coefficient in parts per million.=" "1=Tc2=0.0=Resistance quadratic temperature coefficient in parts per million.=" "1=tnom=26.58=Parameter measurement temperature in Celsius.=" "1=temp=26.58=Circuit temperature in Celsius.=" "1=Ls=0.316n=Series inductance in H.=" "1=Cp=50.3f=Chip parallel capacitance in F=">
</Symbol>
</Component>
<Component RFChipResPgen>
<Description>
Surface-mount chip resistor model.
9 November 2017 Mike Brinson mbrin72043@yahoo.co.uk
Parameters; Description; Default values for package 0805.
R0; Nominal resistance at Tnom; 50
tc1; First order temperature coefficient (1/K); 0.0
tc2; Second order temperature coefficient (1/(K*K)); 0.0
tnom; Parameter measurement temoerature (C); 26.58
temp; Circuit temperature (C); 26.58
Wstrip; Width of resistor (m); 1.25e-3
Lstrip; Length of resistor (m); 2.0e-3
Hstrip; Height of resistor (m); 0.5e-3
Test examples: (1) Test_chip_res_basic.sch
References
[1] See Qucs-S_help, Chapter 13, for model specification and description.
[2] "Inder Bahl, Lumped elements for RF and microwave circuits", Arktech House,
Boston, London, 2003. ISBN 1-58053309-4
</Description>
<Model>
.Def:RFLumpedComponents_RFChipResPgen nP1 nP2 nCp nLs R0="50" Tc1="0.0" Tc2="0.0" tnom="26.58" temp="26.58" Wstrip="1.25e-3" Lstrip="2.0e-3" Hstrip="0.5e-3"
S4Q_I:I1 gnd nCp I="dc 0.0 ac {Cp}" I_Line 2="" I_Line 3="" I_Line 4="" I_Line 5=""
S4Q_I:I2 gnd nLs I="dc 0.0 ac {Ls}" I_Line 2="" I_Line 3="" I_Line 4="" I_Line 5=""
Eqn:Eqn1 Rstrip="Wstrip/2" Ls="{ 2.0e-7*Lstrip*(0.5*log(2.0*Lstrip/Wstrip) +(Wstrip/(3.0*Lstrip)))}" Cp="{ 5.56e-11/( log(2.0*Lstrip/Rstrip)-0.75)*1e-3 }" Export="yes"
.Def:End
</Model>
<Spice>* Qucs 0.0.19 RFLumpedComponents_RFChipResPgen.sch
.SUBCKT RFLumpedComponents_RFChipResPgen gnd nP1 nP2 nCp nLs R0=50 Tc1=0.0 Tc2=0.0 tnom=26.58 temp=26.58 Wstrip=1.25e-3 Lstrip=2.0e-3 Hstrip=0.5e-3
.PARAM Rstrip=Wstrip/2
.PARAM Ls={2.0e-7*Lstrip*(0.5*log(2.0*Lstrip/Wstrip)+(Wstrip/(3.0*Lstrip)))}
.PARAM Cp={5.56e-11/(log(2.0*Lstrip/Rstrip)-0.75)*1e-3}
R1 nP2 n1 {R0} rmod (tc1={tc1} tc2={tc2} temp={temp})
L nP1 n1 {Ls}
C1 nP1 nP2 {Cp}
R2 0 nCp 1
I1 0 nCp dc 0.0 ac {Cp}
R3 0 nLs 1
I2 0 nLs dc 0.0 ac {Ls}
.MODEL rmod r (tnom = {tnom})
.ENDS
</Spice>
<SpiceAttach >
<Symbol>
<Line -30 -20 0 -10 #000000 4 1>
<Line -30 -30 10 0 #00007f 4 1>
<Line -20 -30 0 10 #00007f 4 1>
<Line -20 -20 10 0 #000000 4 1>
<Line -10 -20 0 -10 #00007f 4 1>
<Line -10 -30 10 0 #00007f 4 1>
<Line 0 -30 0 10 #00007f 4 1>
<Line 0 -20 20 0 #00007f 2 1>
<Line 60 -20 30 0 #00007f 2 1>
<Rectangle 20 -30 0 20 #00007f 4 1 #c0c0c0 1 0>
<Rectangle 60 -30 0 20 #00007f 4 1 #c0c0c0 1 0>
<Rectangle 20 -30 40 0 #00007f 4 1 #c0c0c0 1 0>
<Rectangle 20 -10 40 0 #00007f 4 1 #c0c0c0 1 0>
<Line -40 5 0 -25 #00007f 2 1>
<Line -60 -20 30 0 #000000 2 1>
<Line 80 5 0 -25 #000000 2 1>
<Line 15 5 -55 0 #00007f 2 1>
<Line 15 -5 0 20 #000000 4 1>
<Line 25 -5 0 20 #000000 4 1>
<Line 25 5 55 0 #000000 2 1>
<Text -10 -20 12 #000000 0 "Cp">
<Line -80 -20 25 0 #000000 2 1>
<Line 90 -20 50 0 #000000 2 1>
<Rectangle -55 20 155 5 #000000 0 1 #aa5500 1 1>
<Text 90 -5 12 #000000 0 "gnd">
<Rectangle -65 -50 185 80 #aa0000 3 1 #c0c0c0 1 0>
<Text 65 -50 12 #000000 0 "R">
<Text -55 -45 12 #000000 0 "Ls">
<Line -20 30 0 30 #000000 2 1>
<Line 60 30 0 30 #000000 2 1>
<Text 72 33 12 #000000 0 "Cp">
<Text -50 32 12 #000000 0 "Ls">
<.PortSym 60 60 3 90>
<.PortSym -20 60 4 90>
<.PortSym 140 -20 2 180>
<.PortSym -80 -20 1 0>
<.ID 135 14 R_chip_EC "1=R0=50=Nominal resistance at Tnom.=" "1=Tc1=0.0=Resistance linear temperature coefficient in parts per million.=" "1=Tc2=0.0=Resistance quadratic temperature coefficient in parts per million.=" "1=tnom=26.58=Parameter measurement temperature in Celsius.=" "1=temp=26.58=Circuit temperature in Celsius.=" "1=Wstrip=1.25e-3=Chip width (default 805 package) in m.=" "1=Lstrip=2.0e-3=Chip length (default 805 package) in m.=" "1=Hstrip=0.5e-3=Chip height (default 805 package) in m.=">
</Symbol>
</Component>

88
examples/ngspice/RFLumpComp/Test_chip_res_basic.sch Normal file
View File

@ -0,0 +1,88 @@
<Qucs Schematic 0.0.19>
<Properties>
<View=-43,70,1738,1266,1,43,0>
<Grid=10,10,1>
<DataSet=Test_chip_res_basic .dat>
<DataDisplay=Test_chip_res_basic .dpl>
<OpenDisplay=1>
<Script=Test_chip_res_basic .m>
<RunScript=0>
<showFrame=0>
<FrameText0=Title>
<FrameText1=Drawn By:>
<FrameText2=Date:>
<FrameText3=Revision:>
</Properties>
<Symbol>
<.ID -20 -16 SUB>
<Line -20 20 40 0 #000080 2 1>
<Line 20 20 0 -40 #000080 2 1>
<Line -20 -20 40 0 #000080 2 1>
<Line -20 20 0 -40 #000080 2 1>
</Symbol>
<Components>
<S4Q_V V1 1 270 250 -136 -22 0 1 "DC 0.0 AC 1" 1 "" 0 "" 0 "" 0 "" 0>
<GND * 1 270 280 0 0 0 0>
<GND * 1 490 440 0 0 0 0>
<IProbe InR1 1 430 220 -10 -63 0 0>
<GND * 1 620 360 0 0 0 0>
<IProbe InR2 1 570 220 -10 -63 0 0>
<GND * 1 760 360 0 0 0 0>
<IProbe InR3 1 710 220 -10 -63 0 0>
<GND * 1 880 360 0 0 0 0>
<IProbe InR4 1 830 220 -10 -63 0 0>
<GND * 1 1010 360 0 0 0 0>
<IProbe InR5 1 960 220 -10 -63 0 0>
<GND * 1 1150 360 0 0 0 0>
<IProbe InR6 1 1100 220 -10 -63 0 0>
<Eqn Eqn1 1 170 520 -72 21 0 0 "Z1=V(nr1)/i(Vinr1)" 1 "Z2=V(nr2)/i(Vinr2)" 1 "Z3=V(nr3)/i(Vinr3)" 1 "Z4=V(nr4)/i(Vinr4)" 1 "Z5=V(nr5)/i(Vinr5)" 1 "Z6=V(nr6)/i(Vinr6)" 1 "yes" 0>
<.AC AC1 1 110 320 0 61 0 0 "log" 1 "1 Hz" 1 "10e10" 1 "10001" 1 "no" 0>
<Lib R_chip_EC1 1 470 300 -194 135 0 3 "/home/mike/.qucs/user_lib/RFLumpedComponents" 0 "RFChipResPgen" 0 "1k" 1 "0.0" 1 "0.0" 1 "26.58" 1 "26.58" 1 "1.25e-3" 1 "2.0e-3" 1 "0.5e-3" 1>
<Lib R_CHIP9 1 920 300 -81 100 0 1 "/home/mike/.qucs/user_lib/RFLumpedComponents" 0 "RFChipRes" 0 "50" 1 "0.0" 1 "0.0" 1 "26.58" 1 "26.58" 1 "0.316n" 1 "50.3f" 1>
<Lib R_CHIP7 1 660 300 -81 100 0 1 "/home/mike/.qucs/user_lib/RFLumpedComponents" 0 "RFChipRes" 0 "200" 1 "0.0" 1 "0.0" 1 "26.58" 1 "26.58" 1 "0.316n" 1 "50.3f" 1>
<Lib R_CHIP8 1 800 300 -81 100 0 1 "/home/mike/.qucs/user_lib/RFLumpedComponents" 0 "RFChipRes" 0 "100" 1 "0.0" 1 "0.0" 1 "26.58" 1 "26.58" 1 "0.316n" 1 "50.3f" 1>
<Lib R_CHIP10 1 1050 300 -81 100 0 1 "/home/mike/.qucs/user_lib/RFLumpedComponents" 0 "RFChipRes" 0 "10" 1 "0.0" 1 "0.0" 1 "26.58" 1 "26.58" 1 "0.316n" 1 "50.3f" 1>
<Lib R_CHIP11 1 1190 300 -81 100 0 1 "/home/mike/.qucs/user_lib/RFLumpedComponents" 0 "RFChipRes" 0 "1" 1 "0.0" 1 "0.0" 1 "26.58" 1 "26.58" 1 "0.316n" 1 "50.3f" 1>
</Components>
<Wires>
<270 220 370 220 "" 0 0 0 "">
<460 220 490 220 "" 0 0 0 "">
<370 220 400 220 "" 0 0 0 "">
<370 150 370 220 "" 0 0 0 "">
<370 150 530 150 "" 0 0 0 "">
<530 150 530 220 "" 0 0 0 "">
<530 220 540 220 "" 0 0 0 "">
<600 220 620 220 "" 0 0 0 "">
<670 150 670 220 "" 0 0 0 "">
<670 220 680 220 "" 0 0 0 "">
<740 220 760 220 "" 0 0 0 "">
<790 150 790 220 "" 0 0 0 "">
<790 220 800 220 "" 0 0 0 "">
<860 220 880 220 "" 0 0 0 "">
<920 150 920 220 "" 0 0 0 "">
<920 220 930 220 "" 0 0 0 "">
<990 220 1010 220 "" 0 0 0 "">
<1060 150 1060 220 "" 0 0 0 "">
<1060 220 1070 220 "" 0 0 0 "">
<1130 220 1150 220 "" 0 0 0 "">
<530 150 670 150 "" 0 0 0 "">
<670 150 790 150 "" 0 0 0 "">
<920 150 1060 150 "" 0 0 0 "">
<790 150 920 150 "" 0 0 0 "">
<460 220 460 220 "nR1" 470 180 0 "">
<760 220 760 220 "nR3" 760 180 0 "">
<880 220 880 220 "nR4" 880 180 0 "">
<1010 220 1010 220 "nR5" 1010 180 0 "">
<1150 220 1150 220 "nR6" 1150 180 0 "">
<410 360 410 360 "nCp" 370 320 0 "">
<410 280 410 280 "nLs" 361 240 0 "">
<620 220 620 220 "nR2" 620 180 0 "">
</Wires>
<Diagrams>
<Tab 431 666 670 52 3 #c0c0c0 1 00 1 0 1 1 1 0 1 1 1 0 1 10011 315 0 225 "" "" "">
<"ngspice/Test_chip_res_basic:ac.v(nls)" #0000ff 0 3 0 0 0>
<"ngspice/Test_chip_res_basic:ac.v(ncp)" #0000ff 0 6 0 0 0>
</Tab>
</Diagrams>
<Paintings>
</Paintings>