CAE Software【Femtet】Murata Software Co., Ltd.
The data is available from Murata’s web site.
S-parameters of an RF inductor placed on a substrate are solved.
Microstrip lines connect the inductor’s electrodes and the ports on the substrate.
[How to Reduce the Calculation Time]
Item |
Settings |
Analysis Space |
3D |
Model unit |
mm |
Item |
Settings |
Solver |
Electromagnetic Analysis [Hertz] |
Analysis Type |
Harmonic analysis |
Options |
Select “Ignore the influence of face/edge electrode thickness” * |
* This is the default setting. There are no face electrodes with this model. Therefore it is irrelevant to select it or not.
Harmonic Analysis tab and Open Boundary tab are set as follows.
Tabs |
Setting Item |
Settings |
Mesh |
Element type |
2nd-order element |
Multigrid/Adaptive Mesh Method |
Select “Use the adaptive mesh method”. |
|
Frequency-Dependent Meshing |
Reference frequency: 5×10^9[Hz] Select “The conductor bodies thicker than the skin depth constitute the boundary condition.” |
|
Harmonic Analysis |
Frequency |
Minimum: 1×10^9[Hz] Maximum: 10×10^9[Hz] |
Sweep Type |
Select “Log step” Division number: 10 |
|
Sweep Setting |
Select Fast sweep S-parameters variation: 1×10^-3 |
|
Input |
1.0[W] |
|
Open boundary |
Types |
Absorbing boundary |
Order of Absorbing Boundary |
1st degree |
An RF inductor is placed on a substrate. Microstrip lines connect the inductor’s electrodes and the ports on the substrate.
Ports are set on outermost faces.
Whole Model | RF inductor (LQP02TN_02, LQP03TG_02 and LQP03TN_02 series) | RF inductor (LQP02TQ_02 and LQP03HQ_02 series) |
*1 External electrodes*2 Main body*3 Marking (indicates the top face) | *1 External electrodes*2 Main body |
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Body Number/Type |
Body Attribute Name |
Material Name |
0/Solid |
SUBSTRATE |
006_Glass_epoxy *1 |
1-2/Sheet |
ELECTRODE |
003_Ag *1 |
3/Solid |
Inductor *2 |
Inductor *2 |
4/Solid |
AIR |
000_Air(*) |
*1 Available from the Material DB.
*2 Imported CAE data
The body attributes and material properties related to the inductor will be replaced by the black box data when the solver runs. Therefore the settings here are irrelevant.
Boundary Condition Name/Topology |
Tab |
Boundary Condition Type |
Settings |
Port_001/Face |
Electric |
I/O Port |
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Port_002/Face |
Electric |
I/O Port |
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Outer Boundary Condition |
Electric |
Electric wall |
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The frequency characteristics of S11 and S22 are shown below.