1 CST MICROWAVE STUDIO Microstrip Parameter sweeping Tutorial Computer Simulation Technology wwwcstcom wwwcst-koreacokr
2 1 Create a new project 2 Model the structure 3 Define the Port 4 Define the Frequency Range 5 Define the Background Material 6 Define the Boundary Condition 7 Start the Simulation 8 Analyze the results 9 Parameter Sweeping (1) 10 Parameter Sweeping (2)
3 Create a New Project Template Units, Boundary Conditions, Background Material, Mesh, Solver 12, template, 12 Templates 1 Antenna (in Free Space, planar) 2 Antenna (in Free Space, waveguide) 3 Antenna (on planar substrate) 4 Antenna (with ground plane) 5 Connector (coaxial) 6 Connector (multipin) 7 EMC-EMI Problem 8 IC Package Micro Strip Filter Planar Filter 9 Planar Coupler (Microstrip coplanar) Template Planar Filter 10 Planar Filter 11 Waveguide Coupler 12 Waveguide Filter
4 Microstrip Filter (6) (4) (1) (5) (7) (2) (8) (3)
5 Model the Structure (1) 129 Substrate 4 Substrate
6 Model the Structure (2) 50 Ohm 1 2
7 Model the Structure (3) Stub Stub 3 3 Stub U,V,W PEC( ) 2 50Ohm 4 Stub
8 Model the Structure (4) 2 V 27 mm Stub Copy object (v) Translation vector 27 Copy Object move 1 Transform 3 2 Stub
Model the Structure (5) Transform V 13 mm Stub 1 Transform 9 3 3 Stub
Model the Structure (6) 1 Transform 10 3 50 Ohm
11 Model the Structure (7) Pick Face(F) 2 Extrude Height 01 pec 1 Extrude Pick Face 3 Stub
Model the Structure (8) Strip Line 12 Strip Line
13 Define Units, Background Properties
14 Define Frequency Range, Boundary Condition
Define Port CST MWS Waveguide Port Discrete Port, PlaneWave, R,L,C, Diode Waveguide Port 1 Pick Face(F) 15 Note) Waveguide : Ground, 3, 2-3
16 Transient Solver Start
17 1D Results 1 D Results 1 Time Signals 2 S11 in db 3 Smith Chart 4 Energy Balance
Monitor 2D, 3D Results Monitor ( ) Ex) 12 GHz, Phase : 270 E 18, E,H 2D, 3D ( ) Solver Start 2D/3D Results E Field, H Field, Power Flow, FarField/RCS 3D Overlay Plot Phase, 3D, 2D cut plane contour, carpet (Animation file )
19 Parameter Parameter Sweeping Substrate a a
20 Parameter sweeping (1),, Parameter sweeping, 1 1) Edit -> Parameters Parameter List
21 Parameter sweeping (2) 2 3 2) a 129 3) Substrate Epsilon 129 a
22 Parameter sweeping (3) 4 4) Solver start Par Sweep
23 Parameter sweeping (4) 5 6 7 Substrate 5, 125, 20 3 S parameter 5) New Seq New Par 6), a Samples ( 5, 20, 3) 7) ( S11 in db)
24 Parameter sweeping (5) 8) Tables Parameter Sweeping
Stub Parameter Parameter Sweeping Length Length Length Length Parameter Parameter 25
26 Parameter sweeping (1),, Parameter sweeping, 1 1) Edit -> Parameters Parameter List
27 Parameter sweeping (2) 2 3 Stub 2) Length 2 3) Brick Parameter Stub U Umin 0, Umax Length/4
28 Parameter sweeping (3) 4 4) Solver start Par Sweep
29 Parameter sweeping (4) 5 6 7 Length 1, 2, 3 3 S parameter 5) New Seq New Par 6) a Samples ( 1, 3, 3) 7) ( S11 in db)
30 Parameter sweeping (5) Length =1 Length = 2 Length = 3 8) Parameter Sweeping Parameter
31 Parameter sweeping (6) 9) Tables Parameter Sweeping