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New Features in Version 2008

CST - Computer Simulation Technology

CST STUDIO SUITE™

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AWR Microwave Office /CST MICROWAVE STUDIO®

integration

• Usage and Properties of the Link• Basic Workflow Example: Microstrip Structure• Workflow Example based on „MWO Extract Block“

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Requirements:

• CST MICROWAVE STUDIO 2008• AWR Microwave Office 7.05

installed on the same computer

No initialization or installation is required:

No additional license required!!

AWR Microwave Office /CST MICROWAVE STUDIO®

integration

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CST MWS - MWO IntegrationPerform a simulation

Create a layout in MWO

Select CST MICROWAVE STUDIO®to be used as EM-Simulator

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CST MWS - MWO IntegrationPerform a simulation

Start simulation in MWO.

Structure and solver settings are automatically transferred to CST MWS and the simulation is started.

CST MWS - results are tranferred back to MWO.

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CST MWS - MWO IntegrationSolver Options

F-Solver defaults:- TET-Mesh- Adaptive meshing- Frequency sweep

Frequency settings for MWS can chosen differently to global MWO setting(e.g. include DC for MWS T-Solver)

Uses the single-ended functionality in MWS

Allows the modification of the geometry or the solver and mesh settings in the MWS modeler

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Open in native Editor.

After running simulation:• View 2D/3D results

(port modes, field monitors, …)• Apply advanced postprocessing

CST MWS - MWO IntegrationEdit structure/view results

Before starting simulation: • Add 3D structures in modeller or

by import (e.g. bondwires, connectors, vias, …)

• Edit solver-/mesh-settings

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Basic Workflow Example:

Microstrip Structure

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New EM-Structure: CST EM 1

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CST EM 1

Mstrip Elements

Ports

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Layout & Stackup in MW Office

LayoutStackup

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CST EM 1: OptionsFrequency - Range

CST MWS Settings

DC can be included for MWS T-Solver

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Result Plots: Add Graph

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Add Measurement to Graph

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Start SimulationCST MWS will be started

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CST MWS Simulation running...MWS closes automatically

!!! Port numbers can be different in MWO and CST MWS !!!

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Results in MWO

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Adding 3D Elements in MWS

...to open the corresponding MWS project

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Adding 3D Elements in MWS

Adding a bondwire

Warning: Pick point information may be lost

after changes in the MWO editor!

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Updated Results in MWO

After re-simulation:Results including the

bondwire

MWO layout is not updated!

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Workflow Example: 7 GHz Amplifier Example

AWR Example LibraryIntegration of CST MWS Model

using „Extract Block“

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7GHz Amplifier

How to replace the MW Office modelof the radiall stub by a CST MWS model

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Identify Stub in Schematic

Select

Element will be highlighted

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Add an EM_Extract Block

Add Extract Block

Select several MWO-Blocks to be included in one EM-Analysis

SimulationControl

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EM Extract Block

Change:Name = „“EM_Extract_Stub“Simulator = “CST.MWS_Server“Snap grid size in MWO modeler (needs to be reasonably fine)Extension = 50 (Space around the structure in the EM Simulation)

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Link Blocks to EM_Extract_Stub

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Blocks linked to EM_Extract-Stub

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Stackup definition

Substrates

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Stackup Definition

Stackup Substrate Material

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Run Simulation