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Getting Started Guide

NI AWR Design Environment v14.04 Edition

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  • Analog Office, APLAC, AWR, AWR Design Environment, AXIEM, Microwave Office, National Instruments, NI, ni.com and TX-Line are registered trademarks of National Instruments. Visual System Simulator (VSS), Analyst, and AWR Connected are trademarks of AWR Corporation/National Instruments. Refer to the Trademarks section at ni.com/trademarks for other National Instruments trademarks.

  • Other product and company names mentioned herein are trademarks or trade names of their respective companies.


For patents covering NI AWR software products/technology, refer to ni.com/patents.

The information in this guide is believed to be accurate. However, no responsibility or liability is assumed by National Instruments for its use.

Table of Contents

1. Introduction
Introducing the NI AWR Design Environment
About This Guide
Contents of this Guide
Conventions Used in This Guide
Getting Additional Information
NI AWR Knowledge Base
Online Help
Website Support
Technical Support
2. NI AWR Design EnvironmentSuite
Starting NI AWR Programs
NI AWR Design Environment Suite Components
Basic Operations
Working with Projects
Project Contents
Creating, Opening, and Saving Projects
Opening Example Projects
Importing Test Benches
Working with Schematics and Netlists in Microwave Office
Working with System Diagrams in VSS
Using the Element Browser
Adding Subcircuits to Schematics
Adding Subcircuits to System Diagrams
Adding Ports to Schematics and System Diagrams
Connecting Element and System Block Nodes
Adding Data to Netlists
Creating EM Structures
Adding EM Structure Drawings
Creating a Layout with Microwave Office
Modifying Layout Attributes and Drawing Properties
Using the Layout Manager
Creating Output Graphs and Measurements
Setting Simulation Frequency and Performing Simulations
Tuning and Optimizing Simulations
Using Command Shortcuts
Using Scripts and Wizards
Using Online Help
3. Microwave Office: Importing Data Files
Importing an S-parameter Data File
Creating a New Project
Importing Data Files
Plotting a Data File Directly
Adding a Data File to the Schematic
Creating a Schematic
Placing a Data File in a Schematic
Specifying the Simulation Frequency
Simulating a Schematic with a Data File
Renormalizing the Data File to a Different Impedance
4. Microwave Office: Using the Linear Simulator
Linear Simulations in Microwave Office
Creating a Lumped Element Filter
Creating a New Project
Setting Default Project Units
Creating a Schematic
Placing Elements in a Schematic
Connecting the Wires
Placing Ports on a Node
Placing Ground on a Node
Editing Element Parameters
Specifying the Simulation Frequency
Creating a Graph
Adding a Measurement
Analyzing the Circuit
Adding Auto-Search Markers
Tuning the Circuit
Creating Variables
Adding Optimization Goals
Optimizing the Circuit
5. Microwave Office: Creating Layouts from Schematics
Layouts in Microwave Office
Layout Tips and Tricks
Creating a Layout from a Schematic
Creating a New Project
Importing a Layer Process File
Editing Database Units and Default Grid Size
Importing a GDSII Cell Library
Importing a Data File
Placing a Data File in a Schematic and Adding a Ground Node
Changing the Element Symbol
Placing Microstrip Elements for Layout
Assigning an Artwork Cell to a Schematic Element
Viewing a Layout
Snapping Layout
Running the Connectivity Checker
Anchoring a Layout Cell
Creating an Artwork Cell
Add Ports to an Artwork Cell
Editing the Schematic and Assigning a Chip Cap Cell
Routing the MTRACE2 Element in Layout
Snapping Functions for Layout Cells
Exporting the Layout
6. Microwave Office: Using the Nonlinear Simulator
Harmonic Balance in Microwave Office
Single-Tone Analysis
Multi-Tone Analysis
Nonlinear Measurements
Creating a Power Amplifier Circuit
Creating a New Project
Setting Default Project Units
Creating a Schematic
Placing a Nonlinear Model from the Library
Placing an IV Curve Meter on the Nonlinear Element
Editing the IV Curve Meter Element
Adding an IV Curve Measurement
Creating a Bias Circuit
Adding Schematic Back Annotation
Adding a Harmonic Balance Port
Specifying Nonlinear Simulation Frequencies
Adding a Large Signal Reflection Coefficient Measurement
Importing Input Match and Output Match Schematics
Adding Subcircuits to a Schematic
Creating a Pout vs. Frequency Measurement
Creating a Dynamic Load Line Measurement
Setting up a Two-Tone Simulation
Copying a Schematic in the Project Browse
Adding a Two-Tone Harmonic Balance Port
Adding a Third-Order Intermodulation Measurement
Using Variable Sweeps to Measure IP3 vs Voltage
Plotting IM3 vs Output Power
7. Microwave Office: Using the Electromagnetic Simulator
EM Simulation in Microwave Office
Creating a Distributed Interdigital Filter
Creating a New Project
Importing a Layer Process File (LPF)
Creating an EM Structure
Setting Up the Enclosure
Sidewall Boundary Conditions
Adding Conductors to the Layout
Adding Vias
Viewing the Structure in 3D
Adding Ports
Specifying the Simulation Frequencies
Previewing the Geometry
Viewing Structure Mesh
Running the EM Simulator
Displaying Results on a Graph
Changing Frequency Range and Step Size
Animating Currents
Completing the Filter Layout
Advanced Frequency Sweep
Adding an EM Structure to a Schematic as a Subcircuit
8. ANA: Using the Analyst 3D Electromagnetic Simulator
Creating a Simulation for a Simple EM Structure
Opening an Existing Project
Converting the AXIEM Structure to Analyst
Running the Simulation
9. ANA: Hierarchy and 3D Parts in Analyst
Building a Hierarchical Simulation
Opening an Existing Project
Creating an Analyst EM Structure
Adding a 3D Parameterized Cell (Bond Wires)
10. ANA: Using Arbitrary 3D Structures in Analyst
Creating and Importing 3D Structures
Opening an Existing Project
Adding the SMA Connector
Adding Solder Pads
Simulating the Entire Structure
Configuring for Transition Simulation Only
Encapsulating the Chip and Bond Wires
11. ANA: Importing SAT Files in Analyst
Using a Custom Housing to Enclose the PCB
Opening an Existing Project
Importing the Housing
Assigning Materials to the Structure
Simulating the Structure
12. MMIC: Designing MMICs
Opening the Design
Organizing the Design
13. MMIC: Layout Features
Specifying Line Types
Using Automatic Interconnect
Using Layout Snapping
Snapping to Fit
Using Intelligent Parameter Syntax
14. MMIC: Extraction and EM Simulation
Extracting Across Hierarchy
Configuring Groups
Using Incremental Extraction
Using Data Sets
Simplifying Geometry
15. MMIC: Verifying Designs
Using the Connectivity Highlighter
Using the Connectivity Checker
Using Layout Vs Schematic (LVS)
Design Rule Checking (DRC)
Completing the MMIC Example
16. MMIC: Supplemental Topics
Navigating Design Hierarchy: Schematic and Layout
Cross-selecting Between Schematic and Layout
Using Intelligent Parameter Syntax
Layout: Using Automatic Interconnect
Using More Than Two Connections at a Node
Working Through Hierarchy
Artwork Cells and EM Structures
Discontinuities Without Lines
Layout: Changing Background Color
Layout: Snapping Strategy
Layout: Adding Text
17. VSS: System Simulation in VSS
Overview of VSS Theory
Data Types
Complex Envelope Signal Representation
Center Frequency and Sampling Frequency
Parameter Propagation
Amplitude Modulation (AM) Example
Creating a Project
Setting Default System Settings
Creating a System Diagram
Placing Blocks in a System Diagram
Connecting the Blocks and Adding Test Points
Editing Block Parameters
Specifying System Simulator Options
Creating a Graph to View Results
Adding a Measurement
Running the Simulation and Analyzing Results
18. VSS: End-to-End System
Creating a QAM Project
Creating a QAM End-to-End System Diagram
Adding Graphs and Measurements
Running the Simulation and Analyzing the Results
Tuning System Parameters
Creating a BER and SER Simulation
Converting BER Curve Results to a Table
19. VSS: Adding a Microwave Office Subcircuit to a System
Adding a Microwave Office Filter Circuit to the System
Testing the Filter
Simulating the QAM System
Adding a Graph and Analyzing the Results
Experimenting with Filters
20. VSS: Using a Microwave Office Nonlinear Element in VSS
Importing an Amplifier Model into VSS
Using the Vector Signal Analyzer Block
21. VSS: RF Budget Analysis
Creating an RF Chain
Adding Measurements
Performing Yield Analysis
22. VSS: Fixed-Point Simulations
Fixed-Point Properties
Configuration Properties
State Properties
Fixed-Point Example
Creating the Project
Creating the Filter Coefficient File
Creating the FIR Subcircuit
Creating the Main System Diagram
Adding Graphs and Measurements
Adding Annotations
Running the Simulation and Analyzing the Results
23. VSS: VSS Examples
FSK Example
Using a "Black Box" FSK Modulator
Creating an FSK Modulator Using Elementary Blocks
Receiver and Demodulation
Adding Graphs and Analyzing Results
I/Q Imbalance Example
I/Q Imbalance and Phase Imbalance vs. Error Vector
Adding Graphs and Analyzing Results
Nth order IP Measurement
EVM vs Swept Power
Swept Variables
24. Analog Office: Simulation in Analog Office
DC Analysis
Creating a New Project
Setting Default Project Units
Creating a Schematic
Placing Ground on a Node
Back Annotating Voltages and Currents on the Schematic
Simulating the Circuit
Tuning the Circuit
DC Sweep
Adding a Graph
Adding a Measurement
Post-Analysis Tuning
Small Signal AC Analysis
Copying a Schematic
Placing Ports on a Node
Setting Up the Frequency Sweep
Setting Up Measurements
Transient Analysis
Large Signal Analysis
Setting up the Simulation
Adding Measurements
Pulse Signal
25. Analog Office: IV Curve Measurements
IV Curve of a NMOS
Creating a New Project
Setting Default Project Units
Creating a Schematic
Placing Elements in a Schematic
Editing Element Parameters
Adding a Graph
Adding a Measurement
Running the Simulation and Analyzing the Results
Tuning nmos Parameters and Viewing Graph and Layout
26. Analog Office: Differential Pair Amplifier
Creating a Differential Amplifier and Simulating
Creating Differential AMP Schematic
Adding Pins
Creating a Symbol
Creating a Test Bench
Simulation Settings and Measurements
Optimizing the Output Voltage
Creating a Layout
Layout Tips and Tricks
Editing Database Unit and Grid Size
Creating and Assigning a Pads Layout
Viewing Layout and Placement
Routing the Nets
Post-Route Simulation
Connectivity Checking
Extracting Vdd Net and Simulating
27. Analog Office: Tonal Analysis
Bipolar Limiting Amplifier Circuit
Editing an Existing Project
Specifying Port Types
Setting Default Project Frequencies
Adding a Graph and Measurements for 1-Tone Simulation
Adding a Sweep Variable Control Block
Performing a 2-Tone Simulation
28. Analog Office: CMOS Mixer
Single Balanced CMOS Mixer Circuit
Setting Defaults
Importing a Schematic
Creating Test Benches
Adding Graphs and Measurements
Adding Equations
Performing Noise Analysis
Optimizing the Circuit

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