Microwave Office

RF/Microwave Circuit Design

Microwave Office software is known for its intuitive interface, innovative design automation, and powerful harmonic balance circuit simulation. Microwave Office along with Visual System Simulator™, AXIEM and Analyst™ software tools form the NI AWR Design Environment platform. Together they offer design engineers a complete RF and microwave circuit, system, and EM co-simulation environment, supporting successful product development for today's most challenging communications and aerospace/defense applications.    

Recent Additions

The latest release of NI AWR Design Environment platform, specifically the Microwave Office software, provides for new and expanded capabilities.  Highlights include:

  • Network Synthesis Wizard - The new network synthesis wizard is a tool for creating optimized two-port impedance-matching networks composed of discrete and distributed components, letting lets designers interactively develop an unlimited number of networks optimized for noise, power, or matching networks between amplifier stages or between different components, such as an amplifier and an antenna.
  • Enhanced Data Processing and Display - For PA designers, new capabilities allow users to directly plot measurements versus output power (or voltage or current) and/or define the output power measurement on the schematic more easily.
  • Expanded Tuning - The new tuner interface utilizes space-efficient horizontal sliders to support parametric tuning of complex designs with a large number of variable design properties, while the updated property dialog provides greater control and organization of element parameters.

Learn more: What's New


  • Amplifiers - Power amplifiers, low noise amplifiers
  • Filters
  • Antennas
  • Oscillators
  • Mixers, Multipliers, Frequency Converters
  • Switches and Control Circuits
  • Passive Circuits – Couplers, splitters/combiners, attenuators

Product Features


  • Schematic/Layout - Design entry with industry-leading tuning
  • APLAC - Linear and nonlinear circuit simulation
    • Harmonic balance (HB) with multi-rate HB, transient-assisted HB and time variant (circuit envelope) analysis
    • Supports large scale and highly non-linear RF/microwave circuits
  • EM Analysis - Fully integrated planar and 3D EM with AXIEM and Analyst
    • ACE™ automatic circuit extraction technology for interconnect modeling
    • EM Socket™ interface for integration with third-party EM tools
  • Load-Pull - State-of-the-art load-pull analysis
    • Harmonic source/load pull analysis generates contours from active device models or plot measured data for impedance matching and supports communication system measurements (ACPR, EVM, BER, etc.)
  • Stability - Includes both linear and nonlinear stability analysis
  • Synthesis - Synthesizing design assistance offered in a a variety of add-on module options
    • Network Synthesis generates optimized two-port impedance-matching networks composed of discrete and distributed components.
    • Matching circuit synthesis to generate parasitic-aware impedance matching networks
    • iFilter integrated filter synthesis module operating seamlessly within Microwave Office
    • Component synthesis (power dividers, transformers, mixers, multipliers), optimization, and yield analysis
  • DRC/LVS - Design rule checking/layout vs. schematic 
    • Support for tools such as Calibre® and ICED
  • PDKs - Process design kits (PDKs) from a wide range of MMIC and RFIC foundries
    • Multiple and mixed PDK support to simultaneously analyze and design ICs, packages, and PCBs

Models and Libraries

Supported Technologies

  • MMIC - Design flows and process design kits for working with GaAs/GaN foundries
  • PCB - Single and multi-layer board modeling, simulation and layout solutions 
  • Modules - Multi-technology packaging modeling and simulation solutions for MMIC/RFIC, chip/package/board interconnects and embedded passives 
  • RFIC - Mixed-signal and Si RF design
  • Systems - System co-simulation of wireless communication metrics such as ACPR, EVM and related digital modulation analysis