Microwave Passive Component Simulation Using Ansys Electronics Desktop

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In today’s era where the world is heading towards Internet of Things (IoT) and 5G+ technologies, the realization of highly efficient, compact size, and lower cost microwave passive components has become highly crucial. A passive component does not require external power for its operation. Currently, engineers are asked to design these components to meet future needs such as bandwidth enhancement, latency reduction, and data rate increment. These extended needs pose new design challenges and manufacturing constraints.

The performance of a microwave passive component depends on the impedance of the device which in turn depends on its dimensions. For planar microwave devices, impedance depends on the trace width and dielectric properties of the substrate. In this course, we will study the output effects due to variations in material properties and trace dimensions using the parametric and optimization features in Ansys Electronics Desktop (AEDT).

We will discuss and show how simulation will help tackle these new performance and design challenges. We will explore some interesting features of AEDT such as optimization, parametrization, 3D Components, and the wrap function while designing various microwave passive components.

There are many applications where microwave components function as couplers, filters, power dividers, attenuators, terminators, and more. In this course, we will simulate the following microwave passive components from one of the standard microwave textbooks using Ansys HFSS, Ansys HFSS Circuit, and HFSS 3D Layout design types, which are all part of the AEDT platform.

  • Branchline Coupler
  • T-junction Power Divider
  • Wilkinson Power Divider
  • Microstrip Filter
  • Single-section Coupler

Before you get started with the "Microwave Passive Components" course, you may want to watch why an electromagnetic simulation is important to visualize the electric and magnetic fields and how electromagnetic simulation helps to understand the characteristics of electronics and wireless devices and systems.

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Ansys Electronics Desktop or simply AEDT provides a comprehensive environment for the design and analysis of electronic components. AEDT offers multiple design types that are required to do a full system analysis. Ansys HFSS is one of the design types integrated in AEDT which is a high-frequency simulation software used for the design and analysis of high-frequency electromagnetic components. HFSS offers various types of solvers to suit for various applications. It provides wide variety of reports ranging from 2D rectangular plots to 3D field plots inside the complex geometries which will help in understanding the electromagnetic concepts. Ansys HFSS can be used to design simple as well as complex simulation models and hence it is required to know how to use the tool for an efficient analysis. This course provides step by step procedure required for analysis using AEDT student version. The steps and procedure shown in this course are not limited to student version alone but can also be used for commercial version. More details about this student version are found here. In this course, we will demonstrate the analysis of different types of waveguides such as simple waveguide, stacked waveguide, twist and bent waveguides using WR-15 standard waveguide as example.