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RF & Microwave Engineering Blog Posts

Designing ESD-Safe Electronic Components

August 1, 2024

In the design of electronic components, electrostatic discharge (ESD) can be modeled to provide insight into how to prevent damage. Learn about the capabilities in COMSOL® for modeling ESD in this blog post.

Methods That Accelerate the Modeling of Bandpass-Filter-Type Devices

July 18, 2024

Designing bandpass-filter type high-Q devices with the finite element method in the frequency domain? Here are some methods you can use to speed up the modeling process.

Modeling a THz Photoconductive Antenna with COMSOL Multiphysics®

June 13, 2024

Photoconductive antennas are commonly used in terahertz engineering. Learn how these devices work and how to model one with the Semiconductor Module and RF Module.

Modeling the Speed and Stealth of the Darkstar

March 28, 2024

What would the shock waves around the Darkstar really look like at Mach 7.5? How stealthy is this hypersonic jet? Here, we use modeling and simulation to find out.

Learning from the Two-Capacitor Paradox: Do Capacitance and Inductance Exist?

March 11, 2024

What is the two-capacitor paradox? How can it be resolved with modeling and simulation? Do capacitance and inductance exist? Get answers here.

Understanding Higher-Order Diffraction

January 9, 2024

Explore how to use the Ewald sphere to study diffraction from planar periodic structures. (Interact directly with the model to get the full picture!)

From TV Signals to Toasting: Tuning a Yagi–Uda Antenna to Heat Muffins

December 29, 2023

See how modeling and simulation can be used to test an unconventional heating method. Here, we explore how a Yagi–Uda antenna performs as a hypothetical oven replacement to heat muffins.

Using Different Physics Interfaces for RF Electromagnetic Heating Models

May 4, 2023

RF heating problems can be modeled with both the RF Module and the AC/DC Module. Learn more about their capabilities here.


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