The Characteristic Impedance of Lossless and Lossy Transmission Lines
Characteristic impedance is an important parameter of transmission lines, and the value is a real number in a lossless line and a complex number in a lossy line.
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RF/Microwave
RF and Microwave circuit design techniques as well as industry trends and innovations in communications systems technologies. Whether RF and microwave filters, wireless systems, amplifiers, or other key applications, find what information you need here.
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Maxwell's Equations Fourier Transform and Working in the Frequency Domain
Maxwell’s equations and Fourier transforms are fundamental for working in the frequency domain. Read this guide for more information.
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Size Reduction in Rat-Race Coupler Designs
Rat-race couplers are used for phase shifting, dividing, and combining power in power amplifiers, Butler matrices, and phase array power feeding networks.
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What to Simulate in Amplifier Stability Analysis
Amplifier stability analysis involves ensuring your output signal is free of ringing, oscillation, clipping, and unintended feedback.
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Qorvo Solves Entire Non-Uniform Distributed Power Amplifier MMIC
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Fundamental RF/Microwave Principles for Your Next School Project
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How to Measure VSWR Using a Directional Coupler
Here’s how you can measure VSWR using a directional coupler in transmission lines and antennas.
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Monolithic and Hybrid Microwave Integrated Circuits: What's the Difference?
In this article, we look at the differences between monolithic and hybrid microwave integrated circuits.
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Directional Couplers Function as Samplers in Telecommunication Circuits
Directional couplers are passive four-port networks used to sample the incident and reflected electromagnetic power in RF and microwave circuits.
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The Application of Circular Cavity Resonators in Frequency-Tunable Microwave Components
With the growth of communication and broadcasting systems, circular cavity resonator-based, frequency-tunable microwave components are becoming widely used.
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Using Re-Entrant Cavity Resonators in High-Frequency Applications
Engineers can use re-entrant cavity resonator structures in high-frequency applications above 3MHz when transistor-based oscillators become obsolete.
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The Effective Permittivity of a Transmission Line in a Microstrip
In a microstrip transmission line, the phase velocity of TEM fields is different in the mediums air & dielectric substrate, so calculating the effective permittivity of the transmission line is needed
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Understanding the Circuit and Antenna Reciprocity Theorem
In electromagnetic field theory, circuit and antenna reciprocity are special cases of the reciprocity theorem.
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Using Waveguides and Cavity Resonators for the Microwave Band of Frequency Applications
Waveguides and cavity resonators are used in the microwave band of frequency applications.
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Designing Half-Wavelength Resonator Bandpass Filters
Read on to learn more about how to design and apply half-wavelength resonator bandpass filters.
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Quasi-Planar Transmission Lines in Millimeter Frequency Applications
Gain excellent integration and lower loss in millimeter frequency circuits through the use of quasi-planar transmission lines.
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Phased Array Antennas: Principles, Advantages, and Types
The phased array antenna is gaining popularity with 5G communication technologies & will be a requirement in the future with advantages such as multiple beams, high gain, and wide azimuthal coverage.
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Load-Pull Analysis for Optimizing PA Performance
In load pull calculations, power amplifiers are going to need harmonic load pull analysis and load pull contours with wideband electromagnetic tuners.
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Conquer Radio Frequency
RF systems design in 5G networks, communications systems design, and data transmission networks requires fine software functionality.
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Microstrip Antenna Design
Microstrip antenna design individually can be strenuous and require EM simulation tools. See how microstrip antenna arrays, or microstrip patch antennas work.
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Best Practices for Efficient and Effective Planar EM Simulation
In electromagnetic (EM) simulation software, grow comfortable with harmonics, magnetics, and planar waveguides across any frequency spectrum.
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