In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.
In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.
In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B…
In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B amplifiers.
This article examines the operation of the Class C power amplifier and how it compares to its Class A and Class B counterparts.
This article examines the operation of the Class C power amplifier and how it compares to its Class A and Class B counterparts.
In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.
In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.
Core saturation is one of the main limitations on the design of magnetic components. In this article, we explore how…
Core saturation is one of the main limitations on the design of magnetic components. In this article, we explore how different factors—particularly the number of turns—impact the core saturation of an inductor.
In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how…
In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how different ways of defining permeability can help us predict the saturation flux density of a magnetic core.
Eddy currents are a major loss mechanism in transformer cores. This article provides both in-depth and simplified…
Eddy currents are a major loss mechanism in transformer cores. This article provides both in-depth and simplified explanations of how core laminations work to mitigate the effects of eddy currents.
In this article, we explore the effect of dimensional resonance on the magnetic field distribution in high-frequency…
In this article, we explore the effect of dimensional resonance on the magnetic field distribution in high-frequency ferrite cores.
The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable…
The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable effects, we first need to understand them.
In this article, we explore two different methods for analyzing the impedance transformation ratio of a transmission line…
In this article, we explore two different methods for analyzing the impedance transformation ratio of a transmission line transformer.
In this article, we compare the scope of factory and user calibration for vector network analyzers (VNAs). We then learn…
In this article, we compare the scope of factory and user calibration for vector network analyzers (VNAs). We then learn about the types of errors that calibration techniques can't correct.
Learn the basics of how vector network analyzer (VNA) calibration techniques correct measurement errors.
Learn the basics of how vector network analyzer (VNA) calibration techniques correct measurement errors.
This article explains how to estimate the dynamic range a vector network analyzer (VNA) needs for a given measurement,…
This article explains how to estimate the dynamic range a vector network analyzer (VNA) needs for a given measurement, then discusses four techniques for boosting the dynamic range to the required level.
In this article, we investigate two metrics used to characterize the performance of RF test and measurement systems.
In this article, we investigate two metrics used to characterize the performance of RF test and measurement systems.
In this article, we explore how the signal source and receivers of a VNA enable its function.
In this article, we explore how the signal source and receivers of a VNA enable its function.
Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.
Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.
Directional couplers are valuable tools for testing RF systems. However, the finite directivity of these devices can…
Directional couplers are valuable tools for testing RF systems. However, the finite directivity of these devices can cause measurement uncertainty. Learn more in this article.
Learn how a bifilar coil can be used to design transformers for high-frequency RF applications.
Learn how a bifilar coil can be used to design transformers for high-frequency RF applications.
In this article, we’ll learn about the limitations of magnetically coupled transformers in RF applications by modeling…
In this article, we’ll learn about the limitations of magnetically coupled transformers in RF applications by modeling the devices' high-frequency non-idealities.
Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.
Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.