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…
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.
Learn how these simple filters can help you combat common-mode noise with minimal degradation of the desired signal.
Learn how these simple filters can help you combat common-mode noise with minimal degradation of the desired signal.
We analyze a Ruthroff 1:4 transformer's performance at high frequencies, then learn how to improve its bandwidth using…
We analyze a Ruthroff 1:4 transformer's performance at high frequencies, then learn how to improve its bandwidth using equal-delay networks and how to redesign the circuit for higher impedance transformation ratios.
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.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
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.
Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to…
Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to the inductively-loaded Class A design.
How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers…
How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers in this article.
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their…
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods by which they synthesize impedance.
Facebook
Google
GitHub
Linkedin