For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.
For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.
In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer…
In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer project for the Science Fair 65-in-1 kit.
In this article, we'll learn about two important non-idealities of Class D power amplifiers and how they affect performance.
In this article, we'll learn about two important non-idealities of Class D power amplifiers and how they affect performance.
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.
The hysteresis effect is one of the main sources of loss in ferromagnetic materials. In this article, we learn to…
The hysteresis effect is one of the main sources of loss in ferromagnetic materials. In this article, we learn to calculate the hysteresis loss of a magnetic core and work through some example problems.
In this article, we use the concept of magnetic field energy to explore the relationship between a core's hysteresis loss…
In this article, we use the concept of magnetic field energy to explore the relationship between a core's hysteresis loss and its B-H curve.
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.
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.
In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the…
In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.
This article examines three different types of magnetic materials and how they react to an external magnetic field.
This article examines three different types of magnetic materials and how they react to an external magnetic field.
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.
This article will help you optimize your switch-mode regulator and driver circuits by explaining important sources of…
This article will help you optimize your switch-mode regulator and driver circuits by explaining important sources of MOSFET power dissipation.
The full-wave bridge rectifier converts an AC input voltage to a DC power supply voltage. Learn about the operation of…
The full-wave bridge rectifier converts an AC input voltage to a DC power supply voltage. Learn about the operation of this essential circuit.
The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA)…
The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA) measurements. Learn about this model and an associated error correction technique in this article.
In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain…
In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain transfer function.
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.
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