What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.
What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.
Learn about Class-X and Class-Y capacitors, where they are used, and why they are referred to as "safety" capacitors.
Learn about Class-X and Class-Y capacitors, where they are used, and why they are referred to as "safety" capacitors.
This article will examine different faults of a diode bridge rectifier to provide some insight into troubleshooting an…
This article will examine different faults of a diode bridge rectifier to provide some insight into troubleshooting an AC/DC power supply.
This two-article series provides an overview of circuit symbols, along with some information on the components that they…
This two-article series provides an overview of circuit symbols, along with some information on the components that they represent.
In this article we’ll explore a circuit that produces an output voltage proportional to the charge generated by a…
In this article we’ll explore a circuit that produces an output voltage proportional to the charge generated by a piezoelectric transducer.
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when…
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems.
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for…
This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you…
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially…
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially important because they are present in the internal oscillator in many popular MCUs.
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
This article explains some theory behind an extremely common electronic component.
This article explains some theory behind an extremely common electronic component.
In this article, we discuss power hold-up and some energy storage management devices in the context of SSDs.
In this article, we discuss power hold-up and some energy storage management devices in the context of SSDs.
This article looks at various types of oscilloscope probes and how to use them.
This article looks at various types of oscilloscope probes and how to use them.
Learn more about the importance of capacitor ESR, how to measure it, and what factors can affect your measurements.
Learn more about the importance of capacitor ESR, how to measure it, and what factors can affect your measurements.
Low power consumption has become an important design goal in many electronic systems. This article introduces essential…
Low power consumption has become an important design goal in many electronic systems. This article introduces essential concepts and techniques.
This article provides insight into the importance of complex conjugates in electrical engineering.
This article provides insight into the importance of complex conjugates in electrical engineering.
This article uses examples to explain the technique of source transformation.
This article uses examples to explain the technique of source transformation.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much…
The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much power ripple as possible. Because these capacitors have a DC value, they are actually storing a lot of energy that never gets used.