Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
one day ago by Robert Keim
This article, the first in a two-part series on op amp signal swing, explains the characteristics and limitations of an operational amplifier’s input voltages.
5 days ago by Robert Keim
Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.
February 04, 2024 by Dr. Steve Arar
Learn how a bifilar coil can be used to design transformers for high-frequency RF applications.
January 26, 2024 by Dr. Steve Arar
In this article, we’ll learn about the limitations of magnetically coupled transformers in RF applications by modeling the devices' high-frequency non-idealities.
January 24, 2024 by Dr. Steve Arar
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.
January 17, 2024 by Dr. Steve Arar
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.
January 12, 2024 by Dr. Steve Arar
RF amplifier design is a challenging task, involving trade-offs between linearity, efficiency, gain, and output power. Here, we examine how a common-emitter circuit can, or can't, function as a power amplifier.
December 22, 2023 by Dr. Steve Arar
Learn about the behavior and benefits of hysteresis in comparator circuits, magnetic components, and high-power devices.
November 19, 2023 by Robert Keim
This article, the second in a series on hysteresis, explains two types of hysteresis found in engineered systems.
November 15, 2023 by Robert Keim
Found both in nature and in engineered systems, hysteresis is a crucial design technique in certain electronic applications. In this article, we'll introduce its theoretical underpinnings.
November 12, 2023 by Robert Keim
In this article, we use voltage waveforms to explore the electrical behavior of key subcircuits within a CMC buck converter.
November 08, 2023 by Robert Keim
In this article, we use LTspice to discuss the operation of the voltage error amplifier and PWM generator in a current-mode-controlled (CMC) step-down regulator.
November 05, 2023 by Robert Keim
Interested in learning about analog integrated circuits? This article explores the design metrics and applications of these essential but underappreciated ICs.
October 27, 2023 by Nicholas St. John
In this article, we’ll learn about current-mode control (CMC) for switching regulators by examining the layout of an example circuit in LTspice.
October 18, 2023 by Robert Keim
This article provides a primer on current-mode control, a widely used alternative to voltage-mode control that provides faster response to changes in input voltage and load current.
October 13, 2023 by Robert Keim
Learn about various types of filters, including common terminology and important characteristics.
September 30, 2023 by Nick Davis
Using a pulse-frequency-modulated buck converter as an example, this article describes techniques for incorporating PFM into switching regulator design and simulations.
September 29, 2023 by Robert Keim
What’s the difference between PFM and PWM? We explore pulse-frequency modulation as a technique for controlling the output voltage of a switch-mode voltage regulator.
September 27, 2023 by Robert Keim
Learn how to simulate a switching voltage regulator with a voltage-controlled PWM waveform in LTspice.
September 22, 2023 by Robert Keim
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