Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
August 29, 2018 by Cezar Chirila
This article will review the operation of a basic ECL inverter/buffer, and then we’ll look at some of the most important features of this logic family.
July 12, 2018 by Dr. Steve Arar
Connecting power with incorrect polarity is an easy mistake to make. Fortunately, protecting your device from reverse polarity is also quite easy.
June 28, 2018 by Robert Keim
This article looks at the mathematical calculations used to size the pull-up resistors and determine the maximum length of circuit traces.
June 22, 2018 by Mark Hughes
This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.
June 18, 2018 by Robert Keim
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!
June 07, 2018 by Robin Mitchell
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.
June 07, 2018 by Robert Keim
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
June 06, 2018 by Robert Keim
This article presents the equivalent circuit for a solar cell and discusses some implementation details.
May 30, 2018 by Robert Keim
In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.
May 28, 2018 by Robert Keim
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
May 16, 2018 by Robert Keim
This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.
May 14, 2018 by Robert Keim
This technical brief explains two distinct types of electromagnetic interference.
April 16, 2018 by Robert Keim
This technical brief discusses a widely used military standard for power-supply characteristics.
April 09, 2018 by Robert Keim
This article, part of AAC’s Analog Circuit Collection, explains the functionality of a clever circuit that accurately measures supply current.
February 19, 2018 by Robert Keim
This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in constant-current applications.
February 12, 2018 by Robert Keim
This article, part of AAC’s Analog Circuit Collection, presents a straightforward way to precisely control the current through an LED (or through a typical resistive load).
February 05, 2018 by Robert Keim
Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.
January 17, 2018 by Cezar Chirila
In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.
November 17, 2017 by Robert Keim
Get an intro to overcurrent protection and OCPDs (overcurrent protection devices).
October 27, 2017 by Ahmed Faizan
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