In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
This project introduces ATmega328P fuse bits and shows how to set them to use an external 16 MHz crystal oscillator.
This project introduces ATmega328P fuse bits and shows how to set them to use an external 16 MHz crystal oscillator.
An introduction to the basic operation of solid-state relays with a focus on the output devices in today’s SSRs.
An introduction to the basic operation of solid-state relays with a focus on the output devices in today’s SSRs.
Learn about the laser diode, including package types, applications, drive circuitry, and some laser diode specifications.
Learn about the laser diode, including package types, applications, drive circuitry, and some laser diode specifications.
Gate-driver ICs such as the DGD0506 provide a convenient and efficient way to control high-current loads.
Gate-driver ICs such as the DGD0506 provide a convenient and efficient way to control high-current loads.
Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of…
Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of human hearing.
A boost power factor correction (PFC) converter can significantly improve both the power factor and the harmonic distortion.
A boost power factor correction (PFC) converter can significantly improve both the power factor and the harmonic distortion.
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak…
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak peek at his or her surprise.
How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output…
How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output amplitude? Let’s take a look.
This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.
This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.
In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.
This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.
This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.
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.
Internal or external? Quartz or ceramic? Crystal oscillator or silicon oscillator? So many clocking options . . . which…
Internal or external? Quartz or ceramic? Crystal oscillator or silicon oscillator? So many clocking options . . . which one is right for your design?
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of…
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of FIR filters over IIR designs, e.g. stability and linear-phase response. Finally, we'll go over an introduction to designing FIR filters via the window method.
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert…
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert this data into an analog signal without overburdening the CPU.
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical…
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface.
Part One in this three-article series focuses on using the SAM4S timer/counter peripheral to precisely control the…
Part One in this three-article series focuses on using the SAM4S timer/counter peripheral to precisely control the DAC’s sampling rate.
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