Latest Analog Articles and Videos

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.

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.

In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that…

In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that contain more than one ideal diode in conjunction with resistors and DC power sources.

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.

How cheap MCUs are turning ubiquitous sensors into the next IoT frontier.

How cheap MCUs are turning ubiquitous sensors into the next IoT frontier.

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.

Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements,…

Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements, measurement tools, and expected results. There are many ways to classify signals!

Build a generator-powered LED headlight for a longboard for very cheap.

Build a generator-powered LED headlight for a longboard for very cheap.

In this article we’ll use the SAM4S Xplained Pro development platform to get some hands-on experience with a PWM DAC.

In this article we’ll use the SAM4S Xplained Pro development platform to get some hands-on experience with a PWM DAC.

Learn LabVIEW FPGA by programming the on-board Xilinx FPGA of the student-focused embedded device NI myRIO.

Learn LabVIEW FPGA by programming the on-board Xilinx FPGA of the student-focused embedded device NI myRIO.

The new development board features a 32 MHz Quark and a host of features at a $14.95 price tag.

The new development board features a 32 MHz Quark and a host of features at a $14.95 price tag.

This article covers everything you need to know to generate pulse-width-modulated signals with Atmel’s SAM4S Xplained…

This article covers everything you need to know to generate pulse-width-modulated signals with Atmel’s SAM4S Xplained Pro development board.

Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In…

Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In this article, we will discuss one of two amp configurations that are most widely used.

In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.

In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.

One of the reasons the operation amp (op-amp) is so reputable is because of its versatility. In this article, you will…

One of the reasons the operation amp (op-amp) is so reputable is because of its versatility. In this article, you will see that almost anything can be done using an op-amp. It is also notable that this integrated circuit has many characteristics that approach those that are considered to be ideal.

We got to interview Alexander Lee from Aeroscope Labs about his experience developing the Aeroscope, the world's first…

We got to interview Alexander Lee from Aeroscope Labs about his experience developing the Aeroscope, the world's first wireless oscilloscope.

If your microcontroller doesn’t have a digital-to-analog converter, you can make a passable replacement with nothing…

If your microcontroller doesn’t have a digital-to-analog converter, you can make a passable replacement with nothing more than a pulse-width-modulated signal and a low-pass filter.

In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between…

In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between communication methods that do and do not use modulation.