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The Effect of Coefficient Quantization on the Performance of a Digital Filter

The Effect of Coefficient Quantization on the Performance of a Digital Filter

This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the coefficient quantization.


Structures for Implementing Finite Impulse Response Filters

Structures for Implementing Finite Impulse Response Filters

This article will review some basic structures to implement Finite Impulse Response (FIR) filters.


Insight into the Results of DFT Analysis in Digital Signal Processing

Insight into the Results of DFT Analysis in Digital Signal Processing

This article attempts to give a deeper insight into the interpretation of DFT (direct Fourier transform) output.


What is Bluetooth 5? Learn about the Bit Paths Behind the New BLE Standard

What is Bluetooth 5? Learn about the Bit Paths Behind the New BLE Standard

The latest Bluetooth Specification provides features that allow increased speed and increased transmission distance. This article provides information about the various bit data paths used in the latest specifications.


Better Insight into DSP: 10 Applications of Convolution in Various Fields

Better Insight into DSP: 10 Applications of Convolution in Various Fields

This article presents an overview of various applications which exploit convolution, an advanced signal operation.


An Introduction to Canonical Signed Digit Representation

An Introduction to Canonical Signed Digit Representation

CSD is an elegant method to implement digital multipliers in a more efficient way.


Multirate DSP and Its Application in D/A Conversion

Multirate DSP and Its Application in D/A Conversion

This article reviews the basics of D/A conversion and explains how multirate DSP can lead to a more efficient system.


Multirate DSP and Its Application in A/D Conversion

Multirate DSP and Its Application in A/D Conversion

Multirate DSP leads to a more efficient A/D conversion.


Getting Started with FPGAs: Lookup Tables and Flip-Flops

Getting Started with FPGAs: Lookup Tables and Flip-Flops

Dive under the hood of an FPGA: Just what is inside of an FPGA that makes it so different from a microcontroller and yet still so versatile?


Getting Started with FPGAs: The Development Environment and “Hello World”

Getting Started with FPGAs: The Development Environment and “Hello World”

It’s time to dive into the world of programmable logic. Use this tutorial to get your FPGA development environment setup and understand the tool set and basic development process.


No Light Required: A New Thermal-Sensor-Array Development Board

No Light Required: A New Thermal-Sensor-Array Development Board

The grid-EYE click provides a user-friendly introduction to advanced thermal sensing and detection.


A Microcontroller Enthusiast’s First Look at Programmable Logic

A Microcontroller Enthusiast’s First Look at Programmable Logic

The FPGA can be a great addition to your arsenal, but it requires some adjustments to the way a microcontroller jockey thinks.


Creating a Simple Data Logger with the RIOT (Realtime Internet of Things) Framework

Creating a Simple Data Logger with the RIOT (Realtime Internet of Things) Framework

In this project, we will demonstrate the simplicity of RIOT by creating a data logger that will plot levels of light onto a graph on a PC server application.


Projects Mar 08, 2017 by Robin Mitchell
An Introductory Project for Software Defined Radio

An Introductory Project for Software Defined Radio

Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.


Projects Feb 02, 2017 by Christi Durham
Introduction to Software-Defined Radio

Introduction to Software-Defined Radio

All about software-defined radio (SDR).


The Packet Concept: High-Level Synchronization for Data Links

The Packet Concept: High-Level Synchronization for Data Links

Learn about (for lack of a better term) packetization, a technique that facilitates robust data transfer in optical, RF, and long-distance-digital communication systems.


The Cyclic Redundancy Check (CRC): Finding—and Even Correcting—Errors in Digital Data

The Cyclic Redundancy Check (CRC): Finding—and Even Correcting—Errors in Digital Data

This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.


Digital-to-Analog Conversion with the SAM4S Peripheral DMA Controller

Digital-to-Analog Conversion with the SAM4S Peripheral DMA Controller

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.


Projects May 09, 2016 by Robert Keim
Understanding and Using the SAM4S Digital-to-Analog Converter

Understanding and Using the SAM4S Digital-to-Analog Converter

Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface.


Projects May 04, 2016 by Robert Keim
DMA Digital-to-Analog Conversion with a SAM4S Microcontroller: The Timer/Counter

DMA Digital-to-Analog Conversion with a SAM4S Microcontroller: The Timer/Counter

Part One in this three-article series focuses on using the SAM4S timer/counter peripheral to precisely control the DAC’s sampling rate.


Projects Apr 28, 2016 by Robert Keim