Latest Optical Networking Technical Articles

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How Standard Deviation Relates to Root-Mean-Square Values

This article explores an interesting connection between an important statistical measure and one of the fundamental analytical tools of electrical engineering.

July 28, 2020 by Robert Keim

Average Deviation, Standard Deviation, and Variance in Signal Processing

This article discusses three descriptive statistical measures from the perspective of signal-processing applications.

July 10, 2020 by Robert Keim

Overcoming CAN Design Challenges: How to Easily Terminate CAN Signals

This article explores and provides answers to some common questions associated with CAN design and implementation challenges — in particular, signal termination in CAN systems.

April 14, 2020 by Eric Hackett, Texas Instruments

Introduction to CAN (Controller Area Network)

This article introduces the Controller Area Network (CAN) serial communication bus, detailing message frames, bus arbitration, and signaling.

February 19, 2019 by Stephen St. Michael

Digital Design with Pass-Transistor Logic

This article presents efficient, pass-transistor-based implementations of important digital functionality.

December 26, 2018 by Robert Keim

Introduction to Pass-Transistor Logic

This article explores an alternative, and in some cases advantageous, approach to MOSFET-based implementation of digital logic functions.

December 17, 2018 by Robert Keim

Clock Signals in FPGA Design: Data Path Maximal Clock Rates and the Xilinx PERIOD Timing Constraint

This article will discuss the Xilinx Period timing constraint that allows us to describe the characteristics of the clock signal that will be used with an FPGA design.

December 05, 2018 by Steve Arar

Understanding Bandwidth in Communications and Computing

This article discusses how to interpret and specify bandwidth in systems that involve data transmission and digital processing.

November 27, 2018 by Robert Keim

How to Design a Super Simple Sensor System for Industrial Monitoring Applications

This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart home sensing and monitoring. We will discuss a custom sensor subsystem developed for this application.

September 12, 2018 by Mark Hughes

Simplify Your Industrial Interface by Eliminating RS-485 Control Lines

This article outlines traditional half-duplex RS-485 configurations and then presents new alternatives for simplifying the control interface by eliminating the required control lines and software control code.

May 29, 2018 by Bonnie Baker, Maxim Integrated

How to Decode Manchester-Encoded Data Using Hardware

This article looks at some circuits that can help you extract the original data from a Manchester-encoded signal.

March 01, 2018 by Robert Keim

How to Generate Manchester-Encoded Data in Hardware and Firmware

This article discusses implementation details for a simple yet effective technique that can improve your digital communication.

February 26, 2018 by Robert Keim

Intelligence at the Edge Part 3: Edge Node Communication

Connected industrial machines can sense a wide array of information used to make key decisions within the Industrial Internet of Things (IIoT). A sensor within an edge node can be spatially far removed from any data aggregation point. It must connect through a gateway that links edge data with a network.

January 09, 2018 by Ian Beavers, Analog Devices

How to Use a Robot to Record and Transfer Audio Signals

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

September 15, 2017 by Robert Keim

Intelligence at the Edge Part 1: The Edge Node

The industrial Internet of Things (IoT) encompasses the broad transformation underway that will make pervasive sensing across connected machines not just a competitive advantage, but an essential fundamental service. The industrial IoT starts with the edge node, which is the sensing and measurement entry point of interest.

September 12, 2017 by Ian Beavers, Analog Devices

Teardown of Schneider Electric’s Altivar Process ATV630U15M3

Take a look at the inner workings of the Altivar Process ATV630U15M3.

August 29, 2017 by Miller Henley

Isolation in Digital Power Supply—Why and How

Digital power supplies are widely employed in high-end servers, storage, telecom brick modules, and more. For these applications, isolation is often required. This article discusses the digital isolation techniques with Analog Devices’ iCoupler products in digital power supply design.

August 01, 2017 by Jason Duan, Analog Devices

Radio Meets Fiber Optics: RF Over Fiber

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.

June 14, 2017 by Marie Christiano

Communication Processors March on But 5G Demands Much More

Development is well underway on Gigabit LTE cellular communications systems that promise an order of magnitude increase in data transfer rates and 5G is close behind. Small cell access nodes will form an essential part of both systems but new communications processors are needed to make these a reality.

June 08, 2017 by Emmanuel Gresset, CEVA

Passive Intermodulation (PIM) Effects in Base Stations: Understanding the Challenges and Solutions

Passive intermodulation represents the intermodulation products generated when two or more signals transit through a passive device with nonlinear properties. The interaction of mechanical components generally causes nonlinear elements.

May 09, 2017 by Frank Kearney, Analog Devices