Latest Modulation Articles and Videos

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How Alec Reeves Revolutionized Telecom With Pulse-Code Modulation

In an effort to secure Allied communications during WWII, Alec Reeves invented pulse-code modulation—a critical technology in telecom today.

November 07, 2023 by Chantelle Dubois

New Test & Measurement Tools Rise to Meet the Needs of High-Frequency Devices

New test tools from Siglent, Teledyne LeCroy, and Keysight flex frequency range, accuracy, flexibility, and resolution.

September 26, 2023 by Darshil Patel

AI or 5G? EdgeQ Asks, “Why Not Both?” While Building a Wireless Base Station-on-a-Chip

Adil Kidwai, VP and Head of Product Management at EdgeQ, discusses how they are aiming to redefine software-defined radios as they build what they believe is the world’s first base station-on-a-chip, using RISC-V to enable AI and 5G.

June 27, 2023 by Daniel Bogdanoff

Photonic Chip Design Rethink Could Cut Data Center Energy Use

Leveraging novel photonic circuit designs, researchers hope to lower electricity consumption in data centers.

June 02, 2023 by Kristijan Nelkovski

Receiving and Sampling Signals in Digital Pulse Amplitude Modulation

The receiver in a digital PAM system must sample and measure the amplitude of a signal that is affected by the frequency response of the transmission channel.

March 05, 2023 by Robert Keim

CML Microcircuits CMX90G70 RF Amplifiers | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

February 19, 2023 by Mouser Electronics

Quectel LC86G Compact GNSS Module | Featured Product Spotlight

This Featured Product Spotlight is part of a video series exploring the specifications, applications, and market context of new products.

February 19, 2023 by Mouser Electronics

A Primer on Digital Pulse Amplitude Modulation

An encoding technique used for digital communication, pulse amplitude modulation (PAM) converts a discrete-time signal into a variable-amplitude continuous-time signal that is suitable for high-speed wired communication systems.

January 22, 2023 by Robert Keim

Designing a Quadrature Network Using an All-pass Filter

Quadrature networks convert a single input signal into two outputs with a 90-degree phase difference. This article explains how to design quadrature networks using all-pass filters.

December 23, 2022 by John Woodgate

Digital Square Wave Generator Design Via a Ring Oscillator, 555 Timer, and Arduino

Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an Arduino-generated square wave oscillator.

December 11, 2022 by Nicholas St. John

Point2 Extends the Reach of 5G by 40 km in New Reference Design

The reference design features a new SoC with proprietary electronic dispersion compensation (EDC) capabilities.

September 30, 2022 by Jake Hertz

H-bridge DC Motor Control Using Complementary PWM, Shoot-through, and Dead-time

Learn about the role of non-overlapping or complementary pulse width modulation (PMW) in DC motor control using an h-bridge circuit, taking into consideration PWM shoot-through and dead-time PWM.

August 29, 2022 by Jake Hertz

Harvard Researchers Control and Modulate Acoustic Waves on Chip

In a recent publication, researchers at Harvard demonstrated how they tuned and controlled sound waves on an integrated circuit for the first time.

July 14, 2022 by Ingrid Fadelli

AMD SoC Fuels Open RAN Designs for Meta’s Evenstar Effort

By leveraging AMD’s RFSoC device, radio units for Meta’s Evenstar program are well-positioned to speed the adoption of Open RAN infrastructure.

May 11, 2022 by Jeff Child

First PCle 6 Clock Buffers and Multiplexer “Silence” the Data Center

Locking its sights on data centers and the new PCIe Gen6 standard, Renesas has created the "industry’s first PCIe Gen6 timing solution."

April 22, 2022 by Ikimi .O

Demystifying LoRa and LoRaWAN Wireless Network Protocols

In this article, get a basic understanding of wireless communication networks—LoRa and LoRaWAN.

April 17, 2022 by Brandon Satrom

Keysight Rolls Out Two New Test Solutions at DesignCon 2022

Addressing the challenges of 1.6 Tb/s pathway test and PCIe 6.0 validation, Keysight is releasing two new test products at this week’s DesignCon 2022.

April 07, 2022 by Jeff Child

With 3G’s Departure, We May See a Tidal Wave of Obsolete Hardware

The sunset of 3G is scheduled for the end of next year. What does this mean for the millions of devices that rely on this wireless technology?

December 13, 2021 by Tyler Charboneau

High-layer Count (HLC) PCB Technology for the 5G Era

One effective solution to the requirements of 5G technology is the use of HLC (High-layer Count) PCB boards that integrate key features such as skip vias, POVF manufacturing, advanced raw materials, and impedance control.

November 11, 2021 by Sarah Kuang, Kinwong

Intro to 5G NR

Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.

October 15, 2021 by Dale Wilson