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Assessing Conductor and Dielectric Losses in Transmission Lines

Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our application. In this article, we’ll learn about attenuation caused by conductor loss and dielectric loss.

September 15, 2023 by Dr. Steve Arar

AI Networking Chip Startup, Enfabrica, Receives $125 Million in Series B Funding

With Nvidia now added to its list of strategic investors, Enfabrica has opened pre-orders on systems using its AI era fabric switch IC

September 15, 2023 by Duane Benson

Behind Saildrone: The Company Sending Autonomous Sailboats Into the Eye of Hurricanes

Driven by wind and solar power, storm-chasing Saildrone vessels are autonomously collecting valuable scientific data for up to a year at a time.

September 12, 2023 by Aaron Carman

Introduction to Dielectric Loss in Transmission Lines

Understanding the effect of dielectrics on transmission lines is an important aspect of many high frequency system designs. This article will introduce concepts like relative permittivity and loss tangent and describe how they affect the performance of transmission lines.

September 03, 2023 by Dr. Steve Arar

Semiconductor Industry News: Recent IPOs, Acquisitions, and Fallen Deals

Amid the Chips Act, labor shortages, and international trade tension, the semiconductor industry is anything but predictable.

August 28, 2023 by Duane Benson

The Skin Effect in Cylindrical and Rectangular Conductors: Eddy Currents and Current Crowding

The distribution of AC currents in real conductors with finite dimensions and circular or rectangular cross-sections is non-uniform. This article will discuss Faraday's law and how AC currents create eddy currents and current crowding in real conductors.

August 27, 2023 by Dr. Steve Arar

Communication ‘Breakthroughs’ Make Waves in the Wireless Industry

From the smallest LTE-M/NB-IoT module to the fastest 5G uplink speed record, several companies have recently taken to the news to claim an important feat in wireless technology.

August 26, 2023 by Jake Hertz

Zeroing In on Wi-Fi 7, Marvell Releases First 5 nm Multi-GB PHY Platform

The first chip based on Marvell's 5 nm multi-gigabit copper Ethernet PHY platform reduces PHY power by more than 50% and delivers up to 10 Gbps of bandwidth for Wi-Fi 7.

August 24, 2023 by Aaron Carman

Phillip Smith: From Amateur Radio Operator to Creator of the Smith Chart

Phillip Smith, an amateur radio operator working at Bell Labs, devised a chart that even today can help engineers understand the behavior of transmission lines.

August 21, 2023 by Lianne Frith

Super Junction MOSFETs Tackle Efficiency in the World of High-voltage Power

A wave of N-channel Super Junction MOSFETs from Rohm, Alpha and Omega, and Toshiba aim to address efficiency in high-voltage power applications.

August 19, 2023 by Duane Benson

Understanding and Minimizing Switching Noise Jitter (SNJ)

Switching noise jitter (SNJ) is an important concept to digest and a tricky problem to manage. Learn the background of SNJ and how employing innovative filtering technology can smooth the way.

August 17, 2023 by Steve Taranovich, TransSIP

Understanding Security Keys in Bluetooth Low Energy

Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).

August 13, 2023 by Nthatisi Hlapisi

Noise Figure Measurement Using the Y-Factor Method: Noise Source Uncertainty and Fixturing Losses

The Y-factor method simplifies noise figure measurements by allowing the use of variable attenuators in place of a calibrated power meter. In addition to defining the Y factor, we will discuss noise source uncertainty and fixturing losses that can introduce errors in your noise figure measurements.

August 11, 2023 by Dr. Steve Arar

To Speed Up 5G Deployment, Samsung and Intel Expand vRAN Collaboration

Samsung is integrating its latest release, vRAN 3.0, with 4th-gen Intel Xeon scalable processors to hasten 5G improvements and deployment.

August 10, 2023 by Duane Benson

Renesas Continues Acquisition Trail, Now Pursuing Sequans’ Cellular IP

First, it was Dialog Semiconductor. Then it was Celano and Panthronics. Now, Renesas is after 4G/5G specialist Sequans in its latest string of IoT-focused acquisitions.

August 08, 2023 by Jake Hertz

Behind the Launch of Jupiter 3, the World’s Largest Comms Satellite

On its way to geosynchronous orbit, the heaviest commercial satellite offers unprecedented coverage thanks to its unique design.

August 03, 2023 by Aaron Carman

Three MOSFETs Aim to Unleash Efficiency and Power Density

With a focus on conduction loss, size, and speed, the power MOSFETs may pave the way for unprecedented efficiency and power density in a range of applications.

July 25, 2023 by Darshil Patel

Three T&M Tools Speed Verification for Data-heavy Applications

Some of the biggest names in testing equipment have released new tools to accelerate verification for communication chips, PCIe cables, wide bandgap devices, and more.

July 22, 2023 by Kristijan Nelkovski

IEEE Certifies Li-Fi, the Light-based Communications Standard

The IEEE has certified the first standard for Li-Fi, a high-speed digital communication standard in the infrared (IR), visual light, and ultraviolet (UV) spectrums.

July 21, 2023 by Duane Benson

Lossy Transmission Lines: Introduction to the Skin Effect

This article introduces high-frequency conductor losses in transmission lines caused by a phenomenon known as the skin effect.

July 19, 2023 by Dr. Steve Arar