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Knowledge and Nostalgia: 2025’s Top Educational Articles

Knowledge and Nostalgia: 2025’s Top Educational Articles

Ring in the new year with this roundup of All About Circuits' most popular educational content, both technical and historical.


News Dec 31, 2025 by Abby Garfinkle
Startup Intros ‘Most Advanced’ Multi-Gigahertz Timing and Clock Devices

Startup Intros ‘Most Advanced’ Multi-Gigahertz Timing and Clock Devices

Unveiled today, the new timing chips from Mixed-Signal Devices offer 2 GHz performance and use scalable CMOS to overcome the limits of analog alternatives.


News Jun 03, 2025 by Jeff Child
How Alec Reeves Revolutionized Telecom With Pulse-Code Modulation

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.


News Nov 07, 2023 by Chantelle Dubois
New Test & Measurement Tools Rise to Meet the Needs of High-Frequency Devices

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.


News Sep 26, 2023 by Darshil Patel
Photonic Chip Design Rethink Could Cut Data Center Energy Use

Photonic Chip Design Rethink Could Cut Data Center Energy Use

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


News Jun 02, 2023 by Kristijan Nelkovski
Point2 Extends the Reach of 5G by 40 km in New Reference Design

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.


News Sep 30, 2022 by Jake Hertz
Harvard Researchers Control and Modulate Acoustic Waves on Chip

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.


News Jul 14, 2022 by Ingrid Fadelli
AMD SoC Fuels Open RAN Designs for Meta’s Evenstar Effort

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.


News May 11, 2022 by Jeff Child
First PCle 6 Clock Buffers and Multiplexer “Silence” the Data Center

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."


News Apr 22, 2022 by Ikimi .O
Keysight Rolls Out Two New Test Solutions at DesignCon 2022

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.


News Apr 07, 2022 by Jeff Child
With 3G’s Departure, We May See a Tidal Wave of Obsolete Hardware

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?


News Dec 13, 2021 by Tyler Charboneau
Understanding 5G New Radio in Non-standalone Operation Applications

Understanding 5G New Radio in Non-standalone Operation Applications

The 5G New Radio platform is continuing to evolve. A clear understanding of 5G goals, technical terms, and technology will allow designers to imagine new use-cases for the nascent network.


News Oct 12, 2021 by Adrian Gibbons
Microchip Faces Connectivity Issues for PAM4 with “Most Compact” Ethernet PHY

Microchip Faces Connectivity Issues for PAM4 with “Most Compact” Ethernet PHY

The demand for better connectivity has prompted the shift to 112G PAM4, though there are many challenges like signal integrity. Taking on these challenges, Microchip unveils its latest solution.


News Sep 09, 2021 by Jake Hertz
From 1G to 5G: A Brief Evolution of Telephony and Wireless Networks

From 1G to 5G: A Brief Evolution of Telephony and Wireless Networks

Mobile telephony is entering its fifth decade. Today, we look back at the previous generations of mobile telephony technology leading to 5G.


News Jun 22, 2021 by Adrian Gibbons
Honda and Verizon Put 5G on Wheels With Mobile Edge Computing

Honda and Verizon Put 5G on Wheels With Mobile Edge Computing

When it comes to vehicle safety, processing latency can be a matter of life and death. Honda and Verizon are now remixing edge computing technology for the road.


News Apr 19, 2021 by Dr. Steve Arar
Researchers Claim World’s First Terahertz IC May Leapfrog Past 5G to 6G

Researchers Claim World’s First Terahertz IC May Leapfrog Past 5G to 6G

Working closely with ROHM Semiconductor, researchers at Osaka University have developed a device that operates in the terahertz spectrum to transmit large, uncompressed 8K videos uninterrupted within a 300 GHz bandwidth.


What Makes 5G So Fast? mmWaves, MIMO, Beamforming, and More

What Makes 5G So Fast? mmWaves, MIMO, Beamforming, and More

With 5G rolling out more quickly as we approach 2021, it may be helpful to touch on the key technologies that make 5G such a speedy success.


News Dec 02, 2020 by John Koon
Xilinx, TI, and Skyworks Tackle PA Efficiency Problems in 5G Small Cell Radios

Xilinx, TI, and Skyworks Tackle PA Efficiency Problems in 5G Small Cell Radios

As modulation scheme efficiency goes up, power amplifier efficiency goes down. Xilinx, TI, and Skyworks are bringing their expertise to the table to reconcile the trade-off.


News Nov 18, 2020 by Adrian Gibbons
Once 5G Hits, DC-DC Converters May Be RF Power Amplifier’s Saving Grace

Once 5G Hits, DC-DC Converters May Be RF Power Amplifier’s Saving Grace

The most power-hungry component in RF transmitters, the RF power amplifier, is getting some serious attention from design engineers.


News Jul 01, 2020 by Jake Hertz
A New Era of Upgraded T&M Equipment Helps Designers Vault 5G Challenges

A New Era of Upgraded T&M Equipment Helps Designers Vault 5G Challenges

Sure, traditional test and measurement equipment do the job. But a new class of T&M solutions may be the way forward in the 5G universe.


News Mar 12, 2020 by Gary Elinoff