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Common vs. Differential Mode in Routing and Signal Integrity

06/11/2026 | Kristin Moyer, Sacramento State University and Global Electronics Association
In high-speed designs, the distinction between common-mode and differential-mode is becoming increasingly critical in PCB routing. While most designers are familiar with differential routing as a technique for certain signals on the PCB, many may not realize its underlying purpose. Differential routing is used to mitigate differential mode noise in the system. To understand this, we need a bit of electrical engineering background on signal and current flow in a system.

NEC to Supply Nine Types of Defense Equipment for Three Australian Frigates

04/30/2026 | JCN Newswire
NEC Corporation has signed a contract with the Commonwealth of Australia to supply nine types of defense equipment that will be installed on all three ships in the initial phase of the Royal Australian Navy’s SEA3000 frigate procurement program, which involves the procurement of a total of 11 ships.

Understanding Tolerances in Flexible Circuit Design

04/01/2026 | Chris Clark, Flexible Circuit Technologies
The challenge with cumulative tolerances is meeting the dimensional requirements for items dimensioned on a drawing or specification for a flexible or rigid-flex circuit. It is critical to understand the fabrication processes and how features are defined when creating your tolerance requirements.

Beyond Design: Demystifying Common‑Mode Radiation

02/24/2026 | Barry Olney -- Column: Beyond Design
Common-mode radiation is a major contributor to unwanted electromagnetic interference (EMI). It arises when equal-phase currents flow on conductors without an opposing return current to cancel their fields. The resulting imbalance causes those conductors, especially attached cables, to behave as unintended antennas. Grasping how common-mode radiation is generated, the problems it creates, and the methods available to control it is essential for designing reliable electronic systems that meet regulatory requirements.

It’s Only Common Sense: Stop Whining About the Market—Outwork It

10/06/2025 | Dan Beaulieu -- Column: It's Only Common Sense
Whenever the market hiccups or the industry cycle dips, I hear the same tired chorus: “The market is down. Customers aren’t buying. What can we do? We just have to wait it out.” Nonsense. If you think that by showing up, opening your doors, and waiting for the economy to smile kindly upon you, that success will follow, you are in the wrong business. Worse yet, you’re living in the wrong mindset. Most people don’t want to hear the truth that winners find business in down cycles. Losers blame the economy.
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