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The characteristic impedance of transmission lines starts with the board stackup.

Printed Circuit Board Disposal

Designing and manufacturing PCBs is so complex that it’s easy to forget what happens to a fully-functioning and regulated board once it leaves the shop. After a hopefully long and uneventful service life, the board will naturally reach the end of its use or become obsolete due to the presence of a revision, upgrade, or entirely new product. The business world refers to this situation as an externality: an unintended consequence of industry.

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Rules for Handling Printed Circuit Boards

For longevity and the best performance of the circuit board, it must be handled with the greatest of care. Here, we will look at some potential problems associated with rough treatment and the rules for handling printed circuit boards to avoid these undesirable consequences.

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How the Electronics Parts Shortage is Affecting the PCB Industry

The question on everyone’s mind now is how long these shortages will continue. OEMs want to return to full production of their products, manufacturers want to supply customers’ demand, and end-users want access to the latest products. Here we’ll look at the electronics parts shortage, how it is affecting the printed circuit board industry and some ways that designers can work around these problems.

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Do I Need a ROHS-Compliant PCB?

The implementation of RoHS has greatly reduced the presence of dangerous metals and chemicals that may eventually escape their packaging and be a downstream health concern to local fauna and flora. However, the industry is multitudinous enough in its applications that a RoHS compliant PCB is not always the best solution. In cases where RoHS materials would directly impact human health and safety, it is far more important to support the reliability and operational stability of the device.

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The ABCs of PCB Design Basics

Just as the ABCs are the basics of English language skills, other skills also rely on basic principles or ABCs. One of these is circuit board design and layout. Although PCB design encompasses various board types and design technologies, some basic ABCs still apply. Here is a list of the ABCs of PCB design basics that can help engineers avoid problems and create successful designs.

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PCB Repair: Common Breaks and How to Fix Them

PCB repair functions much in the same way: given a large enough production lot or a long field life, a board will inevitably need maintenance. Rework before field usage is also critical, and some amount during manufacturing is always expected. In either case, technicians should be able to identify some of the common modes of failure for PCBs to more quickly and effectively reduce downtime for boards and return them to operation.

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