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pcb footprint creation guidelines

Aluminum Core PCBs: Lightweight, Heavy Dissipation

As the power demands of devices increase to keep pace with performance, the thermal capabilities of standard PCB materials cannot provide the requisite characteristics for reliable operations. Traditional active and passive cooling approaches can impede project goals and lead to sub-optimal solutions, especially constrained designs due to enclosure size, package weight, or power efficiency. Increasingly,…

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component orientation on pcb

Creepage and Clearance Rules for High-Voltage Boards

Any PCB carries essential industry standards that should be followed and considered during design and assembly. Among the various PCB design standards, one crucial set governs creepage and clearance distances between neighboring conductors on a PCB. These standards aid in designing electrostatically safe products, especially those running at high voltage. If a high voltage develops…

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Semi Conductor

PCB Crosstalk: How to Reduce Coupling

Have you ever been deep in thought writing and transcribed the words you hear instead of what you intended to write? It was only late in my life that I realized how overloaded my brain becomes when trying to work silently and process spoken words simultaneously. Even if you haven’t experienced the exact phenomenon, the…

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

Characteristic Impedance of Transmission Line Design

Defining the stackup early in the design helps constrain the layout and prevent downstream manufacturing issues. Primarily, a trace width based on the finest pitch component will act as an input to the impedance field solver software; this step ensures manufacturability and coordination with the characteristic impedance necessary for different transmission protocols. While most traces…

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PCB Trace Widths: Optimizing for Impedance, Density

In the layout of printed circuit boards, width plays an important part, especially in the metal connections fabricated into the board called “traces.” Traces conduct signals to and from the pins of the components soldered to the board and carry varying amounts of current depending on the net. Additionally, the signal’s traces may have special…

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