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Site title: PCB Fabrication, Assembly, and Components | Sierra Circuits
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When procuring PCBs, engineering and sourcing teams should follow a structured checklist that validates BOM accuracy and assesses fabricator capabilities.
As a hardware engineer, NPI lead, or procurement manager, you must verify component lifecycle status, define attrition buffers, and evaluate cost impact before issuing purchase orders (PO).
In this article, we...
When designing an HDI PCB stack-up, you need to choose the right build-up architecture and define a via strategy that supports the routing density and impedance needs.
For example, use microvias to breakout fine-pitch BGAs, select a 1+N+1 or 2+N+2 build-up depending on fanout difficulty, and ensure symmetrical layer construction to maintain manufacturability and reliab...
Choosing the right RF PCB components and placing them appropriately helps you avoid critical issues such as insertion loss and EMI. These errors generally occur due to poor isolation and parasitic effects.
As an RF engineer, you need to select low-noise amplifiers (LNAs), position oscillators close to the clock input pin, and place matching networks near mixer ports to...
A composite or nested-feedback amplifier is typically used when a single op-amp can’t meet all performance requirements. It ensures high gain, wide bandwidth, and low noise. A poorly implemented composite op-amp can oscillate or lose precision due to layout parasitics or incorrect feedback values.
As a PCB designer, you should consider adding one when the design demand...
AI-assisted circuit board design is reshaping the schematic and layout creation process by recommending optimal part placement and routing topologies. It predicts signal integrity, power integrity, and manufacturability risks in real-time without waiting for the traditional DRC flags or simulation.
At the same time, circuit boards built for AI-driven systems call for 1...