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What Is a PCB Test Fixture? How Does It Improve PCBA Testing?
A PCB test fixture holds a printed circuit board in a repeatable position and connects…
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Pump Controller PCB for Reliable Water Pump Operation
A pump controller PCB receives operating signals and controls when a water pump starts, stops,…
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Working Principle, Characteristics, and Applications
A tunnel diode, also called an Esaki diode, is a heavily doped PN-junction diode that…
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The Risks of Using Public USB Charging Stations – The Lab
Your phone battery hits 5% while you’re traveling, shopping, or waiting at the airport. Then…
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Trace Angles, Routing, and Etching Guidelines
For PCB layout designers, hardware engineers, and DFM reviewers, a PCB acid trap can turn…
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How to Protect PCB from Moisture? Practical Methods for Humidity and Condensation Control – PCB & MCPCB
Knowing how to protect PCB from moisture is important even when a product never comes…
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How X-Ray Inspection Is Used in PCB Assembly
Modern PCB assemblies contain increasingly compact layouts, higher component densities and more concealed interconnections than…
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Why Does a Head-in-Pillow Defect Occur in BGA Soldering?
A head-in-pillow defect occurs when a BGA solder ball and the printed solder paste fail…
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End-of-Life Components: What Are Your Options?
An end-of-life (EOL) notification does not automatically mean a PCB needs redesigning or production must…
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Inspection, Testing & RFQ Guide
Sourcing an optical transceiver PCB assembly supplier takes more than checking whether a factory offers…