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How Is PCB Layer Registration Controlled in Multilayer Boards?
PCB layer registration is the positional alignment of copper features on different layers of a…
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1k Resistor Color Code, Testing and PCB Selection
The 1k resistor color code is brown–black–red–gold for a common four-band resistor with ±5% tolerance.…
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What Happens When Face ID Or Fingerprint Sensors Fail? – The Lab
Face ID and fingerprint sensors make unlocking your phone quick and convenient. You might also…
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Aluminum Core PCB Assembly for Tower LED Obstruction Lighting
Aluminum core PCB assembly is well suited to tower LED obstruction lights that generate concentrated…
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Wire Harness Classes, Inspection and Testing
IPC 620 is the commonly used name for IPC/WHMA-A-620, the requirements and acceptance standard for…
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Design, Impedance Matching & Testing
A Yagi PCB antenna uses printed conductive elements to concentrate RF energy in a specific…
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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…