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How to Measure Resistance Using Four-Wire Measurement

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How to Conduct Electromagnetic Interference (EMI) Testing

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How to Test 400G / 800G Electrical Transmitter Conformance

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HHD is driven by the motto ” imagination and reality” We specialize in EMC, RF and high-speed systems, AIoT applications and hardware/firmware/software design, leveraging our expertise and experience to transform innovative ideas into tangible solutions.

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7th Floor, Sanam building,
78 Duy Tan Street,
Dich Vong Hau Ward,
Cau Giay District, Hanoi

  • Email: [email protected]
  • Phone: +84 813 158 836
  • Hours: 9AM - 6PM Monday to Friday

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