High frequency PCB Manufacturer-Shenzhen Chengchi Circuit Technology Co., Ltd.

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Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

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Dec 03, 2025 1

PCBA Environmental Resistance Performance

PCBA (Printed Circuit Board Assembly) environmental resistance performance refers to the ability of the assembled circuit board to maintain its structural integrity, electrical functionality, and performance stability when exposed to various harsh environmental conditions during its service life. Th

Mar 26, 2026 243

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PCB Power Integrity: The Blood Supply System of the Circuit Board, Stable Power Makes for Stable Circuits

We often say, "Humans rely on blood for oxygen, and circuits rely on power supplies for electricity." The PCB power system is like the "blood supply system" of the circuit board, responsible for delivering stable electrical energy to all components like CPUs, chips, sensors, and more. Once this "blo

Mar 26, 2026 273

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PCBA Mixed Assembly Process Difficulties

The mixed assembly process of PCBA (Printed Circuit Board Assembly) refers to the combination of through-hole technology (THT) and surface mount technology (SMT) in a single circuit board assembly, which is widely used in electronic products that require both high reliability and high integration. H

Mar 25, 2026 522

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80% of EMC Radiated Emission Failures Are Caused by Messy PCB Routing

In the EMC troubleshooting/debugging community, a golden rule circulates: 80% of radiation emission failures originate from PCB layout and routing. This statement is not an exaggeration. Many engineers, when designing circuit boards, only think about connecting components and getting the functionali

Mar 25, 2026 198

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The Complete Manufacturing Process of PCBA

The complete manufacturing process of PCBA (Printed Circuit Board Assembly) is a systematic and precise sequence of steps that transforms raw materials into a functional electronic assembly, involving multiple stages of production, inspection, and testing to ensure quality and reliability. The proce

Mar 24, 2026 477

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High-Speed PCB Trace Length Matching – Core Concepts and Fundamentals for Beginners

In low-speed PCB design, trace length may seem trivial—circuits often work as long as connectivity is achieved. However, once designs enter the MHz+ high-speed domain or high-frequency RF circuits, trace length directly dictates signal quality and system stability. Length mismatch, which causes sign

Mar 24, 2026 38

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