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.

Service Hotline +8618129931046 Mr. Liao

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Dec 03, 2025 1

PCB Copy Production Line

A PCB copy production line refers to a systematic and automated manufacturing setup designed to replicate existing printed circuit boards (PCBs) with high precision and consistency. Unlike original PCB production that starts from design schematics, this production line focuses on reverse-engineering

Mar 05, 2026 1

Detail

When an impedance trace crosses a split, reference plane repair

**When an impedance trace has to cross a split, reference plane repair becomes the last line of defense. The core goal of the repair is singular: to provide a "shortcut" for the return current—a path that is nearby, low-impedance, and short—so it doesn't have to take a detour, thereby restoring impe

Mar 04, 2026 1

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PCB Manufacturing from Copy

PCB manufacturing from copy, also known as PCB cloning or reverse engineering manufacturing, refers to the process of reproducing a functional printed circuit board by extracting design data from an existing PCB sample. This technology is widely used in scenarios where original design documents are

Mar 04, 2026 1

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Hidden Hardware Pitfalls That Make Programs Run Away: Crystal, Reset, and Boot Configuration Demystified

**Many people are frustrated: The code is fine, the power supply is fine, interference has been dealt with, but the program still runs away! This article discusses: Program runaway caused by hidden hardware faults.****1) Crystal Oscillator Issues: Clock becomes unstable, program goes haywire**All ac

Mar 03, 2026 1

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PCB Test Pins

PCB Test Pins are specialized electrical connectors designed to facilitate the testing and validation of printed circuit boards (PCBs) during manufacturing, assembly, and quality control processes. These pins serve as temporary, high-precision contact points that establish electrical connections bet

Mar 02, 2026 1

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JLC PCB Technology Class: Learn to Understand PCB Manufacturing Processes!

Common PCB Working Layers: - **Routing Layer**: Located on the top layer, bottom layer, and inner layers of multi-layer boards. Used to draw copper traces that carry current, such as pads, traces, and copper pours. - **Silkscreen Layer**: Also known as the legend layer. Used to mark component anno

Mar 02, 2026 1

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