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

PCBs with OSP Surface Finish

　　　　Printed Circuit Boards (PCBs) with Organic Solderability Preservatives (OSP) surface finish have gained significant popularity in the electronics manufacturing industry due to their unique properties and advantages. OSP is a thin, transparent organic coating applied to the copper surfaces of PCB

Jan 06, 2026 1

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Can the crystal oscillator be placed at the edge of the PCB board?

During the PCB design process, the placement of the crystal oscillator is a detail that is often overlooked yet critically important. Many may wonder: Is it acceptable to place the crystal oscillator near the edge of the PCB board? Next, we will delve into this issue through a practical case study,

Jan 06, 2026 1

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PCB Boards Compatible with Spray Painting Robots

Spray painting robots are extensively utilized in industries like automotive manufacturing, furniture production, and metal finishing, where consistent and high - quality coating is essential. The PCB boards compatible with spray painting robots are meticulously engineered to meet the unique demands

Jan 05, 2026 1

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How to select the number of channels for PCB stress testers

How to choose the number of channels for a PCB stress tester?The number of channels in a PCB stress tester determines the number of strain gauges it can monitor simultaneously. Different channel counts correspond to distinct testing scenarios. Making a reasonable choice regarding the number of chann

Jan 05, 2026 1

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Low-power Ultrasonic Power Supply PCB Board

With breakthroughs in high-frequency signal processing technology, the third-generation low-power ultrasonic power supply PCB has achieved a qualitative leap in circuit optimization. Engineers adopted a four-layer blind and buried via design, implementing three-dimensional isolation between power an

Jan 04, 2026 1

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High-Precision PCB Design Essential: Exploring the Principles and Layout Essentials of Four-Wire Kelvin Connection

In PCB design, the four-wire power interface combined with Kelvin connection (also known as four-terminal connection) is a core technique for achieving high-precision power supply or current/voltage measurement. Its primary purpose is to eliminate voltage errors caused by wire resistance and contact

Jan 03, 2026 1