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

Smart Speaker PCBA

As the core hardware of smart speakers, the PCBA (Printed Circuit Board Assembly) integrates multiple functional modules to realize voice interaction, wireless connection and high-quality audio output. It is a highly integrated system that faces the dual challenges of multi-system collaboration and

Mar 11, 2026 1

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PTFE Modification: Solving the Core Challenges of High-Frequency PCB Substrates

As an engineer who常年 deals with high-frequency and high-speed PCBs, I often jokingly refer to PTFE (Polytetrafluoroethylene, commonly known as Teflon) as the "academic elite of the materials world." Born with top-tier innate talent, it also comes with a host of "engineering challenges." While it is

Mar 11, 2026 1

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Comprehensive Troubleshooting for Sensor Signal Anomalies, Jumps, and Distortion

In various systems such as industrial automation, intelligent monitoring, and IoT devices, sensors are the core components for perceiving external physical quantities. The stability of their output signals directly determines the operational reliability of the entire system. Compared to obvious faul

Mar 10, 2026 1

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LoRa Communication PCBA

LoRa communication PCBA is a specialized printed circuit board assembly designed for long-range, low-power wireless communication applications, leveraging LoRa (Long Range) technology based on the Semtech SX127x or SX126x chipset. This PCBA solution integrates key components such as the LoRa transce

Mar 10, 2026 1

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Choosing the right Rogers substrate can double the value!

For the same Rogers PCB, why do some projects achieve peak performance and controllable costs, while others feel "expensive and wasteful"? The answer is simple: choose the wrong model, and even the highest quality substrate will undermine the cost-performance ratio; choose the right model, and the c

Mar 09, 2026 1

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Wi-Fi Module PCBA

The Wi-Fi Module PCBA is a core integrated circuit assembly designed for wireless local area network connectivity, enabling devices to access and transmit data over Wi-Fi protocols such as 802.11a/b/g/n/ac/ax. It integrates key components including a Wi-Fi chip, power management unit (PMU), RF front

Mar 07, 2026 1