Distributed Multi-Channel Wireless Extraction Module

Since the launch of our high-speed wireless extraction module in 2023, this solution has been imitated and adopted by many competitors. Last year, we developed a multi-channel high-speed wireless extraction module (4 channels). Due to its size and power consumption being relatively larger than that of a single channel, it is only suitable for centralized … Read more

Octal SPI Interface Protocol

Octal SPI Interface Protocol

The Octal interface protocol typically refers to Octal SPI (Serial Peripheral Interface), which is an extension of the SPI standard used for high-speed data transmission between microcontrollers and external devices. Below is a detailed introduction: Basic Concept: Octal SPI, also known as “8-line serial interface” or “8-bit SPI,” uses eight data lines for parallel data … Read more

Differences Between CDR and DSP Solutions in Optical Modules

Differences Between CDR and DSP Solutions in Optical Modules

In daily work, many people often ask about the difference between CDR solutions and DSP solutions, especially in the context of QSFP56 200G SR4 and QSFP-DD 400G SR8 optical modules and their corresponding AOC series products. This article will detail the differences in functionality, principles, technical characteristics, application scenarios, and implementation methods of the two … Read more

Innovative Trends and Future Prospects of SD Card Connectors

Innovative Trends and Future Prospects of SD Card Connectors

With the rapid development of digital devices, SD card connectors, serving as a bridge between storage modules and motherboards, are undergoing unprecedented technological innovations. From smartphones to automotive electronics and industrial equipment, the design and application of SD card connectors are evolving rapidly. This article will explore the latest innovative directions and future prospects of … Read more

STM32F4 Core Board High-Speed Transmission Testing Notes

STM32F4 Core Board High-Speed Transmission Testing Notes

1. Determine the Plan and Purpose Hello everyone, today the miniaturized development board has arrived, and we are starting the arrival inspection task. The requirements are as follows: [Notes] STM32F4 + FT232H High-Speed Acquisition Development Board Design Draft Objective: STM32F4 Development Board 01. High-speed transmission testing, and reliable verification; 02. ADS1220 driver verification and debugging; … Read more

1.6T Optical Modules: DSP Utilizes 3nm Technology

1.6T Optical Modules: DSP Utilizes 3nm Technology

The demand for high-speed interconnects in data centers and AI applications is increasing, leading to the replacement of 800Gbps optical modules with 1.6Tbps optical modules in the latest data centers. Recently, Zhongji Xuchuang announced that its 1.6Tbps optical module products have passed customer certification and are expected to gradually ramp up production starting in 2025.NVIDIA … Read more

The Importance of PCB in Optical Modules

The Importance of PCB in Optical Modules

PCB Network News Optical modules have gained prominence in high-speed communication due to their ability to convert optical signals. The design of their PCB mainboard must meet special requirements such as high-speed transmission, heat dissipation, mounting, and hot-swapping, making it different from ordinary PCBs. The PCB of optical modules is a key component for achieving … Read more

BSP RZ25T Soft Seat Coach Overview

BSP RZ25T Soft Seat Coach Overview

May 2012. BSP-RZ25T soft seat coach. (Photo / Electric Coach K9017) The BSP-RZ25T soft seat coach is a high-speed railway coach produced by the joint venture between Sifang and Bombardier (BSP) in 2002, with a structural speed of 200 km/h and an operational speed of 160 km/h. Development History In 1998, Bombardier Transportation and Sifang … Read more

ACC Active Copper Cable: Version 2.0 Overview

ACC Active Copper Cable: Version 2.0 Overview

Click the Blue Text to Follow Us Introduction As data center transmission rates gradually approach 800G and 1.6T, the losses of passive direct-attach copper (DAC) cables increase, and the interconnection lengths fail to meet the corresponding demands. To address the cost issue of extending short-distance device interconnections, the ACC Active Copper Cable and AEC Active … Read more