This article introduces an overview of semiconductor immunity standards and testing methods. Types of Semiconductor Immunity Standards Semiconductor immunity standards are divided into two types based on the type of noise they address: one is for “Continuous Wave” standards, and the other is for “Impulse Wave” standards. The immunity standard for continuous waves is the … Read more
A collection of quick questions and answers about PCB knowledge, your PCB knowledge base! Designing printed circuit boards (PCBs) faces multiple challenges such as size constraints, structural integration, thermal management, and power efficiency. On top of that, electromagnetic compatibility (EMC) issues present additional obstacles for the market launch of new products, further complicating the design … Read more
Overview of EMC Purpose of EMC Design: To ensure that the internal circuits of the product do not interfere with each other, achieving the intended functionality; The electromagnetic interference generated by the product is below specific limit values; The product has a certain resistance to external electromagnetic interference. Principles of EMC Design: > Suppress interference … Read more
The Internet of Things (IoT) networks are widely applied, and the number of application scenarios is continuously increasing. Whether you are a traditional electronic product designer or a global furniture or clothing manufacturer, this network will have a significant impact on the entire industry, bringing opportunities for everyone. In Taiwan, the local original equipment manufacturers … Read more
WeChat Official Account:Electromagnetic Compatibility HomeIntroduction It should be noted that this summary only provides some basic conclusions. Specific calculations for trace lengths of frequency signals, harmonic frequencies to consider, wavelength, PCB-level shielding, design of shielding cavities, size and number of shielding apertures, handling of incoming and outgoing wires, calculations for cutoff waveguide diameters and lengths, … Read more
Data Input Stage 1. Check if the received data in the process is complete (including: schematic, *.brd file, bill of materials, PCB design specifications, and PCB design or modification requirements, standardization requirements, process design specification documents). 2. Confirm that the PCB template is the latest version. 3. Verify that the positioning of components in the … Read more
Overview of EMC Purpose of EMC Design: To ensure that the internal circuits of the product do not interfere with each other, achieving the intended functionality; The electromagnetic interference generated by the product is below specific limit values; The product has a certain resistance to external electromagnetic interference. Principles of EMC Design: > Suppress interference … Read more
Introduction Recently, I shared the PCBA of Bosch’s second-generation water pump, which seemed to be quite popular. Interested friends can click the link below to go directly to it.Comparison of New and Old Generations of Bosch Automotive Electronic Water Pump PCB I happen to have a blower board that I obtained from the second-hand market. … Read more
The CE certification for Bluetooth mice is a mandatory compliance requirement for entering the EU market, which must comply with the EU Radio Equipment Directive (RED) and the Electromagnetic Compatibility Directive (EMC), two core regulations that demonstrate the product’s compliance with EU standards in wireless performance and electromagnetic interference control. 1. Core Basis for CE … Read more
Electromagnetic compatibility (EMC) is a key indicator for measuring electronic products. The layout of the PCB and the arrangement of components within the product serve as both sources of interference and targets for interference. Reducing and mitigating these electromagnetic interferences is crucial for enhancing the EMC of products. This article discusses the design aspects of … Read more