Why PCB Design Generally Controls Impedance at 50 Ohms

Why PCB Design Generally Controls Impedance at 50 Ohms

During the PCB design process, before routing, we generally stack the layers of the project we are designing, calculating the impedance based on thickness, substrate, number of layers, and other information. After the calculations, we typically obtain the content shown in the figure below. From the above figure, it can be seen that the single-ended … Read more

Optimization Parameters: Characterization of Piezoelectric Material Parameters Using MATLAB Particle Swarm Optimization (PSO) for Impedance Analysis【Includes MATLAB Source Code】

Optimization Parameters: Characterization of Piezoelectric Material Parameters Using MATLAB Particle Swarm Optimization (PSO) for Impedance Analysis【Includes MATLAB Source Code】

Click the blue text above to follow us 🔊 Author Introduction: 985 Graduate, Research and Developmenter in the MATLAB Field; 🚅座右铭:行百里者半九十。 ✅ Research Scope: Complete Code, Paper Reproduction, Program Customization, Journal Writing, Research Collaboration 🏆 Code Acquisition Method 1: Method to Obtain MATLAB Poseidon Code 🏆 Code Acquisition Method 2: For more MATLAB optimization simulation … Read more

Essential Guide for PCB Engineers: Mastering Impedance Calculation for Signal Integrity

Essential Guide for PCB Engineers: Mastering Impedance Calculation for Signal Integrity

In the field of PCB design, impedance is the key factor determining whether signals can be transmitted stably. Many engineers have encountered issues such as signal reflection and crosstalk due to neglecting impedance matching, leading to repeated debugging of products. In fact, as long as you grasp the core logic of impedance calculation, you can … Read more

Design Issues of FPGA Filtering Capacitors

Design Issues of FPGA Filtering Capacitors

1. Introduction It is common to encounter questions about how to place the capacitors for FPGA and how many to use. Generally, this is based on the development board or reference circuits, without in-depth consideration. 2. Design Principles This article estimates the size and quantity of power filtering capacitors based on the target impedance method. … Read more

The Application of AI in Chip Verification: ChipAgents is Reshaping Chip Validation

Do not worry about the tedious tasks, Do not lament the long nights of debugging. Introduction: Hello to all the verification friends working on the front lines! What do we fear the most in our field? When the specifications change, the RTL and verification environment must be rebuilt from scratch; After running regression all night, … Read more

The Indispensable “Smart Assistant” in Chip Design: A Comprehensive Analysis of EDA Technology from Basics to Trends

Did you know? The high-end chips that can integrate billions of transistors rely entirely on EDA (Electronic Design Automation) technology to support them—without EDA tools, designers would take decades to manually draw layouts, while using EDA can complete the task in just a few days. This overview of integrated circuit EDA design explains the “past … Read more

Discussing the Differences Between Chip-Level EDA and Board-Level (PCB) EDA

EDA is an important tool for the development of the electronics industry, spanning the entire design process from chips to end products.Chip-level EDA and board-level (PCB) EDA are two important branches of electronic design automation (EDA). Today, we will discuss the differences between the two in terms of design objects, core tasks, and application stages. … Read more

Analysis of New Kailai’s Domestic Electronic Engineering EDA (Schematic and PCB) Technology (Including Related Industry Chain Companies)

The latest release of domestic electronic engineering EDA software by Qiyunfang, a subsidiary of New Kailai, marks a significant breakthrough in China’s path towards the independence of high-end electronic design automation tools. The table below provides a quick overview of the core features of this software. Feature Dimension Details Software Name Qiyunfang Electronic Engineering EDA … Read more

Overview of Semiconductor Manufacturing

1. Wafer Fabrication Plants 1.1. Advanced Processes Domestic: SMIC International: TSMC (Taiwan), Samsung (South Korea), Rapidus (Japan), Intel (USA) The gap is significant (approximately 2 generations, with SMIC achieving 7nm mass production through multiple polishing): TSMC – 3nm/5nm/7nm account for over 70% of revenue, with 2nm risk production starting this year. 1.2. Mature Processes Domestic: … Read more

How AI is Disrupting Chip Design

How AI is Disrupting Chip Design

This article is compiled by Semiconductor Industry Review (ID: ICVIEWS) from semiengineering.While everyone seems to agree that artificial intelligence will disrupt semiconductor design and EDA tools, no one has proposed what the disrupted process will actually look like.In recent years, artificial intelligence (AI) and machine learning (ML) have made breakthroughs in many application areas. In … Read more