In integrated circuit application design, after completing the project schematic design, the next step is to design the PCB layout.PCB design is a crucial step.The quality of the design results directly affects the overall functionality of the design.Therefore, a reasonable and efficient PCB Layout is a critical step in the successful debugging of chip circuit … Read more
When designing high-performance data acquisition systems, diligent engineers carefully selecthigh-precision ADCs and other components required for the analog front-end adjustment circuit. After several weeks of design work, they execute simulations and optimize the circuit schematic. To meet deadlines, designers quickly assemble the PCB layout and routing. A week later, the first prototype PCB is tested. … Read more
In the field of precision PCB design, engineers rely on a range of specialized tools to ensure the performance and reliability of circuit boards. Below is a list of essential measurement and testing tools for PCB design engineers: 1. Basic Electrical Characteristic Measurement Digital Multimeter: Measures basic parameters such as voltage, current, and resistance with … Read more
Author | Danner Dan During the process of performing signal integrity (SI) and power integrity (PI) simulations in CST PCB Studio, it may be necessary to modify the imported PCB. Modifications to signal traces, nets, stackups, vias, and padstacks can be made using the CST PCB Studio’s Edit ribbon, as shown in the figure below. … Read more
In the development of high-speed hardware products, PCB materials serve as the actual carrier of hardware design. Particularly in high-speed product design, the performance of the material often determines the deviation between the actual maximum transmission rate and the theoretical maximum transmission rate. In hardware product design, issues such as “PCB material downgrade leading to … Read more
The ground plane and power plane are large conductive areas in PCB design with various purposes. The ground plane provides a common reference point for electrical signals and serves as a return path for current. The power plane transmits power voltage to various components on the circuit board, helping to evenly distribute power across the … Read more
In the process of PCB layout and routing, it is crucial to follow certain design guidelines to ensure the stability and reliability of the circuit. Below are 20 essential PCB layout design guidelines that we hope will be helpful to everyone. 1. Isolation of Strong and Weak Currents, High and Low Voltages, and High and … Read more
Common “Difficulties” in the Field One of the most troublesome issues during device debugging: RS-485 communication is unstable, with intermittent data transmission. The program logic is fine, the cable connections are correct, and there are no address conflicts, yet communication timeouts, data corruption, and sporadic failures still occur. Changing cables, adjusting baud rates, and checking … Read more
Definition of Impedance In a circuit with resistance, inductance, and capacitance, the hindrance to the current in the circuit is called impedance. Impedance is commonly represented by Z, which is a complex number. The real part is called resistance, and the imaginary part is called reactance. The hindrance caused by capacitance in the circuit to … Read more
The following is a comprehensive technical solution for hardware engineers to achieve Signal Integrity (SI), Power Integrity (PI), and EMC protection in PCB design, presented in a combination of tables and text: 1. Signal Integrity (SI) Design Specifications 1. Layout and Routing Optimization Impedance Matching: Ensure that the characteristic impedance of transmission lines (such as … Read more