Top 10 DFM Issues that Affecting PCB Manufacturing
PCB designers have to meet various requirements and expectations. The areas they consider are electrical, functional, and mechanical. They also need to deliver
The Importance of PCB Fabrication Drawing
PCB Fabrication Drawing is a specific document present the critical information related PCB manufacturing. Generally, it includes some basic fabrication notes (
Printed Circuit Board thermal dissipation solutions
Today, with the increasing precision and powerful functionality of electronic devices, the thermal management is becoming more and more important, which normal
Make a best PCB design for SMT assembly
A good PCB assembly quality determined by multiple-factors, PCB layout and design is a key factor of all of them. This article present some critical factors tha
The PCB surface finishing difference between HAL and ENIG
HAL (also called Hot air level) and immersion gold (ENIG) are common surface treatment finishing used for most printed circuit boards manufacturing...
What is CTI of the PCB base material?
CTI (Comparative Tracking Index), like Tg value, which is one critical property of printed circuit board materials, it is necessary to select a specific PCB laminate material when you start a design a circuit board with special application.
The Difference between IPC-6012, IPC-A-600, and IPC-A-610
IPC-A-600: Acceptance criteria for various types of printed circuit boards. IPC-6012 class 1, 2, 3, manufacturing and performance specifications for rigid printed circuit boards. IPC-A-610 is the criteria guiding the Acceptability of Electronics Assemblies.
What is PCB Trace Impedance and How to Calculate it?
PCB trace impedance is the sum of all the resistance and reactance components of an electrical signal path. An ideal transmission line must have a characteristic impedance that matches both the transmitter and receiver of the intended signal. If the characteristic impedance of the matched transmission line is faithfully maintained, then the full signal sent by the transmitter is seen by the receiver at the end of the trace.
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