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PCBHow to Use Allegro to Design Multi-layer PCBs?
The pcb multi-layer board is a special kind of printed board. Its existence "location" is generally special. For example, there will be pcb multi-layer board in the circuit board. This kind of multi-...
2019-01-29 16:14:08Group Threads: 286 | Group Member: 188
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PCBImpedance Matching in High Speed PCB Design
The transmission at this time does not cause reflection, which means that all energy is absorbed by the load. Otherwise, there is energy loss in the transmission. In high-speed PCB design, the matchin...
2019-01-29 15:12:52Group Threads: 286 | Group Member: 188
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PCBBrief Talk About Heat Dissipation Of Aluminum PCB and Its Design Method
In order to solve the heat dissipation problem, aluminum PCB and some high-power IC are widely used in LED trace design. Aluminum PCB consists of copper layer, thermally conductive dielectric layer an...
2019-01-29 11:00:41Group Threads: 286 | Group Member: 188
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PCBPCB Material Classification and Properties
The classification of printed circuit boards for communication products, material selection, technical development direction, design and processing technical specifications, can be used by printed cir...
2019-01-28 17:14:12Group Threads: 436 | Group Member: 276
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PCBPCB Board Warpage Reasons and Treatment
Printed Circuit Board Warping And Leveling Method 1. Flatten Warped Plate in PCB Process In the PCB process, the plate with a relatively large warpage is picked out and leveled by a roll-type level...
2019-01-28 14:27:11Group Threads: 436 | Group Member: 276
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PCBSome PCB Layout Experience
For electronic products, the printed circuit board design is a design process that must be passed from electrical schematic to a specific product. The rationality of its design is closely related to p...
2019-01-25 14:02:25Group Threads: 110 | Group Member: 97
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Electronic ComponentsResearch on Recycling Process of Printed Circuit Board
According to the report of the United Nations Environment Program, the annual global production of electronic equipment waste amounts to 20 to 50 million tons, with an annual growth rate of 3% to 5%. ...
2019-01-24 17:17:36Group Threads: 23 | Group Member: 769
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PCB AssemblyApplication of PCB Surface Welding Resistance Layer
The solder resistance film of printed circuit board is a permanent protective layer. It not only has the function of solder resistance, protection, insulation resistance and so on, but also has a grea...
2019-01-23 17:57:15Group Threads: 219 | Group Member: 191
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PCBComprehensive Guide to X-ray Inspection
With the development of new electronic devices, components are getting smaller and smaller, and the demand is increasing. Not surprisingly, miniaturization and ever-increasing power and cooling requir...
2019-01-23 16:43:38Group Threads: 40 | Group Member: 47
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PCBHow to Set Appropraite Hole Size During PCB Design
Preparation for PCB Design 1. Accurate schematic diagram. Includes complete schematic and netlist, formal BOM with component encoding. The PCB package of all devices in the schema...
2019-01-23 16:01:25Group Threads: 286 | Group Member: 188
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PCBThe Impedance and Wastage of The PCB, Which Are Easily Overlooked
The impedance and loss of the PCB is critical to the transmission of high speed signals, involving a range of factors as previously described. In order to analyze such a complex transmission channel, ...
2019-01-19 17:29:20Group Threads: 436 | Group Member: 276
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PCBPreliminary Analysis of Impedance Control of PCB
Without impedance control, considerable signal reflections and signal distortions are caused, resulting in design failure. Common signals, such as PCI bus, PCI-E bus, USB, Ethernet, DDR memory, LVDS s...
2019-01-17 14:11:47Group Threads: 77 | Group Member: 49
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Electronic ComponentsElectroplated Nickel Process for PCB Printed Circuit Boards
1. Function and characteristics PCB (which is the abbreviation of Printed Circuie Board printed circuit board in English) uses nickel plating as the substrate plating of precious metal ...
2019-01-17 13:54:45Group Threads: 23 | Group Member: 769
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PCBDesign RF Board
Successful RF design must pay careful attention to every step and every detail of the entire design process, which means thorough and careful planning must be carried out at the beginning of the desig...
2019-01-15 18:51:31Group Threads: 286 | Group Member: 188
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PCBRequirements for PCB Design
1. Correct This is the most basic and important requirement of PCB design, to accurately realize the connection relationship of electrical schematic diagram, and to avoid the two simple a...
2019-01-15 18:42:29Group Threads: 286 | Group Member: 188
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PCBHow to Clean PCBs after Surface Mount Soldering
Whenever electronics products go through soldering, flux or other types of contaminants are always left on the surface of PCBs (Printed Circuit Boards) even if halogen-free no cleaning flux is applied...
2019-01-15 18:33:09Group Threads: 18 | Group Member: 22
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Electronic ComponentsSMD Component Welding
With the advancement of technology and the continuous development of the electronics industry, more and more boards are now using patch components. SMD components are increasingly popular with manufac...
2019-01-15 16:58:56Group Threads: 12 | Group Member: 12
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PCBComparative Analysis of Simulation Software and PCB Design Software
There are a lot of eda software circulating in the market, and the advantages and disadvantages are different. We only talk about the most widely used ones. Protel Undoub...
2019-01-15 08:42:21Group Threads: 286 | Group Member: 188
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Electronic ComponentsHow to Panelized Different PCB Boards on AD Software
The panel board is to combine multiple separate boards (boards that are not connected to each other) into one board for casting. In this case, a variety of boards can be produced at one time, and the ...
2019-01-14 19:10:14Group Threads: 11 | Group Member: 19
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PCB AssemblySMT Quality Problems and Solutions Summary
Common Defects and Solutions in the Dispensing Process Drawing/tailing Drawing/tailing is a common defect in dispensing. The causes are usually too small, the dispensing ...
2019-01-12 11:32:02Group Threads: 39 | Group Member: 42
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PCB5 Points Which Could Not Be Ignored in PCB Design
As the power engineer, the most important thing in the power supply design is the PCB design. So what are the points to pay attention to? Now we brings benefits to everyone, totaling the experience of...
2019-01-10 16:59:31Group Threads: 286 | Group Member: 188
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PCB AssemblyPCB Screen Printing Stencil Making Process
The PCB screen printing stencil manufacturing process can be roughly divided into two aspects: pulling net and net drying. There are a lot of small operations in these two aspects. Let's take a look a...
2019-01-10 16:42:14Group Threads: 39 | Group Member: 42
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PCBPCB Silk Screen Specification
PCB silk screen technology is a lot of specifications, not just can be done. These specifications have prompted the development of PCB screen printing technology. Let's take a look at what are the spe...
2019-01-10 16:27:34Group Threads: 286 | Group Member: 188
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PCBHow ALLPCB Produce A Printed Circuit Board
As a carrier of all electronic equipment, PCB is widely used in every electronic devices. They can be easily found in computers, from main board, video card, sound card to memory board, CPU board to h...
2019-01-05 09:23:16Group Threads: 436 | Group Member: 276
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PCBTalk Something about Multilayer PCB
Days ago, one of our customer sent us an e-mail and asked something about multilayer PCB and many customers will send us e-mail in order to get the stack-up of our multilayer PCB. And we upload this p...
2019-01-04 16:02:11Group Threads: 5 | Group Member: 10
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PCBDiscussion on Common Problems in PCB Design
1.How do you understand the concept of broken copper and floating copper? From the perspective of PCB processing, copper foil with an area smaller than a certain unit area is generally called broken...
2019-01-03 16:04:20Group Threads: 286 | Group Member: 188
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PCBOther than Isometric Drawing ,You Get to Know More
It is well learnt that isometric drawing is widely required for high-speed boards, and it turns out quite strange if the drawing is not applied during the whole design process. We have introduced some...
2019-01-03 14:52:53Group Threads: 110 | Group Member: 97
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PCBAbout PCB High Frequency Circuit Board Wiring Skills
With the rapid development of electronic technology and the wide application of wireless communication technology in various fields, high frequency, high speed and high density have gradually become o...
2019-01-03 09:22:49Group Threads: 286 | Group Member: 188
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PCBHow to Generate AD Files Into Gerber
Altium Designer is a PCB and electronic design automation software package for printed circuit boards, this is widely used and very popular for designers. While if we need to fabricate PCBs out , the ...
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PCBWhat Do You Know About HDI Boards
HDI board is a kind of circuit board with relatively high density distribution using micro-blind embedding technology. HDI plate has inner line and outer line, which can be connected internally by dri...
