Do the FPC, the several efficient methods of circuit analysis to be remembered A lot of methods to analyze circuit, such as the superposition theorem, branch analysis and mesh analysis, node analysis method, thevenin and NORTON's theorem. According to the specific circuit and related...

DDR4 reference signal power supply layer, impedance will there be affected? Since the laboratory instruments, redpower on the principle of impedance and the impedance test suddenly came in, think I have the chance to personally test the line impedance and their processing of impedance is the...

FPC electroplating process knowledge, learn more from it! 1,flexible PCB FPC FPC electroplating before processing after cladding coating exposed surface of the copper conductor may have adhesive or ink pollution, also there will be generated due to the high temperature process of oxidation,...

The difference between gilding and sinking gold of PCB Then the two "golden board" to circuit board can cause what influence? Let me explain for everybody, help you concept thoroughly clear. What is gilding plated What we mean by the entire board gold-plated, gold-plated generally...

Sometimes a single sentence can improve the channel loss of high-speed signals Give you a scenario to think about : when the PCB design is completed and the plate lamination is determined, it has entered the state of launching the board. At this time, the simulation evaluation finds that the...

Quickly identify PCB green product identification Preface On 13 February 2003, the Official Gazette of EU 137 published the Waste Electrical and Electronic Equipment Directive (WEEE 2002/96 /EC) and the Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and...

Electricity causes many semiconductor manufacturers cut production, chip will rise up Recently, due to the power supply remains tense, many provinces and regions, such as Guangdong, Zhejiang, Jiangsu to electricity energy to cease, and part of the upstream raw materials or components are...

PCB plating and dry zedoary difference Heavy gold plate with gold plated board is used often by PCB process, what is the difference between the them Heavy gold plate with gold plated board is used often by PCB process, many readers are unable to distinguish between different of the two, there...

It was not until the PCBA assembly that the importance of packaging design silkscreen labeling was realized Longlong designs PCB very hard, he has a beautiful girlfriend named Lily. But the mother-in-law does not agree, but her daughter will not give up, When her mother's word was nothing,...

59GHZ oscilloscope, do you want to test it? Since 1897, when a German physicist named Braun invented the first cathode-ray tube oscilloscope, there have been only two kinds of electronic siege lions left. One is those who have always believed in the importance of oscilloscopes, and the other is...