Pcb inhibits reflection interference
The value of the matching resistance should be determined by the maximum value of the output drive current and the absorption current of the integrated circuit.
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High reliability PCB's 14 important characteristics
The chemical residue in the gold settling process can be left in the hole where the plug hole is not sufficient, causing problems such as weldability. Moreover, tin beads may be hidden in the hole, which may splash out during assembly or actual use, causi
The effect of heat on PCB and components on it
To prolong the life of devices and prevent failures, effective heat transfer management is very important. Overheating conditions on the board can not only speed up the failure mechanism, but also cause the device to become too hot to handle and in some c
PCB fault after applying three anti paint
There is no doubt that condensation will severely test the insulation resistance of the coating. There are many coating products that can withstand this kind of test, so you can avoid these problems by choosing the right materials at the beginning of the
Failure analysis of PCB solder failure
its melting point is much higher than that of the tin solder, which results in the reduction of the weldability of the surface of the welding pad, and the non-wetting of the welding pad and the solder climbing to the welding end of the device are easy to
Power integrity in PCB circuits
Power integrity directly affects the signal integrity of the final PCB board. Power supply integrity and signal integrity are closely related, and in many cases, the main cause of signal distortion is the power system.
PCB machining: NC milling positioning
The positioning of NC milling is to use the positioning pin to locate the printed board to be processed to the working table of the milling machine, so as to conveniently and accurately process the shape of the printed board.
The lightweight and miniaturization of PCBS comes from the increase in density
The PCB thermal cycle temperature is summarized in Table 1 below according to the five grades classified according to the different position of the vehicle.
The difference between positive and negative PCB circuit boards
Circuit board negative circuit or copper surface is transparent, positive circuit or copper surface is black
Automotive PCB printed circuit board Supply chain -- Symbiotic thinking collaborative supply chain innovation
With the continuous improvement of automobile safety, comfort and intelligence, PCB (printed circuit board) products are also facing the development of intelligent and green needs.
PCB hybrid laser drilling process
In commercial production, two laser technologies are available for PCB laser drilling. CO2 laser, UV laser. In order to meet the increasing demand for micropore productivity, many manufacturers have begun to introduce two-head laser drilling systems.
New energy intelligent vehicle pull PCB circuit board demand
the trend of automobile electrification and electronization is more and more obvious. As the infrastructure of electronic products, PCB manufacturing is becoming increasingly important in the automotive supply chain
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