Methods of eliminating crosstalk in PCB design
The size of inductive crosstalk depends on the proximity of two loops, the size of the loop area, and the impedance of the load affected.
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Research on high frequency PCB anti-interference sharing
In the actual study, we can conclude that there are four main interference, including power supply noise, transmission line interference, coupling and electromagnetic interference (EMI). Through analyzing various interference problems of high frequency PC
What is the function of PCB board printed circuit surface plating process
the current motherboard, memory and graphics card and other equipment "gold finger" is almost all made of tin material, only part of the high performance server/workstation accessories contact point will continue to use gold plating, the price i...
Hd understand the basic architecture of tight HDI board PCB
With the introduction of surface mount technology, automatic detection technology of circuit board is applied, and the packaging density of circuit board increases rapidly.
Prevent PCB will expire, and the disposal method after expiration
depending on the thickness of the gold layer, if the thickness is thin, the nickel layer may appear in the gold layer due to diffusion and oxidation, affecting the reliability, not inadvertently.
PCB "over hole cover oil" and "over hole open window", stupid can't distinguish?
Many customers use pad(plug-in holes) to represent conductive holes, thus causing your conductive holes to open the window. Then please check your document design! At this point in time,
Why should the PCB board be blocked?
This process can ensure that the oil cover through the hole is good, the plug hole is smooth, the wet film color is consistent, the hot air leveling can ensure that the through hole is not tin, no tin beads in the hole, but it is easy to cause the ink pad
PCB copper foil supply after chip shortage
A persistent semiconductor shortage is rapidly snowballing into a full-blown component shortage, underscoring the fragility of the current supply chain.
There are several ways to eliminate crosstalk in PCB design coupling
High speed devices are particularly sensitive to this, and will thus receive high speed false signals, while low speed devices will ignore such false signals.
Research on Anti-interference of high frequency PCB
The reflection of the signal back to the signal source will increase the system noise, making it more difficult for the receiver to distinguish the noise from the signal,
PCB hole design tips to share
In particular, note that the bypass capacitor needs to pass through two holes when connecting the power layer to the formation, so that the parasitic inductance of the holes will be multiplied.
Eliminate RF current in PCB
When we combine the forward - clock - oriented field and the reverse - clock - oriented field, the effect of elimination can be produced.
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