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.
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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.
Cause and influence of emi in pcb
The above examples can help us understand Maxwell equations and PCB routing, and they are illustrated by very simple mathematical formulas.
The cause of electromagnetic interference in PCB and the technique of eliminating interference
In PCB, EMI can be produced for many reasons, such as: RF current, common mode level, ground loop, impedance mismatch, magnetic flux
Why is the common PCB board thickness 1.6mm
as PCB substrate epoxy resin (see the column of PCB substrate resin chapter), PCB substrate reinforcement materials, copper foil and other manufacturing technologies have not realized commercial production.
PCB board, the rules are very particular
Otherwise, you may be forced to make modifications and redesign your PCB stack structure.
Exposed pad on PCB
In addition, with the increase of width, PCB current-carrying capacity does not increase strictly in line with the linear increase
Cause analysis of PCB board defects
This will break the solder joints, bend the shape of the board, or it may cause the copper thread on the board to break.
How to do the precision of PCB circuit board "extreme"?
This technology has become a necessary means of detection in fine wire production, and is being rapidly popularized, applied and developed.
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