- Check you CAD database.
- Test you custom PCB before BGA packing.
- Check every pin on the board.
- Consider if Virtex-4 is too old to run with your circuit.
Lees verder: BGA PCB-assemblage
#PCB-ontwerp
Lees verder: BGA PCB-assemblage
#PCB-ontwerp
I received the PCB design file from supplier. There are some teardrops, which I have seldom seen. Why are there teardrops on the PCB design?
Wat zou voor een ervaren persoon de gemiddelde snelheid zijn van het assembleren van componenten voor opbouwmontage op een PCB?? Ervan uitgaande dat ze een bureau hebben dat correct is ingesteld (pick and place station) and the PCB has solder paste already applied.
I have three through-hole PCBs that are missing front and back solder mask openings for two of the components. The solder mask (usually green) is covering the front and back solder pads. All other pads for all other parts are exposed. Is there a good way to remove the solder mask so that I can solder the components to the board?
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