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TIP #028: When you are looking for a component, you may want to start your search at a supplier website
Why? It compares components between more manufacturers and
shows a lot of important information such: price, available stock or minimum order quantity
Why? It may be difficult to route the interface and do length matching. You may need space between the memory chips and between CPU & Memory chip.
Why? Big gap / clearance between tracks lower influence between them (e.g. crosstalk)
TIP #024: Place Reference point (the x=0,y=0 point) of a footprint for SMT components to the middle of the component or consider to place it into center of gravity.
Why? This reference point is very often used in Pick & Place output files. This means, when doing assembling, machine will pick up the component at this 0,0 position.
Why? You need to know how to do it
Why? So the ESD pulse doesn’t travel through your board and it discharges immediately behind the connector
TIP #019: Always be sure that the pin numbers in schematic are pointing to the right pins in footprint
Why? Because it’s one of the silly mistakes which you can make while creating a new component. It is often very hard to find and fix (many times, board has to be redesigned).
– you need space for mating connector
– you may use boxed and unboxed version of header
Why? Many times, there may be something wrong from assembling process or you may damage some boards during testing.