Thread: Neo900 - finally a successor of N900
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joerg_rw is offline joerg_rw
2013-10-20 , 15:07
Posts: 2,222 | Thanked: 12,651 times | Joined on Mar 2010 @ SOL 3
#871
Originally Posted by pichlo View Post
The whole project started as, "N900 with more RAM and faster CPU". Would getting back to that without all the extra features not get us back to the drop-in replacement goal?
No, since the limiting factors are the contiguous real estate needed by modem, and the "headroom" needed by modem. Even if we go for micro-SIM to make enough room between battery connector and SIM-tray for the footprint of the modem, we still miss 0.5mm or more on usable height till we hit the battery. When we "dig a hole" into the PCB to bury the modem in it, then we get into trouble with heatsink and trace layout since we can't do 8 layer on the remaining PCB thickness. Please believe me when I say we try everything to NOT have to do this extension, it's not a question of a few (per)cent more expense on components or finding place for that fancy lazor-razor that we maybe want to add. If we do this, then because we have to, not because we don't care.

cheers
jOERG
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