Changeset 5662


Ignore:
Timestamp:
09/24/09 15:10:23 (4 years ago)
Author:
werner
Message:
  • added description of why we should and why we can move BT
File:
1 edited

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  • trunk/gta02-core/docs/ecn/ecn0017.txt

    r5196 r5662  
    22 
    33 
    4 To do: 
    5 - explain FPC issues 
    6 - good old times of GTA01Bv2: 
    7   http://people.openmoko.org/werner/retro/gta01-bt.jpg 
     4In all GTA01 devices since GTA01Bv3 and all GTA02 devices, the Bluetooth 
     5module resided on an FPC mounted on the main shield. This complicates 
     6assembly and introduces production risk. Furthermore, the Bluetooth FPCs 
     7had at least at some point in time a low yield, further complicating 
     8production. 
     9 
     10With the removal of the second acceleration sensor and the ability to 
     11relocate (remove ?) the backup battery, we now have room for placing the 
     12Bluetooth circuit on the main PCB, like it was done in GTA01Bv2. 
     13 
     14http://people.openmoko.org/werner/retro/gta01-bt.jpg 
     15 
     16 
     17Author: Werner Almesberger <werner@openmoko.org> 
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