[gta02-core] new ECN0035: Kill WLAN unused RF components

Rene Harder rehar at saweb.de
Mon Aug 31 23:09:41 CEST 2009

Álvaro Lopes wrote:
> Hi,
> Just added a new ECN for discussion:
> WLAN module has 3 unused components on RF path: R7801, C7802' and
> C7803'. R7801 is a 0R resistor, and the caps are not used.
> These components do interfere with RF trace impedance, causing
> attenuations and signal shifts.
> Remove these components from design, thus allowing for better
> signal reception and transmission.
I agree, I don't see any reason for a matching or filter network there. 
So if no one has a feasible explanation why we should keep them, I vote
in favor for a removal.

Btw, I found a small inconsistency to the original schematics the
package of C8004 and C8005 are supposed to be 0603.


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