Buzzing sound

Andy Green andy at openmoko.com
Tue Aug 5 20:10:03 CEST 2008


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Somebody in the thread at some point said:
| Am Mi  6. August 2008 schrieb Andy Green:
|> Somebody in the thread at some point said:
|>
|> |> Just a note, on the "skelephone" that I use I replaced the GSM antenna
|> |> with a short length of patch wire, it still works (and some guy was
|> |> complaining normal GTA02 is for hardcore hackers).  I guess if I
|> |> shortened it further, it can force base station to tell me to use max
|> |> power all the time.  RF performance seems fine with $WIRE like 5cm
long.
|>
|> ...
|>
|> | the device can emit. So maybe this could be one of the possible
fixes for
|> | this issue (a very nasty one, that probably even won't yield the
desired
|> | results) to reduce gain by crippling the built-in antenna.
|>
|> Gah no not a suggested fix, just to remove one of the variables about
|> provoking the problem in as consistently bad a form as possible :-))
|
| Yup, but as I elaborated in my last posting, the resulting RF field
will stay
| at same level (to the point where MaxTXPower of amp limits further
| adjustment), so probably will the noise. :-/

I didn't really get to believe it is specifically radiated RF coupling
yet, it can still be RF conducted via PSU.  Just something to bear in mind.

- -Andy
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org

iEYEARECAAYFAkiYl3sACgkQOjLpvpq7dMoSrQCfVPLV7pC07/+A7JHGxttLNq3p
//MAnjWcATY6UIV5cnIylInbdx6X5UP/
=U+ND
-----END PGP SIGNATURE-----




More information about the support mailing list