X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 19 Nov 2010 08:02:45 -0500 Message-ID: X-Original-Return-Path: Received: from elasmtp-kukur.atl.sa.earthlink.net ([209.86.89.65] verified) by logan.com (CommuniGate Pro SMTP 5.3.10) with ESMTP id 4584412 for lml@lancaironline.net; Thu, 18 Nov 2010 21:56:16 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.65; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=E05s4hcJslOpgl9sRMKoQ6yXyM2ebd7CHDrYo1kQ794/ru/ZiLqu69xl49OAv/QZ; h=Received:Subject:Mime-Version:Content-Type:From:In-Reply-To:Date:Cc:Message-Id:References:To:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [216.57.118.85] (helo=[192.168.1.103]) by elasmtp-kukur.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1PJH8X-0005fd-Bu; Thu, 18 Nov 2010 21:55:41 -0500 Subject: Re: [LML] Re: iPad in the cockpit Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: multipart/alternative; boundary=Apple-Mail-54-443009828 From: Colyn Case In-Reply-To: <1A35F68F-FDB9-4E7C-9762-2E9152B6513B@earthlink.net> X-Original-Date: Thu, 18 Nov 2010 21:55:38 -0500 X-Original-Cc: "Lancair Mailing List" X-Original-Message-Id: References: <1A35F68F-FDB9-4E7C-9762-2E9152B6513B@earthlink.net> X-Original-To: Colyn Case X-Mailer: Apple Mail (2.1081) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da940290064cf46f0dd39ad13b8c39e025175350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 216.57.118.85 --Apple-Mail-54-443009828 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii look here: http://www.ifixit.com/Teardown/iPad-3G-Teardown/2374/2 and go down to step 15 which shows the ipad 3g communication board = including a broadcom bcm4750 a-gps chip look here: http://www.gmat.unsw.edu.au/snap/publications/zhangj_etal2010a.pdf for more than you wanted to know about how a-gps chips work On Nov 18, 2010, at 8:49 PM, Colyn Case wrote: > whoops. that looks like an iphone. stand by.... >=20 > On Nov 18, 2010, at 8:45 PM, Colyn Case wrote: >=20 >> = http://www.forum-bec.com/f245/apple-iphone-3g-3gs-ipad-parts-datasheets-co= mponent-schematics-diagram-info-21859/ >>=20 >> Observe Infineon PMB2525 lower left. >>=20 >> Colyn >>=20 >> On Nov 18, 2010, at 7:52 PM, H & J Johnson wrote: >>=20 >>>=20 >>>=20 >>>=20 >>> Bob have you tried the GPS functionality w/ the 3G sim card removed = and being disconnected to wi-fi or other 'GPS' devices? [ie; = stand-alone, not connected to any network] >>>=20 >>=20 >=20 --Apple-Mail-54-443009828 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii look = here:

= and go down to step 15 which shows the ipad 3g communication board = including a broadcom bcm4750 a-gps chip

look = here:
http://www.gmat.unsw.edu.au/snap/publications/zhangj_etal2010a.pdf

for more than you wanted to know about how a-gps = chips work


On Nov 18, 2010, at = 8:49 PM, Colyn Case wrote:

whoops. that looks like an = iphone.  stand by....

On Nov 18, 2010, at 8:45 = PM, Colyn Case wrote:

http://www.forum-bec.com/f= 245/apple-iphone-3g-3gs-ipad-parts-datasheets-component-schematics-diagram= -info-21859/

Observe Infineon PMB2525 lower = left.

Colyn

On Nov 18, = 2010, at 7:52 PM, H & J Johnson wrote:




Bob have you tried the GPS = functionality w/ the 3G sim card removed and being disconnected to = wi-fi or other 'GPS' devices? [ie; stand-alone,  not connected = to any = network]



= --Apple-Mail-54-443009828--