Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2150A3800009B; Sat, 3 Dec 2011 08:31:53 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RWpfJ-0008O8-Jb for rs_out_1@blacksheep.org; Sat, 03 Dec 2011 13:30:05 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RWpfJ-0008Nz-1M for rsgb_lf_group@blacksheep.org; Sat, 03 Dec 2011 13:30:05 +0000 Received: from nina.ucs.mun.ca ([134.153.232.76]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RWpfF-0004qf-KZ for rsgb_lf_group@blacksheep.org; Sat, 03 Dec 2011 13:30:04 +0000 Received: from plato.ucs.mun.ca (plato.ucs.mun.ca [134.153.232.153]) by nina.ucs.mun.ca (8.13.1/8.13.1) with ESMTP id pB3DTrPC008689 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 3 Dec 2011 09:59:54 -0330 Date: Sat, 3 Dec 2011 09:59:53 -0330 (NST) From: jcraig@mun.ca X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-Reply-To: Message-ID: References: <80A163C9035C44FBA23C7501118A6FDF@JimPC> MIME-Version: 1.0 X-MUN-Disclaimer: http://www.mun.ca/cc/policies/elect_communications_disclaimer_2011.php X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: Re: LF: 16 bit vs 24 bit ADC? Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:387064320:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60d94eda24c90e4d X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Andy, A silly question from someone struggling to understand, but the ^2 below, 20log... and V^2/R (for ex) are all related ? We're looking at voltages and comparing powers? > noise, it will increase the overall in the ratio > (1 + 16^2) / 16^2 = 257 / 256 or by about 0.017dB. > Joe vo1na This electronic communication is governed by the terms and conditions at http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2011.php