Article View: sci.electronics.design
Article #381Re: Dr Howard Johnson, this weeks guest on The Amp Hour
From: Spehro Pefhany
Date: Wed, 11 Jan 2012 04:00
Date: Wed, 11 Jan 2012 04:00
25 lines
2408 bytes
2408 bytes
On Tue, 10 Jan 2012 21:10:15 -0600, the renowned "Tim Williams" <tmoranwms@charter.net> wrote: > >You're just spoiled... > >8-layer boards aren't cheap. Heck, four layer boards aren't cheap. If I >can avoid it, I'll pick 2 layer whenever possible. Great proto prices and >turn arounds. With two layers to choose from, you have no choice but to >stitch like a carpet. You only have room for one ground plane as such. >Heck, if you think you have room for two (maybe VCC and GND), you're being >lazy and could get by with 1 layer. :) > >Tim These days even a house thermostat design requires a 432 pin BGA (plus scores of other parts), so 1 or 2 layer boards are not practical. 8-( Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com
Technical Details
Message-ID:
<k42qg7d4q53gjspihul5bvijq3ga0c1jo5@4ax.com>Path:
arc1-ca.pugleaf.net!lh20ni165950pbb.0!nntp.google.com!news1.google.com!news2.google.com!news.glorb.com!news-in-01.newsfeed.easynews.com!easynews!core-easynews-01!easynews.com!en-nntp-03.dc1.easynews.com.POSTED!not-for-mailReferences:
<3cb3aab6-3bd6-4767-93d3-710aa1dcc9f2@h13g2000vbn.googlegroups.com> <8d7496bf-0ee2-49f5-ab83-b6fe4cb2253d@cf6g2000vbb.googlegroups.com> <uilog75gfbqq0eo77f0tdtn918n4pigmi6@4ax.com> <jehp1c$j04$1@speranza.aioe.org> <a6qog71oeiacboqnku38gr0qq7tnf4njfc@4ax.com> <jeiujc$9ni$1@dont-email.me>Show Full Headers
Complete Article Headers
X-Google-Thread: a5a6238865,e165c67941ee00bf
X-Google-Attributes: gida5a6238865,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII-7-bit
Received: by 10.68.189.202 with SMTP id gk10mr3356074pbc.4.1326254440396;
Tue, 10 Jan 2012 20:00:40 -0800 (PST)
Path: arc1-ca.pugleaf.net!lh20ni165950pbb.0!nntp.google.com!news1.google.com!news2.google.com!news.glorb.com!news-in-01.newsfeed.easynews.com!easynews!core-easynews-01!easynews.com!en-nntp-03.dc1.easynews.com.POSTED!not-for-mail
From: Spehro Pefhany <speffSNIP@interlogDOTyou.knowwhat>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Dr Howard Johnson, this weeks guest on The Amp Hour
Organization: Rather
Message-ID: <k42qg7d4q53gjspihul5bvijq3ga0c1jo5@4ax.com>
References: <3cb3aab6-3bd6-4767-93d3-710aa1dcc9f2@h13g2000vbn.googlegroups.com> <8d7496bf-0ee2-49f5-ab83-b6fe4cb2253d@cf6g2000vbb.googlegroups.com> <uilog75gfbqq0eo77f0tdtn918n4pigmi6@4ax.com> <jehp1c$j04$1@speranza.aioe.org> <a6qog71oeiacboqnku38gr0qq7tnf4njfc@4ax.com> <jeiujc$9ni$1@dont-email.me>
X-Newsreader: Forte Agent 1.93/32.576 English (American)
MIME-Version: 1.0
Lines: 25
X-Complaints-To: abuse@easynews.com
X-Complaints-Info: Please be sure to forward a copy of ALL headers otherwise we will be unable to process your complaint properly.
Date: Tue, 10 Jan 2012 23:00:38 -0500
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit