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Article #2476Re: Making thick-film resistors
From: Phil Allison
Date: Fri, 11 Jan 2002 10:00
Date: Fri, 11 Jan 2002 10:00
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"Roger Lascelles" <rogerl@tpg.net.au> wrote in message
news:3c3ea447@dnews.tpgi.com.au...
> I read that carbon film is inferior to metal film at 500 MHz ?? up. The
> writer said that carbon acts like lumps joined together by tiny points of
> contact and there is capacitance between the lumps. So you may want metal
> film - which is what many SMD parts are.
>
> Roger
** Well all the little caps are (a) in series and (b) shorted by the
carbon. The problem with a metal film one is that is consists of a flaming
spiral.
Regards, Phil
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,d2a3518e413f7b58 X-Google-Attributes: gid112d1e,public X-Google-Thread: 103407,d2a3518e413f7b58 X-Google-Attributes: gid103407,public X-Google-ArrivalTime: 2002-01-11 01:57:32 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!intgwpad.nntp.telstra.net!newsfeeds.bigpond.com!not-for-mail From: "Phil Allison" <bilup@bigpond.com> Newsgroups: sci.electronics.design,aus.electronics References: <3C3E2DF7.27B47935@iprimus.com.au> <3c3ea447@dnews.tpgi.com.au> Subject: Re: Making thick-film resistors Lines: 19 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Message-ID: <ACy%7.66954$HW3.61794@newsfeeds.bigpond.com> Date: Fri, 11 Jan 2002 21:00:10 +1100 NNTP-Posting-Host: 203.54.214.195 X-Trace: newsfeeds.bigpond.com 1010742816 203.54.214.195 (Fri, 11 Jan 2002 20:53:36 EST) NNTP-Posting-Date: Fri, 11 Jan 2002 20:53:36 EST Organization: Telstra BigPond Internet Services (http://www.bigpond.com)