Re: Making thick-film resistors

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#2458

From: John Woodgate
Date: Wed, 16 Jan 2002 14:14

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I read in sci.electronics.design that Tony Williams
<tonyw@ledelec.demon.co.uk> wrote (in <4af9b3c613tonyw@ledelec.demon.co.
uk>) about 'Making thick-film resistors', on Wed, 16 Jan 2002:
>In article <3C440B7A.22F5C476@iprimus.com.au>,
>   Russell Shaw <rjshaw@iprimus.com.au> wrote:
>
>> I can choose the optimum physical dimensions
>> to minimize both capacitive and inductive
>> parasitic effects.
>
> A long, thin, rectangle?
>
> I wonder if it is possible to take the
> element out of a carbon film slider pot
> (low ohms) and bring it up to the req'd
> value by reducing the film thickness. 
> Possibly with an air-driven abrasive.
>
Just use a 6B pencil to draw your own! Not noted for long-term
stability, but neither is pot track!
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk 
After swimming across the Hellespont, I felt like a Hero.

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From: John Woodgate <jmw@jmwa.demon.co.uk>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Making thick-film resistors
Date: Wed, 16 Jan 2002 14:14:27 +0000
Organization: JMWA Electronics Consultancy
Message-ID: <$6E64KBDrYR8Ewkb@jmwa.demon.co.uk>
References: <3C3E2DF7.27B47935@iprimus.com.au> <3c3ea447@dnews.tpgi.com.au>
 <ACy%7.66954$HW3.61794@newsfeeds.bigpond.com>
 <HdPEBwAWNvP8Ewhx@jmwa.demon.co.uk>
 <k7G%7.19972$X87.2693805@news2-win.server.ntlworld.com>
 <HJV%7.70441$HW3.65103@newsfeeds.bigpond.com>
 <XmMw$gBnJEQ8EwoZ@jmwa.demon.co.uk>
 <lUz08.71937$HW3.70311@newsfeeds.bigpond.com>
 <r8LfJZB47uQ8EwOR@jmwa.demon.co.uk> <4af92c0c90tonyw@ledelec.demon.co.uk>
 <3C440B7A.22F5C476@iprimus.com.au> <4af9b3c613tonyw@ledelec.demon.co.uk>
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