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William Berzinskas wrote:
<blockquote cite="mid001101c4e0ef$885da2e0$30193942@studio" type="cite">
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<div><font face="Arial" size="2">as the sub says.. how can i make a
100k pot act like a 10k? i have a bunch of pots and a bunch of free
time.. and not much money.. so, anyone? </font></div>
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<font face="Helvetica, Arial, sans-serif">That depends on the
application. If you are talking about using it as a voltage divider,
you only need to be considered about the loading effects of whatever
resistance is hanging off it. If you want it to act like an audio
taper, you can purposely put an "excessive" load on it. If it's going
to be used as a gain element in an opamp feedback loop, you can change
the other gain setting resistor and still get the same gain.<br>
Here's an article on pot substitution:<br>
<a
href="http://home.comcast.net/%7Esbernardi/elec/og2/partsub_pots.html">Pot
and trimpot substitution</a><br>
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