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PostPosted: Fri Sep 14, 2007 1:39 pm 
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Location: Indianapolis, Indiana - USA
I'm building a fully-loaded Phasor and I came up one part short - a 3.9 megohm resistor. If for some strange reason I can't find this value locally, could I just sub in a 4 megohm resistor?

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PostPosted: Fri Sep 14, 2007 2:56 pm 
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I have 1 word for you..... tolerance.

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PostPosted: Fri Sep 14, 2007 3:11 pm 
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I figured it'd be OK. I'm just real anal when it comes to subbing values. I usually try to avoid it if possible. I'm not sure how sensitive the circuit is either. I guess seeing as it isn't digital, it probably isn't going to be very picky if I stick a resistor in it with a slightly higher value - LOL. After doing a little math, I discovered that if I stuck a 4 megohm reistor with a 5% tolerance, the plus or minus values would be 4.2 megohms and 3.8 megohms respectively.

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