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Sat, 30 Jun 2001 02:49:01 -0000

<html><DIV>Billy, If you are doing a complete calculation of RMS, you start at E sub zero and end at E infinity-1. The closed form solution is an integral where each interval in the summation is infinitessimally small. Fortunately, the discrete approximation used by Bill (360 intervals) converges to the value given by the closed form integral solution very quickly as the size of the intervals is reduced. This is Issac Newton's other contribution to mankind - calculus. 73 de Mike, W4EF........... </DIV>
<DIV></DIV>100% correct Mike; however, most of us do not go into calculus when doing simple calculations. In fact the average RF design engineer hardly ever uses calculus on most of the simple problems. We use computer programs in place of calculus and the computer does the calculus for us. 
<DIV></DIV>I wish I could do formulas on this reflector instead of having to spell it out. But, I have said it as well as I know how to with out doing a drawing. I do not know if this reflector will work with html or not but I have known the formula for RMS since 1954 when I was 11 years old. I guess I was not able to say it in plain language without drawing pictures. 
<DIV></DIV>It used to look kind of like this: 
<DIV></DIV>E sub 1squared + E sub 2 squared + E sub 3squared + E sub 4squared ...to 360 
<DIV></DIV>Then place a Square Root sign over the whole thing! 
<DIV></DIV>Billy Dean Ward<br clear=all><hr>Get your FREE download of MSN Explorer at <a href="http://explorer.msn.com">http://explorer.msn.com</a><br></p></html>

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