From: boris petkovic
Date: Mon, 11 Dec 2000 02:10:20 -0800 (PST)
Subject: Re: [TSSP] Coils at high elevation
Terry,Malcolm.Paul,All; snip> > > Using the new program the f1 error for H/D=1 in > Malcolm's catagory (a) > > coil 1 measurements is +7.7%, and for Mark's 875 > turn coil, +16.3%. > > > > These errors can no longer be attributed to > defects in the capacitance > > determination software and must be due either to > an inadequate > > representation of the environment, or more > worryingly, a problem with > > the application of internal capacitance within the > model. ----- You mean interturn capacitance effect of a winding has such a dramatic influence at Fo? If so ,I don't agree .At least,It couldn't be reason for 875 turn coil. 16% error for 1/4 wave resonant freq.is way too much to be caused by neglecting interturn capacities here. Regards, Boris __________________________________________________ Do You Yahoo!? Yahoo! Shopping - Thousands of Stores. Millions of Products. http://shopping.yahoo.com/
Maintainer Paul Nicholson, paul@abelian.demon.co.uk.