Look in CRC handbook of mathematical functions. they have two trapezoids. section 1.4 on fourier series. "Keskinen, Kai" wrote: > > Clayton Paul's book "Introduction to Electromagnetic Compatibility" has a > fairly extensive treatment of Periodic Signals in Chapter 7. > > Kai Keskinen > Signal Integrity Advisor > C-MAC Engineering > A Solectron Company > 425 Legget Drive, > Kanata, ON K2K 2W2 > kkeskinen@xxxxxxxxxxxx > > -----Original Message----- > From: HaroldLSJ@xxxxxxx [mailto:HaroldLSJ@xxxxxxx] > Sent: Friday, March 15, 2002 1:20 AM > To: doug@xxxxxxxxxx; si-list@xxxxxxxxxxxxx > Subject: [SI-LIST] Re: Fourier Series, trapeziod > > Doug, > > Check page 262 of "Handbook of Numerical Calculations in Engineering" by Jan > > J. Tuma, McGraw-Hill, 1989. If you don't have a copy then let me know off > line and I will send you a pdf copy of the page. > > Harold L. Snyder, Jr. > Scientist & Consultant > > Begin Included Message: > =============================== > > Subj:[SI-LIST] Fourier Series, trapeziod > > Date:3/14/2002 4:02:05 PM Central Standard Time > > From:<A HREF="mailto:doug@xxxxxxxxxx";>doug@xxxxxxxxxx</A> > > To:<A HREF="mailto:si-list@xxxxxxxxxxxxx";>si-list@xxxxxxxxxxxxx</A> > > Sent from the Internet > > > > > > Can anyone give me a Fourier series for a trapezoidal waveform? Or point > me > > > > to a source where I can find it. > > > > Thanks > > > > Doug Brooks > > > =============================== > End Included Message. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu