And I will add a filter is not a filter. No, I am not crazy. There are many types of filters with various trade-offs. In band ripple.....loss......phase shift.......skirt shape....are just some of the trade offs. DSP software can emulate any or combos
George, W6GF Sent from my iPad > On Nov 16, 2015, at 5:03 PM, Fred Jensen <k6...@foothill.net> wrote: > > No doubt Wayne is qualified, however he has deferred on several occasions to > Lyle who I believe actually writes the code. > > And a teeny point from a math major ... inasmuch as arithmetic is a part of > math, it is clearly "done mathematically." The "real" math however is in > figuring out what arithmetic to do. At the implementation level, it's all > arithmetic, generally in base-2. > > I'll bet my next paycheck, if I got one anymore, that both Lyle and Wayne > understand both. > > 73, > > Fred K6DGW > - Northern California Contest Club > - CU in the Cal QSO Party 1-2 Oct 2016 > - www.cqp.org > >> On 11/16/2015 4:18 PM, Bob McGraw - K4TAX wrote: >> >> Perhaps Wayne is better qualified to define the performance of the DSP >> filter system, usually limited by the number of poles and is done >> mathematically. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to georgefrit...@yahoo.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
