Wes, Thanks for the link to what looks like a very interesting document. Just what I have been looking for. And, thanks to others for the suggested resources.
phil On Dec 9, 2009, at 7:01 PM, Wes Stewart wrote: > And take a look at HP's note AN64 > (cp.literature.agilent.com/litweb/pdf/5965-6630E.pdf), particularly chapter > VII. After that, the question about whether more resolution is necessary or > meaningful might be moot. > > > > --- On Wed, 12/9/09, Paul Christensen <[email protected]> wrote: > > >> >> You asked the question about what it takes to achieve >> better accuracy. You >> may want to read N8LP's excellent article in QEX from a few >> years ago, along >> with articles from Warren Bruene, Roy Lewallen, John >> Grebenkemper, and >> others who have published on the accuracy subject. >> >> Paul, W9AC >> >> >> ----- Original Message ----- >> From: "Phil Hystad" <[email protected]> >> To: "Elecraft" <[email protected]> >> Sent: Wednesday, December 09, 2009 7:51 PM >> Subject: [Elecraft] W2 Questions >> >> >>> A few questions about the W2 meter: >>> >>> 1. The posted accuracy is +- 0.5 dB which I >> calculate as about +- 12 %. >>> Is this full scale accuracy and if so is half scale >> possibly more accurate >>> or is this the most accurate the meter is likely to >> be. I am not even >>> sure if it makes a difference for full scale or half >> scale for a digital >>> meter so that part of my question may be moot. >>> >>> 2. What does it take to achieve an accuracy >> better then 5 % (for >>> example), and is it possible to achieve an accuracy of >> 1 % or better? I >>> am curious as to where the money needs to be spent in >> achieving such >>> accuracy. Is it in the directional coupler? >>> >>> 3. I am thinking that the company that can build >> the best receiver on the >>> market (the K3) can also build the best meter. >> So, would Elecraft >>> principles consider a future super-accurate, best on >> the planet, amateur >>> radio RF/SWR power meter? Oh, I think a current >> meter would be cool too. >>> >>> And, I know that having meter accuracy is of little >> importance in ham >>> radio but there is some kind of deep seated quirk in >> me that wants >>> accuracy just for the heck of it. Certainly 5 % >> is achievable, right? >>> >>> 73, >>> phil, K7PEH >>> >> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[email protected] >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
