On Saturday, July 27, 2019, 8:34:11 PM CDT, Joe Smith via Groups.Io <joeqsmith49@...> wrote:
I now have both channels sorted out.? Took a little time away from the project? to have a fresh look.?? I've posted a couple of updated pictures.?? There still some work to do but the basics are working now.?
"www.eevblog.com/forum/rf-microwave/nanovna-custom-software/new/#new"
NanoVNA Custom Software - Page 1
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NanoVNA Custom Software - Page 1
NanoVNA Custom Software - Page 1
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? ? On Friday, July 26, 2019, 12:08:06 PM CDT, Joe Smith via Groups.Io <joeqsmith49@...> wrote:
? I started to look at the "data 1" array to implement S21.?? So far, no luck.? Like the "data 0" array, it appears to send two different arrays that are interlaced.? ? One thing I did run into when I first tried it, the communications was not reliable. ? It seems that sending the two commands "data 0 data 1" too quickly can cause the VNA some distress.? Adding some delay between commands appears to have solved it. ??
? On Wednesday, July 24, 2019, 4:15:55 PM EDT, Joe Smith via Groups.Io <joeqsmith49@...> wrote:
? Thanks for taking the time to dig up all those links.??? The first link uses the included Smith chart.? This is what I show in my screen shot.?? This works but I really want some basic features like cursors.??? The others appear to use the same method I have done in the past, basically overlaying graphics on an X-Y.?? This is the direction I am planning once again as looking at NI's site, it appears they have nothing new to offer.??
? On Wednesday, July 24, 2019, 3:38:11 PM EDT, Larry Rothman <ac293@...> wrote:
Would this help?
An Old Friend in New Clothes:Smith Charts in LabVIEW
? Proceedings of the 2013 ASEE North Central Section Conference
? Copyright ? 2013, American Society for Engineering Education OFNC1
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There are also:
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I hope these help you and others.
Cheers,
Larry
