¿ªÔÆÌåÓý

ctrl + shift + ? for shortcuts
© 2025 Groups.io
Date
Digi-Key part numbers for various SMA adapter bits
In case nobody has made this public, below find some part numbers for useful or absolutely required fittings and adapters. A couple of each are en route to me right now. (From Digi-Key. Not Mouser. I
By N9KDY · #4992 ·
Test fixtures #test-jig
Saw this on eBay. Anyone have gerber files for something like this?
By Starsekr · #4991 ·
Re: Just got mine. Looking it over.
Ah!! THAT is what I needed. CLI it shall be. Thanks. Do you know if it is limited to 9600 BPS (BPS not BAUD)? My serial ports go a lot faster than that, and I have some non-Chinese-pirated-JUNK
By N9KDY · #4990 ·
Re: SOLT calibration vs. TRL
Dow-Key Microwave 411C-220832 12V relays I got a handful from equipment that we tossed into recycling at worksites. They never seen a signal larger than -10dbm and are perfect for circuits like this.
By Bilbo · #4989 ·
Re: Nanovna-F is here
Where did I purchase? eBay and it took about 4 weeks to arrive. Why three, now 4, vnas? I wanted one of each of the identified versions to test whether one was better. Whether shields made a
By Warren Allgyer · #4988 ·
Re: Another ebay deal?
But the Taobao website is in foreign. Nigel A. Gunn, 1865 El Camino Drive, Xenia, OH 45385-1115, USA. tel +1 937 825 5032 Amateur Radio G8IFF W8IFF and GMRS WRBV701, e-mail nigel@... www
By Nigel Gunn, G8IFF/W8IFF <nigel@...> · #4987 ·
Re: Just got mine. Looking it over.
Ahh the linux holy wars. I can assure you that nanovna-saver works fine on Fedora. It's a pure python program though it needs some libraries that are available in the repository but the packages are
By Paul Alfille · #4986 ·
Re: Another ebay deal?
If you are waiting to get another nanoVNA, you can get this when it is available on ebay or aliexpress. I got mine from Taobao direct. But you need to solder in the connectors and the components.
By SM Ling · #4985 ·
Re: errors of "error" models
Hello, I am sorry, but you keep giving links rather than comment is very tiresome for me. | Finally, allow us, please, to comment that, in our humble
By Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...> · #4984 ·
Fairly good raw uncorrected source and load match - based on one sample
One of the parameters specified for a VNA is the * raw uncorrected source match and * raw uncorrected load match. The better the raw performance, the better the corrected performance. I measured these
By Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...> · #4983 ·
Re: errors of "error" models
#49 : first details of our final report 1 : nominal values comparison : our [NanoVNA] ~ our [VNA] - #30 : our final report 1 - 6 October 2019 : /g/nanovna-users/message/4179 - Hello,
By gin&pez@arg · #4982 ·
Re: Nanovna-F is here
I would be interested in finding that out also. Thanks, Dick, W1KSZ Sent from Outlook<http://aka.ms/weboutlook> ________________________________ Sent: Tuesday, October 15, 2019 4:11 PM To:
By Dick · #4981 ·
Re: Am I Fixing my BNC Calibration using Calibration Standards Adjustments in nanoVNA-Saver 0.1.2
Kurt, Please find attached below the Smith Chart after tuning the parameters. The S11 plot after tuning is the last chart in the first post #4963 above. I think there is a misspelling in so far you
By Bryan, WA5VAH · #4980 ·
Re: Am I Fixing my BNC Calibration using Calibration Standards Adjustments in nanoVNA-Saver 0.1.2
Hi Bryan Congratulation. Tweeking parameters in NanoVNA-saver is great fun. You missed to show us a sweep of the coax cable after tuning to celebrate the victory ? I think there is a misspelling in
By Kurt Poulsen · #4979 ·
Re: Nanovna-F is here
Warren, where did you purchase your NanoVNA-F? Dave
By David Hartley (K5OZ) · #4978 ·
Cal Procedure Question
I would like to set up Cal Files for different parts of the Spectrum. One procedure I have talks about doing that, but one of the steps (after setting the Frequency Range) is to hit "Reset". Now
By Dick · #4977 ·
Re: SOLT calibration vs. TRL
*There are several reasons I believe TRL calibration is not too practical on a low-cost VNA.* 1) The length of the line section needs to be between 20 & 160 degrees electrical length - ideally 90
By Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...> · #4976 ·
Re: Are there any guidelines for hacking the firmware?
Ltd <drkirkby@...> wrote: Go for it! It will all make more sense after looking at ttrftech's Github and downloading the source. --buck
By Buck Calabro, KC2HIZ · #4975 ·
Re: Nanovna-F is here
But why do you have more than one NanoVNA?? Am I missing out on something?? (I understand getting a -F in addition to the original)... Mike WY6K "... somewhere in the distance, there's a tower and a
By WY6K Mike Watts · #4974 ·
Re: Nanovna-F is here
Good information.? I have one mystery though - what do you do with 3 NanoVNAs?? Why multiples? Mike WY6K "... somewhere in the distance, there's a tower and a light, broadcastin' the resistance,
By WY6K Mike Watts · #4973 ·