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Re: Parameter Explanation Please
Hi Larry,
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Please refer to the forum Wiki. There are a number of application note and reference links there:??? /g/nanovna-users/wiki/External-links Refer to the Smith Chart tutorials. ...Larry On Thursday, November 14, 2019, 9:45:42 a.m. GMT-5, Larry Naumann <n0sa@...> wrote:
Okay, I have a NanoVNA ordered and I have a VNWA. I know the differences between X, R and Z. What I do not understand is Xr, Xp, Rr, Rp, Zr, Zp, |Z| etc. I know the r and p mean series and parallel but I do not understand how it functions with single and two port connections. What are the differences, what does it mean as far as connections and readings goes? I need a Dummies Guide to these parameters, explaining differences and connection examples, etc. A reference to a book or webpage would be nice. Thanks Larry n0sa |
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Re: NanoVNA Firmware and Software Versions and updates
Hi Karsten,
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I assembled all of the available (at that time) firmware that you see in the Files section.? It was done at a time when things were scattered around and forum members were asking where to find a particular version.? Oristo categorized the versions a little better on the Wiki but to date, no one has actually built a table showing the various features of each developer's release.? Of course - now that you've started, I'm sure it would be appreciated by others in the forum if you could create a nicely formatted table either as a PDF (easy export from an Office app) or HTML. Regards, Larry On Thursday, November 14, 2019, 9:17:25 a.m. GMT-5, Karsten, DD1KT <ktholmann@...> wrote:
@all, is there a collection (best would be feature table) besides the Wiki-Page (or one I did not find) where all different Firmwares with the features (my be release dependent) are compared as well as the Application Software releases with its features. As a new member in this group it is very difficult to find out what can be done with which Firmware. What are features of PC/Mac-programs and which combinations work. My proposal would be to use this Topic to collect all versions as well as updates. The Wiki has already a collection, but I am not sure, if every Firmware and software programmer is adding his newest version to the Wiki page (if possible) As Firmware:? -H? -Q, -F , edy555 (for different display calibration), Eric, DMR, Xenomorph As Application :? NanoVNASaver,? NanoVNA-Web-client, TAPR, NanoVNASharp With ASCII it is difficult do do a table. I hope they keep readable : ----------------------Firmwares---------------------: FW/funktion? SreenCopy maxFreq? 4/2traces? CW-SWR? NanoVNASaver, Vbat_state NanoVNA-Web-client, TAPR, NanoVNASharp comment -H? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? 1.5G? ? ? 4/ 2b.font? ? ? ? big? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? y? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? -Q? ? ? ? ? ? ? ? ? ? ? ? ? ? y? ? ? ? ? ? 1.5G? ? ? ? ? ? ? 4? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? y? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? y? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? -F? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? edy555? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? 1.5G? ? ? ? ? ? ? 4? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? y? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? screen cal needed for -h Hardware? ? ? Eric? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? y? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? DMR? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? y? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ----------------------Software---------------------: SW/function? ? ? ? ? ? ? ? ? Windows? MAC Android? TDR? morePoints ScreenCopy NanoVNASaver? ? ? ? ? ? ? ? ?,7,10? ? y? ? ? ? ?? ? ? ? ? y? ? ? ? ? y? ? ? ? ? ? ? ? ? NanoVNA-Web-client? ? ? ? ?,7,10? ? ?? ? ? ? y? ? ? ? ? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? TAPR? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?,7,10? ? ?? ? ? ? ?? ? ? ? ? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? NanoVNASharp? ? ? ? ? ? ? ? ?,7,10? ? ?? ? ? ? ?? ? ? ? ? ?? ? ? ? ? ?? ? ? ? ? ? ? ? y It should be possible to be update the tables with a copy vy73 de Karsten, DD1KT |
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Parameter Explanation Please
Larry Naumann
Okay, I have a NanoVNA ordered and I have a VNWA.
I know the differences between X, R and Z. What I do not understand is Xr, Xp, Rr, Rp, Zr, Zp, |Z| etc. I know the r and p mean series and parallel but I do not understand how it functions with single and two port connections. What are the differences, what does it mean as far as connections and readings goes? I need a Dummies Guide to these parameters, explaining differences and connection examples, etc. A reference to a book or webpage would be nice. Thanks Larry n0sa |
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Re: NanoVNA-Saver 0.2.0
Rune,
Seems at least a few members are requesting the capability of taking and saving a screenshot be added to NanoVNA-Saver. The python code is included in edy555's nanovna.py script. From my experience, the primary "got you" is the NanoVNA needs to be reset when taking screenshots of the version screen or a screen including the on-screen keyboard. You might pow-pow with QRP regarding the latter two problems as he seems to have figured it out in NanoVNA Sharp V3. Not sure if he solved it by firmware modification or in code. - Herb |
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NanoVNA Firmware and Software Versions and updates
@all,
is there a collection (best would be feature table) besides the Wiki-Page (or one I did not find) where all different Firmwares with the features (my be release dependent) are compared as well as the Application Software releases with its features. As a new member in this group it is very difficult to find out what can be done with which Firmware. What are features of PC/Mac-programs and which combinations work. My proposal would be to use this Topic to collect all versions as well as updates. The Wiki has already a collection, but I am not sure, if every Firmware and software programmer is adding his newest version to the Wiki page (if possible) As Firmware: -H -Q, -F , edy555 (for different display calibration), Eric, DMR, Xenomorph As Application : NanoVNASaver, NanoVNA-Web-client, TAPR, NanoVNASharp With ASCII it is difficult do do a table. I hope they keep readable : ----------------------Firmwares---------------------: FW/funktion SreenCopy maxFreq 4/2traces CW-SWR NanoVNASaver, Vbat_state NanoVNA-Web-client, TAPR, NanoVNASharp comment -H ? 1.5G 4/ 2b.font big ? y ? ? ? -Q y 1.5G 4 ? ? y ? ? y -F ? ? ? ? ? ? ? ? ? edy555 ? 1.5G 4 ? ? y ? ? ? screen cal needed for -h Hardware Eric ? ? ? ? ? ? ? y ? DMR ? ? ? ? ? y ? ? ? ----------------------Software---------------------: SW/function Windows MAC Android TDR morePoints ScreenCopy NanoVNASaver ?,7,10 y ? y y ? NanoVNA-Web-client ?,7,10 ? y ? ? ? TAPR ?,7,10 ? ? ? ? ? NanoVNASharp ?,7,10 ? ? ? ? y It should be possible to be update the tables with a copy vy73 de Karsten, DD1KT |
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Re: NanoVNA-Saver 0.2.0
On Thu, Nov 14, 2019 at 05:42 AM, David F4HTQ wrote:
" ¡ The limitation of 100Hz comes from the firmware, and maybe even hardware ¡." ----------------------------------------------------------------------------- David, The hardware is capable of 1Hz steps the limitation is - or was- in the firmware. QRP's 0.4.3 firmware restores 1 Hz steps and add other enhancements such as extending the frequency range from 10 kHz - 1500 MHz and calibrating the battery display (not a full list of enhancements). - Herb |
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Re: NanoVNA-Saver 0.2.0
Hello Karsten,
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The software takes readings from the NanoVNA, and displays them and does calculations on them. The readings taken are the S-parameters, S11 and S21, so any settings for traces on the device are ignored. NanoVNA-Saver does its own calculations of derived values, including TDR. It allows reading more than 101 points by stitching together multiple "segments" of the total span of interest. Calibration is available on the PC-side in NanoVNA-Saver, which allows you to get a calibration with more points than on the device itself, as well as the ability to use custom calibration standard sets. The application does not (currently) support taking screenshots of the NanoVNA - there are excellent scripts that do this out there - but you can save images of any of the graphs via the right click menu. Frequency generation is still fundamentally part of the firmware - NanoVNA-Saver tells the firmware the start and stop frequency of the "segment" it is currently reading, and gets back a list of the actual frequencies read, and the values at those frequencies. To get a step size lower than 100Hz, you would need a firmware that supports steps of that size. The software does not need a specific firmware, but newer firmwares have bugfixes, and I recommend using a new firmware to get the best experience with your device in general. I hope I've answered your questions, otherwise, don't hesitate to ask here on the list :-) -- Rune / 5Q5R On Thu, 14 Nov 2019 at 14:23, Karsten, DD1KT <ktholmann@...> wrote:
Hello Rune, |
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Re: NanoVNA-Saver 0.2.0
Hi Jean,
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thank you very much! It's exciting to hear what uses people find for my little hobby software project! -- Rune / 5Q5R On Thu, 14 Nov 2019 at 14:09, <ptapon@...> wrote:
Hi Rune, |
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Re: NanoVNA-Saver 0.2.0
Hi Lucio,
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NanoVNA-Saver reads the current frequency span of the NanoVNA, and uses that as the default. It does not read any other configuration values from the NanoVNA, yet anyway. Thank you for the praise :-) I'm glad you enjoy using it. I hope this is helpful, -- Rune / 5Q5R On Thu, 14 Nov 2019 at 10:22, Lucio I?LYL <lucio.i0lyl@...> wrote:
@Rune Broberg |
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Re: NanoVNA-Saver 0.2.0
Hi Herb,
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I'm glad you're enjoying that second marker :-) I don't know what the group delay graph is trying to tell you .. I just write the code ;-) -- Rune / 5Q5R On Thu, 14 Nov 2019 at 02:40, hwalker <herbwalker2476@...> wrote:
Rune, |
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Re: NanoVNA-Saver 0.2.0
Hi Karsten,
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I answer partially instead Rune's. The limitation of 100Hz comes from the firmware, and maybe even hardware. Another solution to determine the motionals parameters of a crystal is to use SNASharp with a compatible scalar analyzer. Look here: SNASharp official page (in french sorry): David, F4HTQ. -----Message d'origine-----
De : [email protected] [mailto:[email protected]] De la part de Karsten, DD1KT Envoy¨¦ : jeudi 14 novembre 2019 14:24 ? : [email protected] Objet : Re: [nanovna-users] NanoVNA-Saver 0.2.0 Hello Rune, I am quite new to the group and am already scanning all the messages for information. So please excuse, if I missed the information I am now askig for: Which functions are taken over from your Software NanoVNA-Saver and which functions are still based on the Firmware. e.g. I understand, you have your own calibration values for the correction of the traces, you do not use the values stored in the Firmware my concrete questions: - if I need small steps to measure a crystal filter (I read that the original old (September) Firmware has 100 Hz steps), can I do it with your software, or is the frequency generation taken from the firmware? - to take a screen-shot, would I need an other Firmware and other PC-Programm, or is it also possible with your Software? - Is there the need or proposal to use a specific Firmware to get all possibilities of your Software? vy73 de Karsten, DD1KT |
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Re: NanoVNA-Saver 0.2.0
Hello Rune,
I am quite new to the group and am already scanning all the messages for information. So please excuse, if I missed the information I am now askig for: Which functions are taken over from your Software NanoVNA-Saver and which functions are still based on the Firmware. e.g. I understand, you have your own calibration values for the correction of the traces, you do not use the values stored in the Firmware my concrete questions: - if I need small steps to measure a crystal filter (I read that the original old (September) Firmware has 100 Hz steps), can I do it with your software, or is the frequency generation taken from the firmware? - to take a screen-shot, would I need an other Firmware and other PC-Programm, or is it also possible with your Software? - Is there the need or proposal to use a specific Firmware to get all possibilities of your Software? vy73 de Karsten, DD1KT |
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Re: NanoVNA-Saver 0.2.0
@Rune Broberg
forgive me Rune, maybe it has already been said a million times but I still have doubts. Let's say I have the nanoVNA turned on "Recall 4". I connect NanoVNA-Saver to the device and the program synchronizes to the same frequency range as the device. What else does NanoVNA-Saver read from the NanoVNA? calibration values? other? thanks and congratulations for the excellent program. 73, Lucio I0LYL |
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Re: NanoVNA software developers wanted
#hacking
I'm using eclipse to edit and the github gui to sync with github.
Apart from remembering to save the files you edited because otherwise the make file will not do anything this works well. For eclipse and build environment I followed the edy555 guide (see the nanoVNA wiki) -- NanoVNA Wiki: /g/nanovna-users/wiki/home NanoVNA Files: /g/nanovna-users/files? Erik, PD0EK |
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Re: NanoVNA-Saver 0.2.0
Rune,
While verifying a cable that I just constructed, I noticed that you had implemented a second marker in the TDR graph. Thanks a lot! Its nice to be able to mark other anomalies, in addition to the peak, and get a readout of where they occur. The attachment shows the TDR graph with a second marker showing the minor discontinuity caused by the BNC "bullet" at 0.3 meters. The phase delay graph is telling me something, just not sure how to interpret it ; ) - Herb |
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Re: Added to NanoVNA Wiki Re: DFUseDemo
Yes, you can edit the link I made to your forum post.? ?
The trick is that you have to edit the whole wiki page - so please be careful.? Unfortunately, the forum owner disabled the ability to edit posts although you can delete and repost if you need to make a correction. The only drawback is every post gets sent out to those who subscribed to individual postings.? ? What Oristo and I have done in some areas is to create a pdf document, place it in the files area and then create a link to in in the wiki.? ? As for filenames, I'm starting to use dashes or underscores instead of spaces to stop the group.io subsystem from substituting %20 for them and making a mess of the filename.? ? ... Larry On Wed, 13 Nov 2019 at 6:47 PM, Herman De Dauw<on1bes@...> wrote: Thank you Larry. Zadig is usually required to install a driver for an RTL-SDR DVB-T2 TV dongle. I use it often. If you use it incorrectly, you can expect problems with Windows hardware. But the given tip was made very quickly. It can still be fine-tuned. Can I still edit it if necessary? on1bes Herman |
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