Re: NanoVNA firmvare, compiled by DiSlord
#firmware
i don`t understand 1 variant is last firmware 2 variant - is 0.8.4.3 (Only 8kHz IF change) 3 variant - is old 0.8.4.4 (2x external freq) You not fogot reset self NanoVNA calibration before calibrate
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DiSlord
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#12967
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
DiSlord, Flashed number 2,? threshold set to 300MHz,? recalibrated NanoVNA-Saver,? S21 at 0 now,? R+jX? R still not shown, S11 49.85 Ohms standard? way off , Marker 1 an 3 not shown. See
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Jos Stevens
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#12966
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
DiS;lord, Flashed number 1, recalibrated in NanoVNA-Saver, still no good, see picture Jos Op 27-4-2020 om 22:15 schreef DiSlord:
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Jos Stevens
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#12965
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
What is the approximate cost of the device?
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aleks07111971@...
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#12964
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
Please not use old calibration, recalibrate after update
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DiSlord
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#12963
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
Check this 3 variants (all of them work good on my H4, try set threshold to 300MHz) Need recalibrate
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DiSlord
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#12962
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
In version v0.8.4.4, the level of CH1 rises after 300 MHz.
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DMR <bryonikater@...>
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#12961
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
Hi DiSlord, Loaded your latest version of00000000000000 firmware 0.8.4.4 into my NanoVNA H4 and calibrated in NanoVNA-Saver. Results are not as good as in previous firmware see the pictures attached,
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Jos Stevens
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#12960
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
Erik I would like to be a beta tester. I have a RIGOL DSA1030 Spectrum Analyzer that goes from 9 KHz to 3000 MHz, a sweep generator that goes from 1 MHz to 1500 MHz, a RIGOL DS1202Z-E Digital Storage
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Darrell Davis KT4WX
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#12959
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
Long read TLV320AIC3204 datasheet (unfortunately it is poorly written) Revert external freq set 96kHz mode for AIC ADC (this mode have more noise), use internal multiplier as before (i found PLL set
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DiSlord
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#12958
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
Hello Erik, I would like to test your spectrum analyzer. I have used an old HP 8558B to illustrate USB and LSB. However, the resolution just barely illustrates this and I have been looking for a
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Joe Joncas
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#12957
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Re: Screen issue on NanoVNA-H4
#nanovna-h4
I had the same problem.? The H4 would not start but 1 time in 10.? and froze under computer control. I put small nylon washers on the mounting screws as spacers to keep the case from touching the
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Terry Bullett
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#12956
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
While I do have some test equipment and enjoy working on antenna I would love to get a hold of one of the units to connect it to a PC for a larger screen like NanoVNA-saver does for the NanoVNA. John
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John Galway <jjgalway@...>
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#12955
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
Erik, I have a pretty good set of test equipment and would be happy to test the tiny SA for you. Am particularly interested in the minimum bandwidth as someone else here mentioned to look at
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Gary W9TD
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#12954
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Re: Screen issue on NanoVNA-H4
#nanovna-h4
Will do that tomorrow!! Thanks for the help! Well appreciated.
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Toontje <ton@...>
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#12953
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
In 0.8.4.4 i only change IF to 8kHz Other changes only for H4 (H version can`t fast process DSP in 64bit integer, H4 have hardware support for it) PS change 96kHz mode for AIC ADC i will revert (this
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DiSlord
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#12952
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
I have almost any test equipment. Ready to help.
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Aleksander Shalygin
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#12951
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
Hello DiSlord, Yes, you did up to version 0.8.4.3. Unfortunately the version 0.8.4.4 for the -H (not -H4) version is missing. I am very happy with your version, especially for audio measurement (from
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Rudi
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#12950
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Re: OT: looking for testers for a tiny handheld spectrum alayzer
Erik: I had suggested the possibility of such an item (SA with tracking gen) quite some time ago. And, while I'd be very happy to be a "tester", I imagine there are many others who would be better
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Paul Beauvilliers <paul.beauvilliers@...>
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#12949
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Re: NanoVNA firmvare, compiled by DiSlord
#firmware
I also put firmware in file folder /g/nanovna-users/files/Dislord%27s%20Nanovna%20-H%20Firmware
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DiSlord
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#12948
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