Re: NanoVNA as a Signal Generator
1. The nanovna will not work well as a signal sweep generator for at least two reasons: a) as noted in a previous response, it's output is not a continuous sweep, and b) it outputs a square wave, not
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Stan Dye
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#26045
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Re: Quick question
I did read that. Since the system says June or July of this year, I thought that could be the case. I have 1.069 running on two SAA-2N units, will the latest you've done possible work on them? I
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Tim K4SHF
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#26044
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Re: Quick question
In fw release at bottom of topic i write !!!! V2Plus4 firmware work only on old V2Plus4 devices, new V2Plus4 devices have different LCD module not supported by this fw. As last V2Plus4 sources
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DiSlord
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#26043
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Re: 2 quick questions
Thank you! That is what I was planning on doing, unfortunately no access to lab grade loads. I'll have to do the best I can... Tim K4SHF wrote:
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Tim K4SHF
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#26042
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Re: NanoVNA as a Signal Generator
Another reason to include a high value series resistor (high, meaning a few thousand ohms) is to reduce the load placed on the circuit under test by the signal injection probe. The impedance looking
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David McQuate
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#26041
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Re: 2 quick questions
I would use a known-good set of calibration standards to calibrate the VNA, then measure the other standards to judge their quality. On a related subject, measuring a load or other calibration
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Donald S Brant Jr
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#26040
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Re: NanoVNA as a Signal Generator
ONE CAUTION: You are using a decoupling capacitor. If you are coupling to anything like vacuum tube circuits with high voltages, the spike which occurs when you initially connect the "test end" of the
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W0LEV
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#26039
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NanoVNA as a Signal Generator
Coming along nicely here, but here are some questions that might need answers or indicate a need for more research: 1. One of the roles i am hoping the nanoVNA will fill is that of signal generator. I
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N5SE
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#26038
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Re: Quick question
Thanks!
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Tim K4SHF
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#26037
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Re: Quick question
Hi Tim, Better to post this on "[email protected]" I hope you get the right answer. Guido on7ch
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Guido ON7CH
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#26036
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Re: Here's a Holiday Present for Users of all the nanoVNA Firmware Updates Developed by DiSlord !!
#specifications
#firmware
#features
#improvement
Top Larry !! Happy Christmas and NY JP
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Jempi ( ON7MA )
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#26035
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Re: Here's a Holiday Present for Users of all the nanoVNA Firmware Updates Developed by DiSlord !!
#specifications
#firmware
#features
#improvement
"The envelope please." You forgot the holes for my notebook. (just kidding) GREAT JOB. Full thanks for sure. Mike C. ?? <snip>
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Mike C.
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#26034
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Re: 2 quick questions
Thanks! I'll take a look...
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Tim K4SHF
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#26033
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Re: 2 quick questions
Dynamic range: After a cal and with nothing connected and at the frequency(ies) of interest, what is the displayed noise floor? That will give you a good idea of your dynamic range. Dave - W?LEV --
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W0LEV
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#26032
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2 quick questions
I have several sets of calibration loads, I'm curious as to how good they are. To characterize the unused ones, is that as simple as using one set to calibrate and then measuring the rest? I'm not
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Tim K4SHF
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#26031
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Re: No usb connection
Hi Antonio Greetings from New ZealandIf I am reading your post correctly, you changed a comma to a full stop to get your nano working on Win 10? My nano already works on win 10, but does not work on
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joe bell <joe.g4pmy@...>
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#26030
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Re: VNA
Check that the screen bezel is not compressing the edge of the touch screen. Mine had this problem. Terry Bullett W?ASP tbullett@... Life is Complex. It has Real and Imaginary parts.
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Terry Bullett
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#26029
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Re: VNA
Have you made the calibration of "Touch Cal" and the "Touch Test"? Antonio - EA7HJ
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EA7HJ - Antonio
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#26028
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Re: NanoVNA v1.1.00 fw pack for all H / H4 / LiteVNA / V2 / V2Plus / V2Plus4
#firmware
DiSlord, FYI - It looks like you've reached the maximum you're allowed to receive via PayPal with your current account settings. Until fixed, no one can send you any more money.
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Mike Allred
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#26027
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VNA
I recently purchased a NanoVNA-H4 from a dealer at a local hamfest. I have found that the touch screen is intermittent making it almost impossible to use the menu. Has anyone found a fix or suggestion
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k4byf@...
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#26026
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