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Re: Correction of error introduce by a transmission line connect to the VNA port 1
Hello Roger, I have two coaxial cables that came with the NanoVNA. I cut one of them to make the solder. I use the cable I didn't cut to do the calibration and after connecting the one I cut, I
By Diane BONKOUNGOU <dianebonk2@...> · #28862 ·
checking inductance
Its a fact, that inductance value, vary according to frequency. How does the nanovna measure ? Does it use the saved selected frequency range inside the nano ?
By Observer · #28861 ·
Re: missing sma #adapters
yes, I do have the female to female . I was to quick to assume I had something missing. And, yes, I am following that Absolute Beginners manual . Some slight insignificant differences in software.
By Observer · #28860 ·
Re: Common ground and 2-port measuring
Hi Victor, Interesting reading about cmc models and ways of establishing by measurements and maths of obtaining values for the various elements of the models form the links you provided, thanks.
By Ed G8FAX · #28859 ·
Re: LogMag and SWR
My quick notes about used foumulas in NanoVNA
By DiSlord · #28858 ·
Re: LogMag and SWR
Hello I saw and verified that we can recalculate all the parameters from S11. Can you explain to me : - What is the native measurement performed at the bridge level - What is the first parameter
By F1AMM <18471@...> · #28857 ·
Re: #calibration Calibrating tools for UFL or SWF? #calibration
Greetings, You may need a few adapters.MURATA MM126056 SWD / SWF TEST PROBE TO SMA FEMALE RF ADAPTOR fd5g59 | eBay | | | | ?50.00 | | | | | | | MURATA MM126056 SWD / SWF TEST PROBE TO SMA FEMALE RF
By Chris Gardner · #28856 ·
Re: #calibration Calibrating tools for UFL or SWF? #calibration
Very unlikely.? ? If you mate and remove a UFL about a dozen times, it no longer makes a good repeatable connection.? ?Really a connector designed to be used once during the assembly of a
By KENT BRITAIN · #28855 ·
#calibration Calibrating tools for UFL or SWF? #calibration
Hello. I bought NanoVNA V2 Plus 4 Pro from tindle webpage. In the package, I got cables and SMA calibration kit (4pcs). But this calibration kit is for SMA cables;
By Josele · #28854 ·
Re: missing sma #adapters
You should also have a barrel connector (threaded on both ends) to connect the cables together for the calibration through test. As a new user you should read the Absolute Beginners Guide to the
By Roger Need · #28853 ·
Re: LogMag and SWR
Yes side-by-side as you put it.. The NanoVNA is calculating all the parameters (SWR, Return Loss (logmag format) and impedance (R, X) from the same scanned measurements. If your return loss is 14 dB
By Roger Need · #28852 ·
LogMag and SWR
Good day. I'm fairly new to both amateur radio and this marvelous device, the NanoVNA H4 v4.3 sold by Seesii on Amazon.ca I find tuning my many inverted V antennas using a manual tuner extremely
By cariboome@... · #28851 ·
Re: Using VNA to test NFC tags
On 7/17/22 6:17 AM, Larry Martin wrote: > I work with RFID/NFC at 13.56 MHz, and have been using my NanoVNA with a nonresonant loop to check the resonant frequency of HF tags. I'm wondering if the
By Jim Lux · #28850 ·
Re: Antenna VNA comparison with manufacturer
Try placing the antenna in a different location.... far away from anything metal/magnetic... - such items could be detuning the antenna... also, try using a longer test cable, so as to keep the VNA
By Brian · #28849 ·
Re: missing sma #adapters
By Richard Spohn · #28848 ·
Re: missing sma #adapters
another silly mistake ! I didnt realise that the short circuit cap is actually screwed in on the Ch0 and CH1 !!!
By Observer · #28847 ·
Using VNA to test NFC tags
I work with RFID/NFC at 13.56 MHz, and have been using my NanoVNA with a nonresonant loop to check the resonant frequency of HF tags. I'm wondering if the radio experts here can tell me if other
By Larry Martin <larry@...> · #28846 ·
Re: missing sma #adapters
Hi, Check what you ordered, what should have been included, parts might be missing. Typically, 4 calibration components supplied with the nanoVNA. If this is not a supply problem, calibration kits are
By Ed G8FAX · #28845 ·
Re: missing sma #adapters
You may decide that for yourself. Anything goes. :-) Op 17-7-2022 om 09:38 schreef Observer:
By Arie Kleingeld PA3A · #28844 ·
missing sma #adapters
My newly received nanovna, has only two test connectors, plus two leads and the pen. Do they expect me to make the missing short circuit connector, myself ? It may seem a silly question, but, I am a
By Observer · #28843 ·