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Re: Measure Crystal Characteristics Automatically Using a NanoVNA #xtals
Thanks, Herb! Crystals are one of my interests. I tried running it with Python2.x and 3.x, it apparently requires Python3.7. Haven't tried actually measuring a crystal with it yet, but this works,
By Jim Allyn - N7JA · #13882 ·
Re: NooElec 1:9 balun #test-jig
Hello Roger, Thank you very much for your quick answer. My answers are in your text: I was my understanding, that the calibration will give at the end of the 50 cm RG-316 cable nominal 50 Ohm
By Rudi · #13881 ·
Re: What apps use Touchstone files? #applications
Some free tools to analyze Touchstone files... https://www.rfpage.com/free-tools-to-analyze-and-plot-s-parameters-file/ Roger
By Roger Need · #13880 ·
Re: What apps use Touchstone files? #applications
They can also be imported into a spreadsheet very easily. I have done that for making plots and doing calculations based on the data. Roger
By Roger Need · #13879 ·
Re: NooElec 1:9 balun #test-jig
When you replace a 50 ohm resistor load with the RG-316 cable connected to the nanoVNA you no longer have a 50 ohm resistive load. This is due to two factors: - RG-316 cable is only specified as a
By Roger Need · #13878 ·
Re: What apps use Touchstone files? #applications
RFSim99 can also handle Touchstone device definitions. Jose, CO2JA
By Jose Amador · #13877 ·
Re: NooElec 1:9 balun #test-jig
I am testing the NooElec 1:9 balun V1.0. When I measure the S11 Return Loss, see NooElec_Balun_9-1_S11_Return-Loss.png, it behaves like the original curve
By Rudi · #13876 ·
Re: What apps use Touchstone files? #applications
The only programs I have used touchstone files with is Keysight ADS and MATLAB. However, they're usually just formatted ASCII so I would be surprised if no one else had made a parser for them.
By Jacob - W4IPA · #13875 ·
Nanovna-H4 Output Shuts off after Cal #calibration
Sorta new to the nanovna, used it on two antenna projects this past weekend. When I run through the calibration process, when I click the Done or Back menu options the output turns off. It'll stay on
By Mark Schoonover · #13874 ·
Re: What apps use Touchstone files? #applications
I worked with Touchstone some 40+ years ago. Les Besser originated this early microwave computer modeling/analysis application of which Touchstone was his major contribution. Of course, in its day, it
By W0LEV · #13873 ·
Re: What apps use Touchstone files? #applications
Information about Touchstone file format https://en.wikipedia.org/wiki/Touchstone_file Touchstone? File Format Specification Version 2.0 http://www.ibis.org/touchstone_ver2.0/touchstone_ver2_0.pdf PS
By DiSlord · #13872 ·
Re: Measure Crystal Characteristics Automatically Using a NanoVNA #xtals
Looks interesting, I'll need to spend a little time figuring out how to get it to run. I pulled the files and spent a few minutes with it this morning, but couldn't get it to play (yet). I'm really a
By Bill Buoy - N5BIA · #13871 ·
Re: What apps use Touchstone files? #applications
Touchstone is a file format that provides a standardized way for programs to output S parameters (S11, S21) so they can be read by other programs. The extension can be .s1p, .s2p etc. There are many
By Roger Need · #13870 ·
Re: What apps use Touchstone files? #applications
SimSmith
By Dragan Milivojevic · #13869 ·
Re: What apps use Touchstone files? #applications
I¡¯ve never heard of this software before. What is it and how does it apply to the use of a VNA in general? Thanks in advance. 73, Tony VE3DWI. [email protected]> wrote:
By Tony. VE3DWI · #13868 ·
Re: Test fixture question
It looks wonderful, Just a tip In my experience with this type of test jigs, when using the transformer configuration it is better to add some attenuation at the input and output (3-6 dB), this
By EB4APL · #13867 ·
What apps use Touchstone files? #applications
I used to use Touchstone many, many years ago. It was a great program. I haven't worked with S parameters for a long time so I'm out of touch with the currently available applications. What current
By warnergt@... · #13866 ·
Re: Review of S-A-A-2 #nanovna-v2
Hello Luis, yes, with battery in place. That's why I was worried that it will drain it. But after a few seconds the LEDs went off anyway. This makes me wait each time before putting it into the box -
By mcebokli@... · #13865 ·
Re: Test fixture question
Looks very good ! Op 27-5-2020 om 06:19 schreef Bill Buoy:
By Jos Stevens · #13864 ·
Re: Test fixture question
Test fixture progress update: The prototype boards arrived late last week. The components had arrived the week before, so between Memorial Day visits with the family and watching the local events, I
By Bill Buoy - N5BIA · #13863 ·