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Re: Measuring A Cap
oK, UST TRIED WITH A STIMULUS SPAN OF 3.5 TO 4 MEG. Oops cap lock, anyway. The smith chart curve starts at the far right, short? or open? UG memory again,,, anyway the curve starts at the far right,
By Joe WB9SBD · #26974 ·
Re: Proper way to measure length of _Window_Line_?
Then hook that twinlead up directly and go for it. That's pretty cool. I thought I had some 300 ohm twinlead in the garage, and I was going to do some tests with transformer and not, etc.? But I
By Jim Lux · #26973 ·
Re: Measuring A Cap
You're not the only one. Oh wait, what were we talking about? Max
By Max · #26972 ·
Re: Measuring A Cap
I am sorry that I asked that question again. I'm Old, The Brain is failing. I am lucky when i go to the basement to get a tool, to be able to remember what tool I went down there to get. Sorry, Joe
By Joe WB9SBD · #26971 ·
Re: Measuring A Cap
Here is a previous post where I show how to measure a 365 pF cap in this frequency range.... /g/nanovna-users/message/25725 This post was a response to this post >>
By Roger Need · #26970 ·
Re: Getting return loss #programming
Larry - The SAA2 binary protocol is described in this document.... http://uglyduck.vajn.icu/PDF/vna/NanoVNA_GUI_UG1101.pdf Roger
By Roger Need · #26969 ·
Re: Measuring A Cap
It's best to measure the capacitor at the frequency of interest, especially as that frequency increases. For a "sticker value", use a low frequency - 1 MHz or less. As the frequency increases,
By W0LEV · #26968 ·
Re: Proper way to measure length of _Window_Line_?
Jim - DiSlord has added the capability to change the system impedance for measurements in his recent firmware. It is under the Display menu.. Roger
By Roger Need · #26967 ·
Re: NanoSaver on ubuntu- mint
I'm sorry, I do not understand what you are trying to say. You expect for NanoVNASaver to start on its own when you plug in the NanoVNA?
By Dragan Milivojevic · #26966 ·
Re: Getting return loss #programming
If you're new to the Nanovna, please read the beginners guide in the files section. There are other reference guides there too.? I wrote a? console command guide that explains all the serial (usb)
By Larry Rothman · #26965 ·
Re: Proper way to measure length of _Window_Line_?
Not really - there's two aspects to this: 1) Different characteristic impedance - You could calibrate with 300 ohm load, short, and open and directly measure 300 ohm lines (or 75 ohm lines, etc.)?
By Jim Lux · #26964 ·
Re: Unit Won't turn on after charging
OK, I will try this. Thanks for all your help.
By Brady Nelson · #26963 ·
Measuring A Cap
What is a typical stimulus range for measuring a Cap? If it makes any difference it is a 500pf cap, and is used between 3.5 and 4 Mhz. Should I set the stimulus rage for those values? And the
By Joe WB9SBD · #26962 ·
Re: Proper way to measure length of _Window_Line_?
Do I understand this correctly from this discussion? For every Zo a balun or transformer is required for that specific Zo? One for 100 ohm cat 5, one for 300 ohm TV twin lead, another for 600 ohm
By WB2UAQ · #26961 ·
Re: New H4 User and PC Software Question
My copy of "Electronic Applications of the Smith Chart" is from the re-publisher Krieger (they're in town, so it was new, but "damaged" surplus), my Terman is third edition, and my Smith charts are an
By montanaaardvark · #26960 ·
Re: New H4 User and PC Software Question
Sounds like we¡¯re from the same era! Gene K1AVE (1956) Sent: Sunday, February 20, 2022 8:47 AM To: [email protected]<mailto:[email protected]> Subject: Re: [nanovna-users] New H4 User
By Gene - K1AVE · #26959 ·
Re: New H4 User and PC Software Question
Bob, as Larry wrote, please use the mouse buttons on the graphical interface when using the NanoVNA App. This will give you more setting options. Unfortunately, you can't read much more on my website
By HA3HZ · #26958 ·
Re: New H4 User and PC Software Question
I still have my laminated Smith Chart that you can draw on with grease pencil or erasable marker. I also have a copy of Smith's book, bought from Smith himself. With that, my Dietzgen slide rule, my
By Donald S Brant Jr · #26957 ·
Re: Getting return loss #programming
Zahid, There have been many messages regarding return loo in the forum.? You should be able to use the search function and search for "return loss" and you will find a lot of info that has been
By Larry Rothman · #26956 ·
Getting return loss #programming
Hi, I'm new to nanovna, I want to use it to get the return loss. How can I get it? I'm using c# and rs232 communication. Thanks, Zahi
By zahi666@... · #26955 ·