Alligator Test Leads and the NanoVNA
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- Опубликовано: 15 окт 2024
- In this comprehensive step-by-step tutorial, we will show the NanoVNA calibration using non-standard test leads. We will guide you through each calibration process in a clear and concise manner, ensuring a thorough understanding of this vital aspect. By the end of this tutorial, you'll be equipped with the knowledge and skills necessary to perform accurate and reliable calibrations on your NanoVNA. Stay tuned for insightful tips, common pitfalls to avoid, and hands-on demonstrations. Get ready to take your NanoVNA calibration skills to the next level!
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I really need to spend some time with my vna. Thanks for sharing.
I keep one on the night stand
@@TheSmokinApe Please don't share the Smith chart trace from that one 🤮
Another 11:25 to add to my CE credits; thanks Ape.
LOL, thanks for watching Bob!
Great video! The first thing I do with those alligator clip test leads is remove the hoods and see if the wire is actually soldered to the connector. Many of them just have the wire folded back and pushed under the strain relief tabs. I have had janky test leads give me bad readings more than once!
Not a bad idea, thanks for watching SF
Thank you, thank you, thank you. I'm making a J-pole for gmrs and haven't been moving my reference point when using a jumper to hook to the antenna and it's been driving me crazy. This helped me tremendously. Again, thank you
Awesome HT, glad it was helpful 👍
Great video! Great channel!! Thanks for posting these videos. They are very helpful😊
Thanks Francis, glad you like them 👍
Good info Ape! Thanks man!!
Any time!
thank you, excellent demo
Thanks Terry 👍
great thank you, love your vna vids!
Glad you like them!
@@TheSmokinApe may i ask you something basic ... sorry ... if i do measurements with nanovna-saver i load my calibration file which i have saved on my pc, do i need to load the calibration on the device (nanovna) also or i just do a reset to clean up everything and only work with the saver-software? or do i have to load on both sides the calibration? thank you!
Measurement 101 - if you have a ruler that tells you a centimeter is an inch don't be upset when you are short . Thanks for sharing !
Wise words to live by, thanks for watching SC
That was extremely useful thank you for putting this together for us.
I'm wondering if you could use these janky cables to map the impedance characteristics of a random wire antenna before you mate it up to a matching transformer.
Hey Tom, if I wanted to measure the wire characteristics, I would solder the end to a pl259 bulkhead connector and then connect that to the NanoVNA 👍
nice job. would only use them test leads for low frequency. same with that load resistor. you could have just clip to a 50 ohm dummy load . would only be slightly better . just moving around would change readings on un shielded leads . still will work good enough to test them chokes . now we know the effect of them leads we can take that part into the reading from the choke under test. 73's
Yeah, not the idea setup but it should get you in the ball park. Thanks for watching Robert 👍
👍Thank you sir.
You are welcome
Awesomeness! I was wondering if the cable location and the items surrounding them would make a difference as well. I need to use my vna more.
Also what's the difference between a nano vna and a lite vna?
The LiteVNA is a newer NanoVNA version
Can you tell if the BNC plugs on your leads are 50 ohm or 75 ohm plugs. 🙂 Thanks again for a good video.
What you can do is ask the seller and cross your fingers
This has replaced the bikini wearing girl that was bow fishing on a boat as my favorite RUclips video of all time.. well done 👍
Well almost, but I’m with you.
lol, thanks Other Andy 👍
You should get out more 😉
@@bob_mosavo I do pota does that count 😆
@@AndyAAzeroAM Do more POTAs, a lot more 🙃
Cool stuff. Does AI write your video descriptions?
I did start using a YT AI tool for help with the descriptions 👍
Just curious as I don’t have a Nano, And use a Hp89441a… But doesn’t moving those cables around like that or wrapped around each other affect readings, and shouldn’t they be taped down to the table?… Love the vids man, Not a Ham, but is quite helpful in electronics.
Yeah, taping them would have been a good idea 👍
Hey guy it you were going to recommend a handheld ham radio.
What would that recommendment be.
Hey Ed, I'd say take a look at the Yaesu line of HTs.
Thank you so much for all your excellent informative videos.. I have the H4 version.. Could you tell me what size/type of micro SD card to use, and how would it be formatted?.. Thank you.. 73.. G4EIJ
I believe it's 32GB and needs to be formatted with FAT. Glad you like the videos...
@@TheSmokinApe many thanks..
Those "janky" test leads bring back nightmares from EE labs!!!
lol, I bet 👍
@@TheSmokinApe Yes, back in the day when men were men and the oscilloscopes glowed with green phosphor 😎
How do you connect the NANO VNA to your computer?
Is my 3 year old NANO to old?
It should have come with a USB-C cable, all of the ones I have seen connect like that 👍
👍
Thanks!
When you move the leads somtimes you can see differences.
Perhaps the results will be better with shorter testleads (especially shorter black and red testleads).
Totally agree with all of that, thanks for the comment Jan 👍
Who you calling Son? 😂 Seems like the wire round resistors alleviated some of the capacitance from the janky led cables. You could probably take a small PCB board and solder a few ceramic resistors for a cleaner load test. As for the cables, well I think you already know what. you need to do about them.
Hey GRV, I should prolly do something. Thanks for watching...
Now.. listen here son
You damn right🍻