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There has been considerable discussion lately on how to measure resistors, inductors and capacitors using the NanoVNA. In particular measurement errors of these components seems to be a topic of

The following files and folders have been uploaded to the Files area of the [email protected] group. * /menu maps/nVNA-H4 v4.3_MS, firmware 1.1, Menu Items & Descriptions 0110..zip (

If there are no black dots, I'd say it's likely a matter of by guess and by gosh. Simple, no?

Tom, Thank you for posting about your NanoVNA tweezers. I downloaded the zip file and looked at your measurements of SMD capacitors and inductors. The plots and tables show some very accurate results

Think you mean *tinySA*, /not/ tinyVNA. (See /g/tinysa and https://tinysa.org/wiki/) Good luck chasing the QRM. HTH, 73, Robin, G8DQX

I've done ok with clip leads, and taped them to the bench top, so that the spacin

My 2-cents: Clip leads with proper calibration and attention to mechanical detail can be used successfully at HF frequencies. From experience I would put an upper limit on that of 30 MHz. Beyond that,

Thank you for that information Tom. I have received a fair bit of negative push back regarding my YouTube videos showing the use of alligator clip leads for testing discrete components. My latest

You must understand in TDR mode resolution depend from start/stop and points count So if you look at bottom you can see max range. Resolution max range / points count Example stop start 10M - 200M and

Hi Gregg, I have used my nanoVNA tweezers successfully for testing toroid inductors by temporarily inserting the inductor leads through tenth inch grid prototype PCB stock. The grid holes hold the

All the valid points and suggestions (tinyVNA, SDR, cheap receiver), just to add WHY nanonVNA is not a valid solution :) Those three above "listen" to the signal and show something on screen are

Rich I did some 2 port measurements on inductors and capacitors in this video. Perhaps this might give you some ideas to get started? https://youtube.com/channel/UCR0GFp2dJHggDkYE930FLjw -- VE6WGM

https://youtu.be/Y2_aytTVvFw -- VE6WGM

First: for the application in the uBITX the 2 dB dip is no problem. But if you want to try and improve, change the number of turns (up or down) on L5 AND L7 and try tuning the capacitors again. If the

Think i'll go the SDR way as i allready have one. Now just getting/making a directional antenna. My son had brought his world receiver about a month ago and the interference is all over the

I read about i think the tinyVNA. Don't know the differences between the two. I bought my nanoVNA to tune the SWR of my antenna. Now i'm discovering other possibilties.

Here's a spreadsheet that shows how the source and RxLO PLLs are programmed to use different harmonics.?? I've also included \the source code from si5351.c that actually implements it. You can enter

It's not done with digital filters, it's done with clever choice of harmonics for the receiver LO. The analog and digital bandwidth of the receiver is less than 1 kHz. The transmit signal has

Please disregard my previous post. I found the answer.

I'm just learning about the Nano-VNA; I don't actually own one yet. I understand that the source is a square wave, which contains odd-order harmonics. Suppose I want to measure return loss on some