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#50 : The Full Final Report 1 : - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Nominal Values Zinp = ( Rinp , Xinp ) of our Standard [ref2007box], in terms of frequency, using [NanoVNA] and

Well, Wes, to be honest, I don't have plans to put those resistors into mine Nano, because I don't posses any host with USB-C socket yet ;-) But I just opened case and must say it would be a paramount

Wes, Thanks for the correction. I don;t knwo the location of the pulldown resistors but do don't plan on using a USB-C to USB-C cable. Mike N2MS

Haven't opened the case yet. Please, which form factor SM 5.1k resistors? Wish I had known this before I put that order in for SMA connectors at Digi-Key.... I hate paying ten bucks shipping for fifty

Just small correction - pulldown 5k1 resistors on NanoVNA socket.

Hi Rune, This note may explain what I mean. http://www.phys.ufl.edu/~majewski/nqr/paper/nqr_detection_educational/series-parallel-impedance-parameters-an.pdf I've got some other info that may be of

Hello Rune, Sorry for the confusion. I found the way to remove the Smith chart display, operator error, hi. Yes, the R & X he asked for is what I use, and the confusion is that the display of that

Right - it doesn't get set immediately when you connect. That's apparently still a bug. But if you enter anything in the frequency input fields, it should still update. :-) -- Rune / 5Q5R

Hi all, I am confused about the remarks as well Rune. The current saver routine displays the Chart, the VSWR plot etc... with the MARKER DATA display providing the R+/- jX values. As well it provides

Forgot the attachment. In both 0.1.3 and 0.1.2 the "Hz/step" field is blank. Prior to 0.1.2 the calculated value was shown in the field. Herb

Hi Herb, I don't see an attachment :-) I have attempted to make the code more resilient to that particular phenomenon, so if you can describe the exact steps that cause it, that would be most

Rune, As usual, kudo's on the latest 0.1.3 update. As I noted on the 0.1.2 update, the "Hz/step" value seems to have gotten lost (blank field), see attached screenshot. - Herb

Hi Mel, I'm not entirely sure what you wanted to say with your comment, which needed to be said, though? Was it related to series R + X, as requested by Martin? I'm not sure where the Smith chart

A standard PC USB HD camera connected to your PC should be able to be re-focused for close-up work.You just need a stand to hold it above the item you're working on.Even the cheap ones from the dollar

The current display is in smith chart with Magnitude and phase, and or on SWR just that, No R and j. R is the resistive component of the signal and j is the computed reactive element in ohms of the

Getting Ft from measured S data is pretty straight forward. The key is you DO NOT NEED TO MEASURE TO THE POINT OF UNITY CURRENT GAIN! Simply take a couple of points say at 10 MHz and 100 MHz. You will

W5DXP wrote: Yeah. Me too. Add in presbyopia to the "et cetera." Which is where soldering a couple of less-than-rice-grain-sized resistors for the USB-C port fix becomes ... problematical. Luckily, I

I have downloaded the NanoVNA WebApp to my Samsung S8 which has a USB C connector. I've read issues about USB C to USB C connection issues without the 5.1k pullup resistors so I want to get a USB-C to

Per the AM Forum site this is the pointer they provided. Not sure if this is the site Warren used.

Part of my problem was that I misremembered the formula. Besides, I have to calibrate my test set.