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Best results are to terminate both channels with a good 50-ohm load. However, this afternoon, I went through the full cal for other purposes and got -90 dB on return loss measurement to about 50 MHz

is correct if you only have one 50 ohm load .. If, on the other hand, you have two 50 Ohm loads, it is right to load both ch0 and ch1 with a 50 Ohm load. -- *73, Lucio I0LYL Rome, Italy*

Hi all am i correct in thinking that when i get to do the isolation cal,i put a 50 ohm load on ch1 and leave ch0 open?,just to clarifie,cheers all in advance.73

Dave, next time, just try using courier fixed font for any tables. I find that usually works well.? On Sun, 16 Feb 2020 at 5:37 PM, David Eckhardt<davearea51a@...> wrote: Let's just try a PDF

Let's just try a PDF attachment. See attachment. Dave - W ?LEV wrote:

If the group.io messes with the formatting (which it likely did....grrrrrrrr.....grrrrrr), can I attach an MS Word document??? Dave - W?LEV [email protected]> wrote:

OK.....I just had to do it. NANOVNA-F measured data compared to the HP 8753C measured data. Subjects are: 1) 220-ohm 1/8-watt 10 % 2) 470-ohm 1/8-watt 5 % Both VNA's were calibrated SOL. Measurements

I removed the comma from the end of the message link below. It works now.? On Sun, 16 Feb 2020 at 4:39 PM, hwalker<herbwalker2476@...> wrote: ? I agree with Kurt that the NanoVNA's

I agree with Kurt that the NanoVNA's inaccuracies above 300 ohms are not that bad. I had the same frustrations with an HP Agilent 8753C Network Analyzer with 85046A S-Parameter Test Set. Once you get

Since my phone has a MicroUSB,. I just ordered this one. If it works, then I may try to find a way to update the wiki (?) so others can have one to go to directly. USB C to Micro USB OTG Cable,

Hi WB2UAQ I do not agree the NanoVNA is that bad but rather think you measurement setup is bad and for tht ametter the calibration. You might forget that if you read the R+jX with the NanoVNA the

Yes, but I used this one https://www.amazon.com/gp/product/B07QKWKBQC/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1 As it also can power the attached device (NanoVNA)

There are a few reasons why the NanoVNA is not that accurate for high impedance. 1. The resistive bridge doesn't do a great job at exploiting the dynamic range of the SA612 mixer. The maximum input

On Sun, Feb 16, 2020 at 08:14 AM, Kayak wrote: just ordered a "ugreen" otg cable from amazon. It is micro-usb to usb-a female, into that I guess I plug the usb C cable from the nano

will this cable, if used with the usb-c cable that came with my nano-vna-h, allow OTG communication? https://amazon.com/gp/product/B00LN3LQKQ

interesting and something to keep a look out for. I ordered one from amazon and I can plug the phone's regular micro-usb cable into it. come to think, maybe that wont work... jeez... as to your RFI

Correct me if I am wrong, Once calibrated with those 259's than it should't matter ???

thank you just ordered a "ugreen" otg cable from amazon. It is micro-usb to usb-a female, into that I guess I plug the usb C cable from the nano

Thanks to Larry for getting me the AA flash. I was pleasantly surprised to see how well this little box works, The readings after calibration were dead on the money. Very glad I did not toss it in the

I found that above 300 ohms or so the nano has trouble with accuracy. I used a GR-1606-A to measure an impedance and then compared that to the nano and as the Z got higher the accuracy diminished.