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Wow. Did you do that with any averaging enabled, or is that just that you have a very good device? -- Rune / 5Q5R [email protected]> wrote:

Hello Hans-Peter, you're right: The algorithm assumes that the first -3dB point it finds is the -3dB point of the filter. I'm not certain what's a good and generic way to avoid this to allow filters

Attached is the print screen of the 50 Ohm load?sweep up to 1.4 GHz 73 de YO4AUL

Did you tried NanoVNA-Q firmware? It should fix that. I also working on further improvement, but don't know if I will complete it because si5351 has complicated behavior when you trying to use it up

Hi Larry, I still keep trying , still no luck, running on Windows10. The devicve manager shows the device is connected to Com11, NanoVNA-Saver connects it on Com11 , no problem at all, runs fine. When

No don't, I found it really useful for checking an ADS-B RX antenna at 1090MHz. (jpole with 1/4-3/4 wave balun and shorted 1/4 wave stub filter for rtl-sdr dongle)) See attached. That output was with

1Hz, wow, that's pretty cool. I won't write off an upgrade in the future then. 73 de Andy

QRP firmware can set 1Hz steps https://github.com/qrp73/NanoVNA-Q/releases

Hi Andy, it does. Down to 1Hz, I believe? -- Rune / 5Q5R [email protected]> wrote:

Hello Hans-Peter, you're right: The algorithm assumes that the first -3dB point it finds is the -3dB point of the filter. I'm not certain what's a good and generic way to avoid this to allow filters

All nanoVNA use the internal SI5351 outside the formal supported spec. e.g. upto 300MHz in fundamental mode. Above 300MHz it switches to harmonics mode (till 900 MHz) and even further harmonics modes

Please see the attached pictures. The one in the case I am calling the good one the other one has issues. 1. Spur on display around 300MHz. This appears to change and amplitude but is always there. 2.

Hello Rune, First of all many thanks for this great software! Maybe you can watch the bandwidth calculation again. A ripple on a bandpass does not capture the filter width correctly. In the attachment

F-2 might be a nice instrument to wait for... hopefully w/full 4 port setup extended f range and the larger display. Really I think there are solutions for the current display issue including the

I for one would like to see options to hack in a larger screen. Even one the size of the screen used on the HP/Agilent/Keysight HP8753D. It would be great to be able to turn one of these into a bench

Mine appears to be 100Hz steps. Test method, use receiver, listen to span set for 300Hz and I can hear 3 distinct tones. Does the newer firmware use lower steps ? 73 de Andy

I've been trying to get this working - keeps coming back and saying the ID doesn't match even though it does.? Since the last commit to this was several years ago - there is most likely some bugs

If you are using original firmware and touchscreen control, then this map shows where to set START and STOP frequencies (under STIMULUS) http://ormpoa.altervista.org/Hnano.htm These settings can be

I ordered a set of attenuators on Ebay. Logarithmic and linear... I'm not at home right now but when I get back, I'll try it on the computer.

Thanks everyone for the info. I have what appears to be a two trace version, 900Mhz, and to be honest it appears to be satisfactory. No crashes etc. Although there is one thing that I have not yet