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Erik Congrats with your Call 73's Erik ON8DC

Rather than larger, I was hoping for wireless (Bluetooth), perhaps by ESP32, using a smartphone or tablet for display and complex calculations without USB and ground loop concerns.

Hello, Allow us, please, to inform you that, after: [15] : /g/nanovna-users/message/3147 we just uploaded our well-formed mathematical expressions of full-one port vna measurements

I'm talking about OUTPUT impedance of CH0 (don't confuse with INPUT impedance). I didn't hear that it is possible to measure output impendance with another VNA :) You're needs to measure amplitude on

I understand and thank you for answering.

In order to measure source impedance, you're needs to measure amplitude for different loads. Since many RF PA cannot handle open output properly you will need to use two different loads which

Never mind, figured it out. THanks if you looked!

Try this one: https://www.rtl-sdr.com/forum/viewtopic.php?f=4&t=4881 I also have more fresh with fixed some bugs and TDR screens.TDR VSWR works great, but TDR Z (step response) still not works

Thanks Neil. I downloaded 1.03 and everything seems to work except the smith chart won't draw on my PC. Data comes in on all modes. Is there an install process. BTW, I was in the process of designing

It is a screen protector that prevents the screen from getting scratched during assembly/storage, etc. peel it off if you want to

That green tab might be to disable the battery during shipping?? Sent using https://www.zoho.com/mail/ ---- On Thu, 26 Sep 2019 17:00:15 -0400 mike watts via Groups.Io <wy6k@...>

Mike, It's probably the cheap screen protector that's on it. Dave-KB1PVH Sent from my Galaxy S9 [email protected]> wrote:

My unit arrived with a small green plastic tab sticking out the top near the left side.? What is that all about?? Do I remove it? Mike WY6K "... somewhere in the distance, there's a tower and a

No, it is impossible, because NanoVNA uses much more slow CPU with much less memory. EU1KY uses hardware with powerful STM32F746G processor working at 216 MHz with high performance DSP core, 340 kB

Current NanoVNA TDR implementation is almost useless, because it shows time with 1 nanosecond resolution. I experimented with different FFT sizes and it looks that 65536 has the best resolution for

One thing I noticed about the screenshot attached to the first post, is the TDR function seems to involve some human interaction. The first peak is a false positive and the cursor at the second peak

Hello, Allow us, please, to inform you that we just uploaded the following two, very rare, references: [1] Richard H. Hackborn, "An Automatic Network Analyzer System", Microwave Journal, May 1968,

Please be specific. I have no time to study the differences

drkirkby@...> wrote: This one is just ?0.01 extra, from the same place, https://uk.rs-online.com/web/p/lithium-rechargeable-batteries/1445690/ but 3.45 Ah. Based on someone

More time domain samples will not provide better resolution because of the upper frequency limit. However, if the UI allowed picking a peak on the time domain display, one could window that in time,