开云体育

09:33 Sun 25 Aug 19 , Andy G0FTD via Groups.Io wrote: Do you mean the toolchain? Yes, just follow README.md, arm-none-eabi-* is what you need Under debian you can found dfu-util package, this one:

Mike, Yup, your right, thanks for the corrections. And for the report. I just wanted to emphasize that it's not so simple to distinguish good from bad, which seems to be on the minds of many here. And

Probably not. The last I heard Hugen was only selling via Alibaba sites: chinese language Taobao.com and international Alibaba.com. Not necessarily a bad clone of course. Mike

Is it one of the Hugen good ones?

Before I joined this group and before I knew anything about Hugen, I bought the attached from ST-EC. How does one tell a good black one from a bad black one?

Fun puzzles. Casual users just wanting to check an antenna or measure a filter with their nanoVNA need not worry about these inner workings. I mentioned the script from Jeff in posts 1307 and 1311,

Hi Jerry If you re-read my first message (which was included below the text of my second email and is still present at the end if this one) you'll see I acknowledged that I may have been lucky in the

Are there any Linux based tools available ? Is there anyway to upload the .DFU files to the device on Linux ? I use Linux Mint 18.3 here, or Raspbian Linux. Also, has any supplier only sent out a

I think I have all three. A good Black one with shielding that has 80 dB dynamic range on the low end and 60 dB on the high end. A White one without shielding that has 70 dB on the low end and 50 dB

Hi Hans. I have a copy of the original page from the magazine. I can try to do a scan for a pdf. However, the main figure that is fundamental to the article is in my prior message post as a LT Spice

There's a bunch of different manufacturers making clones. Seems dangerous to make blanket statements about performance on the basis of screened (shielded) vs unscreened or black vs white. Perhaps

Hi Jerry, Regarding any questions you have regarding the Matlab function I posted for S11 correction, if you were to post them in that original thread, I would be happy to try to answer them. Best,

Looking at this again in the morning after a cup of coffee, they're all just values for Gamma, the reflection coefficient. Pass this function the three Gamma's obtained from the calibration set plus

As noted in my previous post, my unscreened NanoVNA seems to perform marginally better than my screened sample in terms of noise & internal crosstalk. As I no longer have access to an anechoic chamber

That article is not quite available, the figures are all missing. Do you have some archival address available for the Dunbar article? >

Bought mine from https://www.alibaba.com/product-detail/Original-2-8-Touchscreen-50KHz-900MHz_62232701280.html as per Hugen's recommendation, a week ago. 60usd incl shipping. Shipped via DHL, and DHL

That RF and Microwave article on the Wheatstone Bridge that Alan cited is indeed excellent. It can be found on the mwrf website:

No prob

I have used a similar switch and it should be better. https://lcsc.com/product-detail/Multi-Directional-Switches_Korean-Hroparts-Elec-K1-1502SA-02_C128929.html

Printed it, fits well for my version. Thanks, HexAndFlex! 73 Mike AF7KR