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Date
Re: Statistics on cal output level #poll-notice
I own two Ultra units.? Both measured the same level of -36.0 dBm on a Siglent scope in FFT spectrum analyzer mode.
By Roger Need · #14145 ·
Re: Statistics on cal output level #poll-notice
Measured -34.8dBm on an old HP-8553B after calibration using the 30MHz CAL output from the HP-8552B IF section.
By n3ae2000 · #14144 ·
Re: SD Card problem
DiSlord re-wrote the original operating system used by the liteVNA64 over a period of months. The revised operating system allows a PC to see the liteVNA64 SD card as an external drive. You might
By hwalker · #14143 ·
Re: SD Card problem
Erik, I like the way in which the SD card is accessible on the Lite_VNA64. No need for touching the card in the device. Hope you may be able to implement the function. Regards, Hans, pa2hbn
By Hans Boon · #14142 ·
Re: SD Card problem
Herb, that is wishful thinking! Ya know that in practice you usually find issues, some can be fixed and some others just can't... For example: "stupid"....
By Dentron · #14141 ·
Re: Statistics on cal output level #poll-notice
I recorded -36.2 dBm on my Anritsu MS2720T. TinySA Ultra was just charged and green LED was showing.
By Otto Schellin · #14140 ·
Re: SD Card problem
Python is a great language to learn for both hobby and business use.? I didn't learn Python until I purchased my first tinySA and now I can at least run any provided script without too much
By hwalker · #14139 ·
Re: Statistics on cal output level #poll-notice
Stuart, In order to perform level calibration at much higher frequencies, the 30MHz calibration output is rich in harmonics and therefore a power meter will not provide an accurate reading for 30MHz (
By hwalker · #14138 ·
Re: SD Card problem
Thanks Herb. But TBH that post might as well have been written in Klingon speak for me. I have no idea about such stuff. For me it would have to be plug and play, click and drag etc. ?Cheers. Peter.
By Prawlin · #14137 ·
Re: Statistics on cal output level #poll-notice
I just measured the calibrator at 30 MHz on my mini ultra using my Mini-Circuits Pwr sens 4GHS USB power meter. Using averaging, it reads -33.32 dBm. This is a very accurate meter. I did not use a
By Stuart Landau · #14136 ·
Re: SD Card problem
The Ultra provides the following console commands for managing files on the SD card from a PC: sd_delete? ? ??usage: sd_delete {filename} sd_list? ? ??? ? ? ? usage: sd_list sd_read? ?
By hwalker · #14135 ·
Re: SD Card problem
Thanks Erik. I¡¯m certain it would be a popular feature if it could ever be developed. As said, micro SD cards are pretty fragile and frequently pulling them isn¡¯t a pleasant experience even when
By Prawlin · #14134 ·
Re: SD Card problem
Thanks all for the feedback. I guess that even if you don't have an Android phone then it might pay to purchase a cheap used one just to use it as an SDCARD formatter ? Useful not only for our Tiny
By Andy G0FTD · #14133 ·
Re: SD Card problem
Not yet -- For more info on the tinySA go to https://tinysa.org/wiki/
By Erik Kaashoek · #14132 ·
Re: SD Card problem
Thanks Andy. A Novel tip, however I¡¯m on Apple phones here ?(no memory card functionality) ?. I do have an old android Lenovo tablet that I rarely use so I might try that? (If I can figure out
By Prawlin · #14131 ·
Re: SD Card problem
Yes Andy, my experience too. Not so much with reformatting in a phone, but with Windows. Windows reads the read only flags on the SD and obeys. Phones, Linux, Media boxes with DVR etc all seem to
By mike · #14130 ·
Re: SD Card problem
Thanks Martin. Luckily I did have a spare uSD 32GB (Kingston make) card lying around. Also it is already formatted as FAT. So I deleted all the files from it, then put it in the TInySA Ultra. Phew! It
By Prawlin · #14129 ·
Re: SD Card problem
I think we have all experienced SD card problems over the years. Sometimes I find reformatting or recovery tools work, but it's still a bit hit and miss if they work. However I have been discovering
By Andy G0FTD · #14128 ·
Re: SD Card problem
I'd try a different card. Unfortunately, uSD cards tend to be pretty fragile and can easily become corrupted. There are various SD card recovery tools (normally used for digital photos), if you want
By Martin · #14127 ·
SD Card problem
Hi. Help please. I¡¯ve had my genuine Tiny CT Ultra for a couple of weeks now. All going extremely well until today. I have been saving/loading settings and captures to the supplied SD card from the
By Prawlin · #14126 ·