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Date
Re: Spectrum display
Yes for sure Erik, anything to help. It would remove that 0Hz spike and give a nice flat base line. It won't be today though as I'm in another frame of mind today :) .. I'll get back with some
By OneOfEleven · #547 ·
Re: Spectrum display
Ah, I'm working on such IQ gain and phase balancing right now and I would welcome some help with a good example on how to do this. Can you point me some some code? I"m sampling I/Q input, doing a
By Erik Kaashoek · #546 ·
Re: Spectrum display
oh right. Normally you can apply IQ gain and phase balance cancellation around the DC point (and across the rest of spectrum by linear interpolation using a 3 or 4 points). It's what I do in all the
By OneOfEleven · #545 ·
Re: Spectrum display
The tinySA is not an FFT SA but super heterodyne. The zero hz spike is the LO leakage through the mixer. Unavoidable in this architecture
By Erik Kaashoek · #544 ·
Spectrum display
Hello Erik Got my unit today and have already uploaded your latest release. I like it ! I have yet to look through your code to get to know it (can;t resist) but I was just wondering about the tall
By OneOfEleven · #543 ·
Re: Tiny SA arrived today.
Just got mine 15 mins ago, and it's my umteenth birthday today too - very apt :) Now to find the latest firmware to upload to it.
By OneOfEleven · #542 ·
Re: Reload FW_White screen
Thanks Erik, just loaded the latest firmware 1.0-44 and all is good. I tried to run it on the tiny sa windows 10 program, but very intermittent no worries all ok...
By Colin de Jager · #541 ·
Re: Reload FW_White screen
Yes, just like the nanoVNA, same two pins to connect switch off the tinySA Open the case Connect BOOT0 with VDD switch on the tinysa wait 5 seconds remove the connection update firmware
By Erik Kaashoek · #540 ·
Reload FW_White screen
Hi Erik My fault! I tried to upload the firmware, using the usual tool,but found the fw was not readable... So I simply made it readable - 'now there's the problem' It then did something and now my
By Colin de Jager · #539 ·
Re: Tiny SA arrived today.
Left it on until the battery indicator went red, less the 3v I then put it on charge. Will only charge to 3.4v and battery indicator 1/4 full. Has been on charge over 2 hours. Ray
By Ray W8LYJ · #538 ·
Re: Tiny SA arrived today.
What value is shown?
By Erik Kaashoek · #537 ·
Re: Tiny SA arrived today.
Does not display 4.2 so maybe charging IC
By Ray W8LYJ · #536 ·
Re: Measuring FM Deviation
On Fri, Aug 7, 2020 at 08:13 AM, Erik Kaashoek wrote: A delta marker would have done the calculation for you. It is currently not possible to place a marker on a stored trace. Is it something that
By hwalker · #535 ·
Re: Tiny SA arrived today.
Same here, huge kudos to Erik, Hugen and Maggie Ordered on Alibaba on July 23 Delivered in Boston: Aug 5 First test: after the initial setup steps, output of my Elecraft XG3 at -73 db into tinySA,
By WS1M - bammi · #534 ·
Re: Measuring FM Deviation
Herb A delta marker would have done the calculation for you. It is currently not possible to place a marker on a stored trace. Is it something that should be possible
By Erik Kaashoek · #533 ·
Re: Measuring FM Deviation
A quick estimate of FM deviation using a spectrum analyzer that my former lab used was: 1). Capture the unkeyed carrier [Display->Store Trace], 2). Key the carrier and measure the deviation between
By hwalker · #532 ·
Re: Tiny SA arrived today.
Sorry, I will check the additional battery check items and Maggie will send you a new tinySA as soon as possible. Please help check whether vbat displays 4.2V after removing the battery. If it
By Hugen · #531 ·
Re: Tiny SA arrived today.
WHen you switch on the tinySA, does it work? If you unplug the USB does it switch of immediately or does it work for some time?
By Erik Kaashoek · #530 ·
Re: Tiny SA arrived today.
The red led is still on after 12 hours of charging. Indicator says 3.3v and is 1/4 full Ray
By Ray W8LYJ · #529 ·
Re: Tiny SA arrived today.
red led is on. Battery indicates 3.2v and 1/4 scale after 12 hours of charging.
By Ray W8LYJ · #528 ·