On Sat, Aug 8, 2020 at 08:30 AM, Andy S wrote:

I'm trying to build the tinysa-saver PC software for Linux which I downloaded from github.

You best search for help how on to build xx-saver on the nanoVNA group
I only made a very quick and crude hack to get it working with the tinySA but it is basically still nanoVNA-saver so all building wisdom from nanoVNA is applicable.

Hi Everybody,

I'm trying to build the tinysa-saver PC software for Linux which I downloaded from github.? I'm trying to run it on "Andy's Ham Radio Linux", which is heavily based on Ubuntu 18.04.4.? I'm trying to follow the instructions from here:

Here's what I've done, and the resulting error:

# cd /usr/local/src
# git clone
# cd tinysa-saver
# python3.7 -m pip install .
Processing /usr/local/src/tinysa-saver
Collecting PyQt5 (from TinySASaver==0.2.2)
? Using cached https://files.pythonhosted.org/packages/8c/90/82c62bbbadcca98e8c6fa84f1a638de1ed1c89e85368241e9cc43fcbc320/PyQt5-5.15.0.tar.gz
??? Complete output from command python setup.py egg_info:
??? Traceback (most recent call last):
????? File "<string>", line 1, in <module>
????? File "/usr/lib/python3.7/tokenize.py", line 447, in open
??????? buffer = _builtin_open(filename, 'rb')
??? FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-build-yf_tyxmr/PyQt5/setup.py'
???
??? ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-yf_tyxmr/PyQt5/

I installed several packages with PyQt5 in the name, to no avail.

Any helpful suggestions would be most appreciated.

Thanks, and 73,

Andy
KB1OIQ

Depending on the chosen shipping sometimes it stay's in china for some days without tracking

On Sat, Aug 8, 2020 at 07:10 AM, Alexandre Sell wrote:

When I use an external attenuator, is there a place in the menu to inform the equipment and does it do the necessary calculations with the external attenuator?

Yes, see wiki:?
LEVEL/EXTERN AMP

When I use an external attenuator, is there a place in the menu to inform the equipment and does it do the necessary calculations with the external attenuator?

Alexandre Sell
PY3KV

NigelP

I purchased mine from the initial link posted on here and shortly after got an email from Maggie asking me to confirm full name.

On Monday 3rd I received another confirming "it is on the way", by Zeenco.cn and signed off by Maggie, however when checking my online account it neither shows order or tracking number, is this the experience you or anyone else here has had?

Praying Ive not been stung.

Garry

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 example code or links for you tomorrow or so.

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 integer or float FFT and then I need to do the automatic IQ imbalance compensation (either blind or using some known input signals) but the math is too complex for me and I can not find examples on how to do this

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 SDR I/Q spectrum processing code I do.

I'll look into it once I know what's what.

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

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 DC peak at the start/left of the FFT display. That normally indicates a DC offset of the Real/Imag input values to the FFT. Do you measure and cancel out the DC offset when we do a simple High-Low through cable calibration I wonder ?

Cathy

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.

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...

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

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 dear NanoSA has a white screen only...
Can one reboot it like the old NanoVNA can, by shorting the two pins - hope so!
How can I restore my NanoSA back to normality? Help

开云体育

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.?

What value is shown?

开云体育

Does not display 4.2 so maybe charging IC

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 should be possible
================================================
Erik,
? Correct, delta marker would have eliminated the mental math.

? 20kHz deviation measured using delta marker.
??

?- Herb

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, 28.2 MHz peak, reading -73 db almost spot on

--
73 de k1jbd
bammi