Re: USB / Serial connectivity issue
Most of the attempts are 2.0. The primary connection I am using is 2.0. During my "various" ports attempts I did try a 3.0.
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73 es God Bless de KK1L, Ron <><
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Re: New FW release: "audio AGC" option and reduced spurs
From your description of this new feature, disabling AUDIO AGC changes PA4 from demodulated audio to a DC voltage that tracks the signal level. If that’s correct, it seems this function operates backwards. (Enable AGC = disable audio.)
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On Feb 24, 2025, at 8:26?AM, Erik Kaashoek <erik@...> wrote:
? New FW release
Version V1.4197
For all tinySA Ultra and Ultra+ versions
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Changes:
- Added CONFIG/EXPERT CONFIG/MORE/AUDIO AGC option. When disabled the PCB edge point PA4 will in listen mode have a voltage linear with the signal level in dBm Useful for integration of tinySA as selective power meter
- Reduced level of internally generated spurs on multiples of 10 MHz not being multiples of 30 MHz (ZS-407 only)
--
Designer of the tinySA
For more info go to
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Re: What to do when a selftest fails
Changed out U14 LNA and Tests 10 and 14 are now good - only Test 13 fails.
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Is this Test 13 failure from U22 being bad??
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I also bought a few of them when I got the LNA chips
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Thanks
-Paul
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On Fri, Jan 17, 2025 at 08:19 PM, Hugen wrote:
U14 LNA is damaged.
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On Mon, Jan 13, 2025 at 02:12 PM, PT wrote:
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Purchased on Amazon SeeSii store
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Came with v1.4-185. Updated firmware.
Fails using both 189 and newest 193
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Failed tests are 10, 13 and 14
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Did a Config Reset
30M Attenuator test
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Re: USB / Serial connectivity issue
Are you attempting to use a USB3 connection?
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I am having this same issue with a new Ultra+ ZS-406. Was working great on my computer talking to tinySA-app yesterday and earlier today. I set up TCPUART on my phone to try using the unit remote, and that worked quite well. It is after this when I could
no longer connect via USB directly.? Windows 10 machine
- tried MULTIPLE USB cables - no USB or COM shows up in Device Manager
- tried various USB ports - no USB or COM shows up in Device Manager
- tried both "serial" and USB" as connection options from the config menu - no USB or COM shows up in Device Manager
- cleared the TinySA config ("1234") - no USB or COM shows up in Device Manager
- restart computer and try again - no USB or COM shows up in Device Manager
- tried different Win10 machine
- "unknown" device shows up in USB controllers section of Device Manager
- performed uninstall device on computer, power SA off, power SA on? - no USB or COM shows up in Device Manager
Are there suggestions on what to do next?
Did the USB get borked somehow?
Is there a hard reset I should try?
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Brand new to me yesterday from R&L.
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THANKS
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73 es God Bless de KK1L, Ron <><
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Re: TinySA Ultra Calibration Fail.
The LNA is only good up to 2.2GHz, thats according to Mouser. Since the LNA, when turned on bypasses the attenuator, do we have to expect large errors in gain beyond 2.2GHz? It looks to me that it can do a bit better but maybe not up to 5GHz.
Erik - do you compensate the display via the higher end (or manual) calibration for the decline of the LNA gain? Working with even higher harmonics (like the 7x -> 12GHz) the LNA seem useless, it just blocks everything, while surprisingly the other circuitry keeps up with the LNA turned off. Interesting...
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Re: USB / Serial connectivity issue
I am having this same issue with a new Ultra+ ZS-406. Was working great on my computer talking to tinySA-app yesterday and earlier today. I set up TCPUART on my phone to try using the unit remote, and that worked quite well. It is after this when I could no longer connect via USB directly.? Windows 10 machine
- tried MULTIPLE USB cables - no USB or COM shows up in Device Manager
- tried various USB ports - no USB or COM shows up in Device Manager
- tried both "serial" and USB" as connection options from the config menu - no USB or COM shows up in Device Manager
- cleared the TinySA config ("1234") - no USB or COM shows up in Device Manager
- restart computer and try again - no USB or COM shows up in Device Manager
- tried different Win10 machine
- "unknown" device shows up in USB controllers section of Device Manager
- performed uninstall device on computer, power SA off, power SA on? - no USB or COM shows up in Device Manager
Are there suggestions on what to do next?
Did the USB get borked somehow?
Is there a hard reset I should try?
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Brand new to me yesterday from R&L.
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THANKS
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--
73 es God Bless de KK1L, Ron <><
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Re: Self-test error and does not continue
It's difficult to see in the photo but it seems the yellow trace does not go up to 0dBm at zero Hz
If this is indeed the case there is another problem which can not be easily repaired
--
Designer of the tinySA
For more info go to
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Re: Self-test error and does not continue
I followed the procedures in the link sent to my email.
https://tinysa.org/wiki/pmwiki.php?n=TinySA4.FaultFinding
In the test, where 30 MHz is enabled and the analyzer is returned, my tinysa ultra does not show any peaks, it shows nothing.
According to the report, it is reported that the defect must be U22.
I am attaching a photo.
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Re: TinySA Ultra Calibration Fail.
Hello Jorge,?
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LNA U14: BGA2817.?
e.g. Mouser part# 771-BGA2817115?
73, Thomas
(all parts from another posting:
- Input RF switch U22: XA17-G4K? ? or AS179-92LF ?(mouser 873-AS179-92LF)
- LNA U14: BGA2817 ? ? ? (mouser? ? 771-BGA2817115)
- Attenuator U38: PE4312C-Z ? ? ?(mouser 81-PE4312C-Z)? )
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Re: TinySA Ultra Calibration Fail.
https://tinysa.org/wiki/pmwiki.php?n=TinySA4.FaultFinding
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Re: TinySA Ultra Calibration Fail.
Hello again,
Just for update about the thread, I've disassembled the TinySA and remove the U22, the RF Switch, and replace it by 0R jumper joinning traces.
The result is that the power values from CAL connector in 30MHz Output mode goes to normal values and "Safe Test" near pass succesfully. However when it needs LNA to measure it fails, which is normal, becouse know as I don't have RF switch it can measure anything in that trace.
I tried to calibrate it is not possible to finished it becouse also needs the LNA, but now the power values has more sense.
Probably I've to replace to the LNA, which I think is U14,and it will get back to the normally, but I need to know the PN to buy them.
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Could you tell me what are them?
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Thanks in advance.
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Greetings,
Jorge.
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Re: Tiny SA as a power meter.
2 volts peak to peak is +10 dBm if you have a scope.?
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I've added a page to the wiki describing some steps for manual fault finding.
Could some of the users that have (had) problems with their HW have a look at this page and check if it helps them locating the probable faulty component(s)
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--
Designer of the tinySA
For more info go to
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Re: Problem with calibration and self test ZS-407
Thanks for the quick response!
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TinySA Ultra Calibration Fail.
Dear all,
I've been playing with my TinySA, and I think I've passed the measure power limit during some test and now my device doesn't measure correctly. Probably I exceeded the +6 dBm.
I've uploaded new FW and try to pass the self test, and I've obtained errors on tests: 3,4,7, 10,11 and 14. I attached a picture,
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Try to passed level calibration is not possible.
I've appreciated that if I inject a signal from a signal generator of value is attenuated but measurable, however if I turn on the LNA I can't see anything, so my first thoughts is going about the LNA is broken.
I've also tested the attenuator and it works well.
So I join this group with the hope that you could help me to solve the issue.
I also attach a picture of the back with the S/N.
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Thanks in advance for the support and I'll be waiting for your news.
Greetings,
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Jorge
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Re: Problem with calibration and self test ZS-407
This is a broken LNA
Suggest to contact your supplier
--
Designer of the tinySA
For more info go to
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Re: Problem with calibration and self test ZS-407
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Re: Problem with calibration and self test ZS-407
Tested with different coax cable but same result..?
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Problem with calibration and self test ZS-407
Got problem with self test and calibration.. any ideas?
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Re: Pre-sale, tinySA ULTRA plus
everything should be fine with you, the older younger version is determined by the bootloader, it seems to me that there are almost no changes in the difference between the versions, the difference is not significant at all, it seems like a different display and something else, I haven't seen the insides of the older version yet, but soon someone will post a review and it will be clear. this opinion about the differences may be wrong.
Hi Richard,
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I just purchased the 406 from R&L arrived today. Mine has the same marking. My confusion is that the upper right under Zeenko is ZS-405, but S/N is SU-406-xxxx H/WV0.4.6. So did "they" forget to update the upper right?
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73 de KK1L Ron <><
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KK1L Ron
Tom_DG3NEO
W5CDT