Re: TinySA ULTRA LEVEL CAL -> Signal Level incorrect #ultra

#19295

PS,

That was Digikey not digital.

Darn word correction. I hate a phone that tries to think ahead for you!

Anyway

Clyde KC7BJE?

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Re: TinySA ULTRA LEVEL CAL -> Signal Level incorrect #ultra

#19294

It is available in several places on the net.

Just google for?BGA2817 to see if threr is any place near you.

Mouser or digital for two.

Clyde KC7BJE?

Re: TinySA ULTRA LEVEL CAL -> Signal Level incorrect #ultra

#19293

Can you suggest me supplier for BGA2817?.

A feature request: Zooming with two fingers

#19292

My Android smart phone has?that feature. You can zoom/enlarge the screen image by spreading two fingers on the screen. Is this possible with TinySA in the future?

Re: Invitation: How high will your tinySA Ultra go?

#19291

I know mine goes at least to 12 GHz in Ultra mode because I've used it to peak up 12 GHz sources.

Zack W9SZ

Show quoted text

On Fri, Jan 31, 2025 at 4:30?PM W0LEV via <davearea51a=[email protected]> wrote:

Here are the specifications for the Ultra:

Spectrum Analyzer spec:
Input frequency range from 100kHz to 800MHz (900 MHz for Ultra+) in normal mode and up to 6GHz ( 7.3GHz for ZS407 ) with ULTRA mode enabled
Here is a screen shot of both my TINYSAs:
??????
If this email doesn't support embedded imagery, I'll also attach it.

I just tried mine and the maximum settable frequency displays 12.072 GHz.? I tested it at 11.6 GHz and it still registers.?

Is the "Kernal" you are inquiring about?? If so, mine is 4.0.0 - not what you are inquiring about.

Dave - W?LEV

On Fri, Jan 31, 2025 at 9:15?PM David Feldman via <wb0gaz=[email protected]> wrote:
Erik, Isidro,

Returning to old thread. In my recent post #19273 I asked the same question, and this discussion (starting at #8369) is basically identical, so as I read the discussion here, I remain particularly interested in usability (with compromised limitations) in the 5-18 GHz range on the original TinySA Ultra.

I am interested in the result of any test along lines of what Erik suggested in #8485 (at least up to 18 GHz), particularly for the original TinySA Ultra (405) version.

Thank you!

--
Dave - W?LEV

Re: Invitation: How high will your tinySA Ultra go?

#19290

Here are the specifications for the Ultra:

Spectrum Analyzer spec:

Input frequency range from 100kHz to 800MHz (900 MHz for Ultra+) in normal mode and up to 6GHz ( 7.3GHz for ZS407 ) with ULTRA mode enabled

Here is a screen shot of both my TINYSAs:

??????

If this email doesn't support embedded imagery, I'll also attach it.

I just tried mine and the maximum settable frequency displays 12.072 GHz.? I tested it at 11.6 GHz and it still registers.?

Is the "Kernal" you are inquiring about?? If so, mine is 4.0.0 - not what you are inquiring about.

Dave - W?LEV

Show quoted text

On Fri, Jan 31, 2025 at 9:15?PM David Feldman via <wb0gaz=[email protected]> wrote:

Erik, Isidro,

Returning to old thread. In my recent post #19273 I asked the same question, and this discussion (starting at #8369) is basically identical, so as I read the discussion here, I remain particularly interested in usability (with compromised limitations) in the 5-18 GHz range on the original TinySA Ultra.

I am interested in the result of any test along lines of what Erik suggested in #8485 (at least up to 18 GHz), particularly for the original TinySA Ultra (405) version.

Thank you!

--

Dave - W?LEV

001.jpg

Re: Invitation: How high will your tinySA Ultra go?

#19289

Erik, Isidro,

Returning to old thread. In my recent post #19273 I asked the same question, and this discussion (starting at #8369) is basically identical, so as I read the discussion here, I remain particularly interested in usability (with compromised limitations) in the 5-18 GHz range on the original TinySA Ultra.

I am interested in the result of any test along lines of what Erik suggested in #8485 (at least up to 18 GHz), particularly for the original TinySA Ultra (405) version.

Thank you!

TinySA 3.5mm jack

#19288

?

I don't want to force a standard 3.5mm 3 conductor jack all the way into my TinySA Ultra and take a change of breaking it. Has anyone tried using a two conductor jack and, if so, did it make the channel connections despite not being fully seated?

Thanks,?

?

Re: TinySa as RF generator

#19287

The frequency correction should be in Part Per Billion of the generator output frequency.

As you can not correct below +/- 58 Hz error it is best to measure 1 GHz output and only correct 1 GHz.

All other output frequencies should then also be within +/- 58 Hz correct

If you experience something different, let me know.

--

Designer of the tinySA
For more info go to

TinySa as RF generator

#19286

Indeed, in the CONFIG/EXPERT CONFIG/FREQ CORR menu you can make a correction of the output frequency when Tinysa Ultra is configured in generator mode. The value to be entered must be negative if you want to increase the frequency and positive if you want to decrease the frequency. But the value to be entered does not correspond to the difference of the frequency entered in the Tinysa with respect to that of the precision frequency meter, at least that is what I have found. You have to try the correction value to reach a compromise point. Nor is this value the same for frequencies of, for example, 100-500-800 MHz or 1-2-3 GHz. In addition, you always have to wait a while until the RF output stabilizes. I don't know if it is due to the precision of the internal TCXO or some other factor. I mention this data in case it can be used for some kind of improvement in a large project like TinySa ultra, which is already being asked for too much in terms of its cost, and which cannot be compared with much more expensive and sophisticated laboratory equipment. Thank you and best regards.

?

Efectivamente en el menú ?CONFIG/EXPERT CONFIG/FREQ CORR se puede hacer una corrección de la frecuencia de salida cuando Tinysa Ultra se configura en modo generador. El valor que hay que introducir debe ser negativo si se quiere subir de frecuencia y positivo si se quiere bajar de frecuencia. Pero el valor que hay que introducir no corresponde con la diferencia de la frecuencia introducida en el Tinysa respecto a la del Frecuencímetro de precisión, al menos eso es lo que yo he comprobado. Hay que ir tanteando el valor de corrección para llegar a un punto de compromiso. Tampoco ese valor es igual para frecuencias de por ejemplo 100-500-800 MHz o 1-2-3 GHz Además siempre hay que esperar un tiempo hasta que la salida de RF se estabiliza. No sé si será debido a la precisión del TCXO interno o a algún otro factor. Estos datos los comento por si sirven para algún tipo de mejora en un gran proyecto como TinySa ultra al que ya se le está pidiendo demasiado en función del coste que tiene, y que no se puede comparar con instrumental mucho más caro y sofisticado de laboratorio. Gracias y un saludo

Re: New FW release: Reduce spurs for ZS-407

#19285

Thank you very much for your reply. I looked in the PPB menu but I wasn't sure how to enter the calibration value either. Positive or negative. I will try which one works. Congratulations on the great work on the Tinysa. I am aware of the difficulty of a project like Tinysa. I am working on an RF generator project and have achieved a maximum error or frequency accuracy of about 0.8 Hz. It is tremendously difficult. Thanks again

Re: Can the Tinysa Ultra's RF output be calibrated in generator mode?

#19284

Erik's response to this question....

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/g/tinysa/message/19281

Re: tiny sa ultra zs407

#19283

THX Kurt, Look forward to it. Also I join a lot of folks that appreciate your efforts to improve the technology not only on? the Tiny SA but on the NanoVNAs as well.??

Regards.....Ted (KD7AQO)

-----------------------------------------

From: "Kurt Poulsen"
To: [email protected]
Cc:
Sent: Tuesday January 28 2025 2:41:36PM
Subject: Re: [tinysa] tiny sa ultra zs407

Hi Ted

Yes, indeed I will create an update. And it has long been on the to do list, but I have been very busy with the ZS-406 and ZS-407 correction tables. I am still studying accuracy leveloffset values after calibration, just to make sure that present correction tables are in optimum shape.

I think it is fine as for the master unit I used I could get very fine results as attack two example show. Not all units will be with that accuracy as the specs indicates. Present firmware includes these correction tables.

I am checking once again with the latest firmware and on a second unit as well but expect good result again.

Kind regards

Kurt

?

Fra: [email protected] <[email protected]> P? vegne af Ted Chesley
Sendt: 28. januar 2025 20:20
Til: '[email protected]' <[email protected]>
Emne: Re: [tinysa] tiny sa ultra zs407

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To: Kurt Poulsen,?

?

Hi Kurt, a quick question: The very excellent Ultra Menu Tree document you published back on Aug 10, 2024, then current to ver 1.4.176, while mostly still up to date, lags behind the version updates to ver 196 including the new ZS-407 instrument. Any plans to update this in the near future? It was such a well thought out document that it would be invaluable to both new and old users alike.

?

THX...Ted

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Re: New FW release: Reduce spurs for ZS-407

#19282

Its a good news!! Thanks.

Show quoted text

El jue., 23 ene. 2025 15:06, Erik Kaashoek via <erik=[email protected]> escribió:

New FW release

Version V1.4195

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Changes:

- Reduced spurs for ZS-407

?

--

Designer of the tinySA
For more info go to

Re: New FW release: Reduce spurs for ZS-407

#19281

There are two things determining the frequency accuracy

1: The global CONFIG/EXPERT CONFIG/FREQ CORR. This can be set to correct output versus the internal reference. In your case you have a 350 Hz error at 1 GHz, the FREQ CORR is in PPB so set it to 350 (or -350, I never can remember) and that should correct the systematic error which grows bigger with frequency

2: The frequency resolution. The digital PLL's in the tinySA Ultra have a minimum frequency step of roughly 60 Hz.? This can not be reduced.?

--

Designer of the tinySA
For more info go to

Re: Can the Tinysa Ultra's RF output be calibrated in generator mode?

#19280

Yes the tinySA can be calibrated for improved frequency accuracy.? Read the wiki for details.? Look under Expert Config .for FREQ Correction..

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The low output frequency can be set with a resolution of about 28Hz so after calibration all frequencies up to 800MHz should be correct within +/- 28Hz.? Can't remember the spec after 800 MHz.

?

Roger

Re: tiny sa ultra zs407

#19279

开云体育

Hi Ted

Yes, indeed I will create an update. And it has long been on the to do list, but I have been very busy with the ZS-406 and ZS-407 correction tables. I am still studying accuracy leveloffset values after calibration, just to make sure that present correction tables are in optimum shape.

I think it is fine as for the master unit I used I could get very fine results as attack two example show. Not all units will be with that accuracy as the specs indicates. Present firmware includes these correction tables.

I am checking once again with the latest firmware and on a second unit as well but expect good result again.

Kind regards

Kurt

?

Fra: [email protected] <[email protected]> P? vegne af Ted Chesley
Sendt: 28. januar 2025 20:20
Til: '[email protected]' <[email protected]>
Emne: Re: [tinysa] tiny sa ultra zs407

?

To: Kurt Poulsen,?

?

Hi Kurt, a quick question: The very excellent Ultra Menu Tree document you published back on Aug 10, 2024, then current to ver 1.4.176, while mostly still up to date, lags behind the version updates to ver 196 including the new ZS-407 instrument. Any plans to update this in the near future? It was such a well thought out document that it would be invaluable to both new and old users alike.

?

THX....Ted

-----------------------------------------

Figure_1_11GHz_No1_2dB.png

Figure_1_normal_No1_4dB.png

Re: tiny sa ultra zs407

#19278

To: Kurt Poulsen,?

Hi Kurt, a quick question: The very excellent Ultra Menu Tree document you published back on Aug 10, 2024, then current to ver 1.4.176, while mostly still up to date, lags behind the version updates to ver 196 including the new ZS-407 instrument. Any plans to update this in the near future? It was such a well thought out document that it would be invaluable to both new and old users alike.

THX....Ted

-----------------------------------------

Can the Tinysa Ultra's RF output be calibrated in generator mode?

#19277

Hello. First of all, congratulations on a great job with the Tinysa ultra. I have the ZS405 version with firmware 1.4-192 and I would like to discuss a topic with you. The frequency accuracy in RF generator mode. I have checked the output at different frequencies and there are errors which are the following: 1MHz +6.5Hz; 10MHz +3.8Hz; 50MHz -8Hz; 100MHz -23Hz; 200MHz -51.4Hz; 300MHz -81Hz; 500MHz -142Hz; 800MHz -242Hz; 1GHz -350Hz; 2GHz -611Hz; 3GHz -900Hz
I cannot check beyond 3GHz because the Tinysa ultra does not have enough dBm output for my GPS-referenced frequency counter and the preamplifier I have only reaches up to 3GHz.

Re: New FW release: Reduce spurs for ZS-407

#19276

Hello. First of all, congratulations on a great job with the Tinysa ultra. I have the ZS405 version with firmware 1.4-192 and I would like to discuss a topic with you. The frequency accuracy in RF generator mode. I have checked the output at different frequencies and there are errors which are the following: 1MHz +6.5Hz; 10MHz +3.8Hz; 50MHz -8Hz; 100MHz -23Hz; 200MHz -51.4Hz; 300MHz -81Hz; 500MHz -142Hz; 800MHz -242Hz; 1GHz -350Hz; 2GHz -611Hz; 3GHz -900Hz
I cannot check beyond 3GHz because the Tinysa ultra does not have enough dBm output for my GPS-referenced frequency counter and the preamplifier I have only reaches up to 3GHz.