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New FW release Version V1.4193 tinySA Ultra ZS406 Changes: - Improved level correction curves for the ZS406 -- Designer of the tinySA For more info go to https://tinysa.org/wiki

Hello! I'm an FPV drone pilot and FPV race organizer. The drones usually use the 5.8GHz frequency range to send video signal to the receiver. Here are a table for our used frequencies(the bandwith of the video signal is about 30MHz): https://github.com/RotorHazard/RotorHazard/blob/v4.0.0-beta.2/doc/img/Frequency%20Reference%20Chart%202022-11-10.png?raw=true At FPV race events and we have sometimes some problems. We are using for racing the Raceband frequencies. For 4 pilot it is usually R1, R3, R6, R7. This video signal bandwidth is about 30MHz. Sometimes the VTX is faulty or bad designed, so VTX transmit not only on the adjusted frequency but in other channel too. Is the TinySA ultra capable to measure such a frequency signals? We want to ensure, that the drone only transmit the video signal on the adjusted frequency and bandwidth. This is a important question for me before I buy TinySA ultra. I hope my problem was understandable, If not please not hesitate to ask! :) Thank you! Best Regards! Daniel Czigany

Hi, I've just updated firmware to v1.4-159 on both my tinySA and my Ultra and both failed self test after that. TinySA reported "Test 7: StopBand Critical" Ultra failed both Test 10 and 14, both reporting "Signal Level Fail" Both units were tested using the longer ALSR-100 cable provided with the Ultra version. I have also tried connecting both together, outputting a 300MHz, -5dBm signal from the tinySA and reading it at around -6,6dBm on the Ultra (wich seems about correct to me), when I tried doing this with the shorter cables (the one that came with the tinySA) the Ultra read -9.0dBm Both units should be genuine as they were bought from Eleshop.eu following link from the wiki tinySA was bought in May 2022, HW version: V0.3.1_EL Ultra was bought in Dec 2022, HW version: V0.4.5.1 Have I broken something or missed some step? Thanks! -- //LMA// RF Coordinator for live shows

Hi Group, I'm an Ham Radio operator and I need to mesure the IMD for the modulation in SSB. I just built a two tone generator so I can inject 700hz and 1900hz at the same time to mesure the IMD but, I'm at my first steps with RF electonics and the TinySA Ultra. Does anybody can take me by the hand and tell my what setting I need to do with the TinySa Ultra in order to mesure the IMD. Let's say for the test that I will transmit at 14.245Mhz USB 100Watts in a dummy load. I built a RF sampler 40db attenuator so I can feed the TinySa without blowing it. thanks 73 from VE2IBN (Canada).

When I study the ultra with version 187, and use measure->more->THD, whatever I move the marker, the THD always 0, can someone give me some suggestions?

New FW release Version V1.4189 For ZS405 (original tinySA Ultra) and ZS406 Changes: - Bug solved: TinySA-App can not control tinySA - Improved level correction table for ZS406 WARNING: This FW update will do a clear config and can not load previously saved configurations and settings -- Designer of the tinySA For more info go to https://tinysa.org/wiki

Tiny Ultra SA purchased from R&L has worked flawlessly for many months. While checking bandwidth of my oscilloscope using the Tiny Ultra as signal source it failed when I Tee'd in a 50 ohm input frequency counter. It failed within seconds of the counter attachment. The Tiny Ultra had a DC block attached at the time of failure. It now fails Self test 3, signal level fail. Below is the check of the attenuator as described for Tiny SA Signal generator partially functions, 100 KHz at -20 dbm, should be 22.4 mv RMS. Sine wave is distorted from what it was when working properly A 50 ohm termination on this signal results in flat line, zero volts ! Below is 2 MHz at -20 dbm 900 microvolts RMS, At 3 MHz the signal is around 400 microvolts RMS and at frequencys higher than 3 MHz no signals are seen. Below is in spectrum analyzer mode. 100 Khz from Fluke 6060B signal generator at -10 dbm. Any ideas on what died?

When I was (playing) testing with my Nose source noise source and TinySA, everything was fine at lower frequencies, but when the max frequency was 5GHz, there was a 10-20dB step at 3GHz. I don't think noise source does that, but I wouldn't think TinySA would do that either. I ran calibration after this and as always it passed. Should TinySA Ultra be calibrated before use? Yes, in the noise source PCB, there is a text NOSE SOURCE. Bg7tbl 2016-03-06 By the way, the noise source runs very hot at 12V. Amplifiers in it may do something extra. https://www.eevblog.com/forum/testgear/_nose-source-bg7tbl-2016-03-06_/

I was browsing TinySa examples from https://tinysa.org/wiki/pmwiki.php?n=Main.Mixer TinySas where directly coupled to each other. May I ask, does it really work and can I make one TSA to output the same frequency other is measuring. I am not rushing to buy a second TinySA, but this is interesting.

I am using Tiny SA- App v1.1.20.1. I watched several videos about this the Tiny SA and I did a search on all the prior messengers here. I don't see a solution – How do I make this software work with ultra frequencies? What does work with the Ultra frequencies is the screengrab window – but not the big window. I'm sure this is a cockpit error and I am simply overlooking the setting or switch for this. PS: bonus question: is this the best software to use to upgrade the firmware? When I click on the icon at the top for Firmware Upload, all the instructions discuss the Nano VNA. -- -.- ...-- .-. .-. .-. 73 de Robert K3RRR X/(Twitter) @K3TripleR YouTube.com/K3RRR Website: K3RRR.com -.- ...-- .-. .-. .-.

Hi Eric and everyone, Happy Holidays Updated my two Ultras ((from Zeenko), to ver 191. No issues and everything works as expected. However, I happened to notice an unusual spur on one unit that did not occur on the other one, This with no input, and both inputs terminated, and the units placed next to each other. They both showed the internal spurs that normally have occurred that will come and go intermittently (Spur removal is ON in both units) . In the plot pix below, both units are in MAX HOLD and left tracking for several minutes. FIG 1 is the unit with the substantial intermittent spur of substantially higher amplitude at 3.995GHz that only occurs on this unit, the other marked spur positions are normal (seen all the time at the same spectral positions on both units) that come and go, as does this bad one. FIG 2 is the other unit showing the normal spectrum with the inputs terminated. FIG 1 tinysa4_screen_2024-12-23_15-51-37.png FIG 2 tinysa4_screen_2024-12-23_15-55-01.png Not a big issue to me as I don't often work in the affected band, but I'm just curious as to what might be the source of this. It's internal to the unit and not picked up in the environment as it doesn't appear on a non-ULTRA analyzer.