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I will document my attempt but it wont be for a few weeks as I’ve got other stuff to do first. I will report back regardless of the outcome, but wish me luck. Dave

Hi :) If possible, take some pictures of the U22 chip replacement and a few lines of text, was it an easy replacement, etc... Sincerely, g.

Yes, if you want an up to date insterment, with any bugs fixed and any new features. If not, and you don't need any new features and it works for all the measurements you need, then no. Your probably

I have a ZS - 405. The question about software updates is does it make sense to update with the latest versions ? ZS - 405 - Updates

Its is the correct component -- Designer of the tinySA For more info go to https://tinysa.org/wiki

Thanks.? I ask the question as it says "20 Mhz to 3 Ghz " on the data sheet, and most of my work is in the HF bands ( 1.8 Mhz to 30 Mhz ) and the TinySA Ultra itself says " 100Khz to 6Ghz "? I just

Seems OK -- Designer of the tinySA For more info go to https://tinysa.org/wiki

Hi, my TinySA Ultra is showing all the symptoms of a failed U22. Self inflicted I think so can’t blame the unit. I’ve ordered a new unit as the supplier I bought it from has offered me a

True that. If I had my way it would be a world-wide law that every battery powered portable device has to have a hard OFF switch. However there is also the protection board attached to the cells that

The TinySA model has a physical switch that disconnects the battery from the power circuit. The iPod and newer devices are built on a digital switch that constantly draws some current.

While the long shelf life is true, it is also true that in the real world there is often a very small but non-zero current drain on the cells. Sometimes I wonder how many long forgotten iPods have

The internal reference should be stable enough for the resolution of the tinySA Should be well within one 1 Hz stability. -- Designer of the tinySA For more info go to https://tinysa.org/wiki

Thank you for the information.? When setting the tinySA aside, one does not consider such a thing.? ?I will now. 73s,

Hi. Erik - Has it been tested at what environmental temperatures the parameters of the pilot signals measured will start to shift? (For example, if you put the tinySA ULTRA in a closed device box and

No formally specified minimum or maximum operating temperature What temperature are you thinking about? -- Designer of the tinySA For more info go to https://tinysa.org/wiki

*If you just want to measure the loss at a few frequencies, then you could measure the output of an oscillator direct then connect the SA and re-measure. Don't overload the input. Not as good as a VNA

Is there any specified operating temperature range for the TinySA ultra device?? ?I cannot seem to find this on the wiki or searching group messages. Cheers, TC

Hi. Yes, it caught my eye right away. I enlarged the picture I took earlier.

Hi. Erik, thanks for the reply. For a few hours tinySA ULTRA was turned off and when I restarted it, this information appeared on the screen (Pictures attached to the letter). The only way to get

(sorry for my reply in bold letters)