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First picture on EEVblog of the new R&S MXO4 series oscilloscope :)
nctnico:
If your use case includes protocol decoding, then you will want deep memory as well. Keep in mind that the actual memory depth in normal use cases is 1/4th at most of what it says on the sticker on the Megazoom based Keysight scopes.
2N3055:
--- Quote from: nctnico on May 02, 2023, 09:05:56 am ---If your use case includes protocol decoding, then you will want deep memory as well. Keep in mind that the actual memory depth in normal use cases is 1/4th at most of what it says on the sticker on the Megazoom based Keysight scopes.
--- End quote ---
That is very true, but...
Megazoom extracts data for decoding directly from input by use of comparator. It does not convert analog data to digital.
So when you are decoding, even if signal looks very bad in analog domain, decode will work just fine.
That is the reason why Keysight users don't complain so much about long memory when decoding...
It is not as good as proper long memory scope but not as bad as it might seem..
But anyways, MXO4 is much more modern scope. Only thing that is working for Megazooms is that MXO4 still don't have all the same protocols supported...
nctnico:
--- Quote from: 2N3055 on May 02, 2023, 10:39:33 am ---
--- Quote from: nctnico on May 02, 2023, 09:05:56 am ---If your use case includes protocol decoding, then you will want deep memory as well. Keep in mind that the actual memory depth in normal use cases is 1/4th at most of what it says on the sticker on the Megazoom based Keysight scopes.
--- End quote ---
That is very true, but...
Megazoom extracts data for decoding directly from input by use of comparator. It does not convert analog data to digital.
So when you are decoding, even if signal looks very bad in analog domain, decode will work just fine.
--- End quote ---
My experience is different. One of the things lacking is an adjustable hysterisis which can mess up decoding on Keysight scopes.
2N3055:
--- Quote from: nctnico on May 02, 2023, 10:42:12 am ---
--- Quote from: 2N3055 on May 02, 2023, 10:39:33 am ---
--- Quote from: nctnico on May 02, 2023, 09:05:56 am ---If your use case includes protocol decoding, then you will want deep memory as well. Keep in mind that the actual memory depth in normal use cases is 1/4th at most of what it says on the sticker on the Megazoom based Keysight scopes.
--- End quote ---
That is very true, but...
Megazoom extracts data for decoding directly from input by use of comparator. It does not convert analog data to digital.
So when you are decoding, even if signal looks very bad in analog domain, decode will work just fine.
--- End quote ---
My experience is different. One of the things lacking is an adjustable hysterisis which can mess up decoding on Keysight scopes.
--- End quote ---
3000T works much better than old 7000...
But still I agree with you, there are better scopes for the money today..unless you specifically need some feature in which case that is what matters..
Sighound36:
I have the 1.5Ghz model coming later in the week, we'll see how it stacks up against the HDO6000B, the introductory deals R&S are offering currently makes this a genuine proper high end scope for semi sensible outlay, although the probe costs maybe the sticking point.
However I am keen to see the FFT in action, as I have always felt R&S offer the best RF abilities of the big four, although Keysight has some quality instruments here as well.
Just in the process of acquiring an FSW so a few more members of the bench are now from Munich!
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