Products > Test Equipment
Scope recomendations in $15-20K range?
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KungFuJosh:
If 1GHz is all you need, you could afford 3 SDS3104X HD scopes. But it might be smarter to buy only one and some nice active probes. If I needed something higher than that, I'd look at the SDS7000A series.
2N3055:

--- Quote from: KungFuJosh on February 29, 2024, 08:55:59 pm ---If 1GHz is all you need, you could afford 3 SDS3104X HD scopes. But it might be smarter to buy only one and some nice active probes. If I needed something higher than that, I'd look at the SDS7000A series.

--- End quote ---
Like I said he could buy SDS3104xHD and a good SA from Siglent, and a probe or two...
tautech:

--- Quote from: 2N3055 on February 29, 2024, 09:11:00 pm ---
--- Quote from: KungFuJosh on February 29, 2024, 08:55:59 pm ---If 1GHz is all you need, you could afford 3 SDS3104X HD scopes. But it might be smarter to buy only one and some nice active probes. If I needed something higher than that, I'd look at the SDS7000A series.

--- End quote ---
Like I said he could buy SDS3104xHD and a good SA from Siglent, and a probe or two...

--- End quote ---
There's a test not yet done....find the -3dB BW of active probe SAP1000.....now I have the RF sources to do so.  :)
alm:

--- Quote from: David Hess on February 29, 2024, 03:18:15 pm ---If I was planning to spend that much, then I would try to contact some representatives of the manufacturers to get some hands on experience.
--- End quote ---

I absolutely agree with this. For this kind of price, don't just order online, but ask for a loaner you can keep for some days and test with your own signals.

I would also consider that the fancy probes like active probes, differential probes, current probes, power rail probes, isolated probes etc are often not interchangeable between brands. So if you are interested in some of the more exotic probes, take that into account. I would say that for 1 GHz bandwidth you should definitely look at active probes or lo-Z resistive divider passive probes like this. Several brands sell the latter, and unlike active probes these probes do generally work on any brand scope. But the downside is higher DC loading (lower loading at 1 GHz, though).
nctnico:

--- Quote from: pdenisowski on February 29, 2024, 02:41:02 pm ---
--- Quote from: 2N3055 on February 29, 2024, 07:11:59 am ---RF is done best with RF tools like SA.

--- End quote ---

True, but if you don't have the budget for both a scope and a spec an, then choosing a scope with a really good FFT implementation (like the MXO4) becomes important.

In addition, the ability to look at a signal in both the time and frequency domains is extremely helpful in many different applications: especially if you can set the spectrum parameters (center, span, etc.) independent of the time-domain settings.

--- End quote ---
Indeed. If you have a PSU for example, you can analyse a waveform piece-by-piece using FFT and find out which part of the waveform is causing excessive emissions. You can't find this using a spectrum analyser.
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