Products > Test Equipment
Rigol DSO2302A or DHO1072?
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skander36:
Rigol 2K is a good scope fast and stable but as others said has an 8 bit ADC. It cand do Hi-Res with limited BW but software as many scopes do. It has 50 ohm input and LA with a proprietary format connector. You can do you job with him, but is a little outdated for this times. You will not get FW updates as last FW is from 2019. I've had a 2072 but I changed it for Rigol 5K.
HDO1072 (I have also this model) is a much better choice, because is a modern design. At the time it was launched this firmware was not very stable but now at v. 2.07 it do a good job. No LA, No AWG or Bode Plot.
I think Rigol 5K is better for you. It has 4 channels and full of features.(Touch zone trigger,more decoding protocols,2 ch. AWG, Bode plot, power analisys,). It can be noisy for very low signals but for protcol decoding is perfect.
The only problem with Rigol is lack of technical support. On rigol Europe is only an email adress(info-europe@rigol.com) where you get no answer. So I strongly recomend to purchase through resellers like Batterfly or Batronix which have their own support channels and help you with any problem.
nctnico:
IMHO the Rigol MSO5000 has too much noise. Whenever you do want to look at a an analog signal, you'll be looking at a band of noise and missing out on the information you need. Hi-res is just a crutch. I used to own a very noisy scope (expensive model as well) and it was a nuisance to use.
skander36:

--- Quote from: nctnico on August 29, 2023, 03:20:14 pm ---IMHO the Rigol MSO5000 has too much noise. Whenever you do want to look at a an analog signal, you'll be looking at a band of noise and missing out on the information you need. Hi-res is just a crutch. I used to own a very noisy scope (expensive model as well) and it was a nuisance to use.

--- End quote ---
Yes it's clear that Rigol5k is not suitable for analyzing low level audio/radio signals. But over 50 mV RMS, is perfectly usable. Also you can analyze low signals captured with maximum memory (200 mpts).
I didn't find HiRes function too much useful on any scope I used.
If the OP is bind to these two models I would recomend HDO1072.
Fungus:

--- Quote from: nctnico on August 29, 2023, 03:20:14 pm ---IMHO the Rigol MSO5000 has too much noise. Whenever you do want to look at a an analog signal, you'll be looking at a band of noise and missing out on the information you need.

--- End quote ---

Simply not true.

It's only a problem when you're looking at mV signals, which plenty of people never do.
Martin72:
So plenty of people do not need a 12 bit scope... ;)
(Which is a fact)

Noise of the rigol 5000:

I´ve measured the ripple of a linear supply (1mV rms ripple according to the datsheet) with my former MSO5074.
First pic shows....Noise.  ;)
Second pic shows the ripple when using averaging mode (64times).


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