Products > Test Equipment
Rigol DG1022 vs. Modern Budget Signal Generators
lightman:
Hi, I have the DG1022, i purchased new like 14 years ago, and serve me well, i still use it.
I think it's far better than the uni-t, because of the options it has, like input and output of 10mhz reference, trigger input which i use a lot for when i need to send a burst signal triggered by an external event, the sync out option also use it a lot to synchronize with the oscilloscope for certain uses, like sweep.
it is old but has a lot of features.
the only downside is that when you are in sweep mode, above 10 Mhz it will not compensate amplitude amplification and will attenuate, it is a software bug and they said that since the unit is too old they won't patch it, but if you don't sweep above 10 Mhz it's all good.
after 13 years in service mine now has a 400 mvDC offset in Arbitrary DC mode, everything else is excellent, i never calibrated it.
J-R:
I'll say one notable negative of the DG1022 compared to "modern" units is the small screen, which limits the amount of information visible at once. This is also a problem with my old HP33120A which made an Owon AG1022 purchase very attractive during a fire sale (less than $100).
My very old JDR DFG-600 generator only requires a glance to see what it's set to, and also having all those knobs makes things very quick and handy when you're trying to monkey around, especially with audio. It only goes to 2MHz and accuracy/precision are not features you'll find on it, however.
A while back I got a deal on the Rigol DG1022Z and unlocked it to the DG1062Z. It should hold me over for quite some time. One reason I selected it over the DG1022 and the DG811 was due to the ethernet port.
Also, to be clear why I recommended them: the tinySA Ultra can generate sine waves up to 800MHz, square up to 4.4GHz and an RF test signal up to 5.3GHz. The NanoVNA H4 can also generate signals and be flashed with the tinyPFA firmware to offer other functionality.
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