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New Rigol RSA5000 Real Time Spectrum Analyser

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EEVblog:


https://www.rigolna.com/real-time/?utm_term=Cover%20image

Johncanfield:
Please forgive this probably stupid question,  but aren't all SA's "real time", (I have a Siglent SA.)

1anX:
9kHz to 6.5gig make this analyser perfect for my uses!
Tear it down Dave, and give us your verdict, the sooner the better, as have been considering Siglent's offering!

TheSteve:

--- Quote from: Johncanfield on January 25, 2018, 12:31:33 am ---Please forgive this probably stupid question,  but aren't all SA's "real time", (I have a Siglent SA.)

--- End quote ---

No, most sweep the frequency range you've got selected. As a result if a signal is not present when the spectrum analyzer tunes to that specific frequency during the sweep you won't see it. This is pretty common with frequency hopping transmissions etc. A realtime spectrum analyzer will sample a given bandwidth(often around 40 MHz) so you can see that entire range at once and constantly so you won't miss short transmissions etc.

Devov:
I was expecting them to launch a new DSA, the 800 series are getting pretty old and were out-competed by the new Siglents.  I was hoping for a redesign with a snappier UI refresh rate, bigger screen, but still a budget device in the ~$3k range.  These RSA5000 are $9k+ with a tracking generator.

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