Products > Test Equipment

Which Spectrum Analyzer to choose in 2024?

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huababua:
Hi folks,

I am trying to set me up with some new equipment for EMC precompliance measurements and cant decide which SA I should buy.
 
Main purpose is to measure conducted (with a LISN) and radiated  (with antenna + ext. amplifier) emissions and I am planning to use it together with the TECBOX EMCVIEW software https://www.tekbox.com/product/emcview-pc-software-emc-compliance-testing/

The software is supporting the following instruments which are in my budget:

Rigol (DSA and RSA)
Siglent (SSA/SSA plus/SSA -R and SVA) 


Breaking it further down to the specific part numbers I can choose between:
Rigol RSA3015E-TG
Siglent SVA1015X   
Siglent SSA3021X   
Siglent SSA3015X Plus   

I really like the idea of using the additional VNA functionality of the SVA1015X to measure DIY filters.

Which one would be your favorite?


tautech:
Add SSA3021X Plus to that list.

SSA3000X Plus, SVA1000X and SSA3000X-R models are all touch display and also with webservers whereas the earlier SSA3000X models offered neither.
SVA and X-R models both offer VNA capability.

All the later (not SSA3000X) models offer an improved EMI mode.
Promotion until mid year:
https://www.siglenteu.com/news-article/siglent-care-for-your-emi-pre-compliance-tests/

huababua:

--- Quote from: tautech on March 13, 2024, 08:23:25 am ---All the later (not SSA3000X) models offer an improved EMI mode.

--- End quote ---

Interesting! Could you please specify which are the "later" models from my list above?

tautech:

--- Quote from: huababua on March 13, 2024, 08:51:21 am ---
--- Quote from: tautech on March 13, 2024, 08:23:25 am ---All the later (not SSA3000X) models offer an improved EMI mode.

--- End quote ---

Interesting! Could you please specify which are the "later" models from my list above?

--- End quote ---
SSA Plus, SVA and SSA3000X-R all share the improved EMI mode, webserver and touch display.
Earlier SSA3000X has none of these.

lunix:
I can't give advice on a spectrum analyzer, but I can tell you some of my recent experience with RIGOL.  All of my RIGOL experience is after about 40 years as an EE.  TLDR: avoid this company.  Don't be tempted by the prices.

I bought a DHO924S and the PLA2216 logic analyzer accessory.  The scope has crashed a few times, and went into a doom loop (where it wouldn't boot), which I managed to recover from.  Some of the measurements are flaky (you can read all about that in these forums).  RIGOL seldom posts updates, which often do not fix longstanding bugs that have been reported multiple times.

The logic analyzer didn't come with all of the probes and grabbers advertised.  When I brought it to their attention, they sent some USED ones, then when I asked whether it was intentional, they promised new ones with a long lead time due to a (then) upcoming Chinese holiday.  (They had a week to order them before sending the used ones- and the lead time would've been shorter than the five weeks I waited.)

I went to the RIGOL store on eBay, and purchased a benchtop DMM recently.  I was charged for it.  After a few days of noticing that it had not shipped, my order was canceled.  They re-listed it at a higher price after that.  In hindsight I consider myself fortunate.  And I consider it my duty to warn others away from RIGOL.

If you're a casual hobbyist, or a student and don't have to rely on it- it's inexpensive.  But if you need something that you can depend on for accurate measurements and working features as-advertised, my experience says this brand shouldn't be on your list.

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