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| SpectrumAnalyzer/VNA Buying advice below 4k€ |
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| Frex:
Hello all, I'm looking for buying a spectrum analyzer with VNA capability for my personal use. My main needs are: mixed-signal board EMI investigation / pre-compliance test evaluation. RF antenna impedance measurements and adaptation (LTE 3G 4G - 2.4GHz) Various RF measurements... The budget would be less than 4 k€. I'v already seen the Siglent SSA3021X that seem to be "upgraded" to the Siglent SVA1032X that will well fit the need. I also look the Rigol Rigol RSA3015 series, but I don't know if it is also upgradable. It seem more modern than the Siglent using direct digital IF conversion that can be very useful for EMI debugging of transients. Can anyone have some advices/suggestions about these ones ? What would be the better choice ? Is there others interesting options at that price point ? (no used equipements). Thanks in adavance. Frex |
| nctnico:
On the used market you can find LTE basestation analysers with VNA capabilities like the JDSU / Viavi JD745A / B. But since these are basestation analysers, don't expect things like signal demodulation to be useable or to have extensive features where it comes to network analysis like you'd get from a network analyser. From what I've read the Siglent SVA has very little dynamic range at the low end. The JD745A is definitely better in that aspect. You can also take a look at the Libre VNA (PC based). Based on what I've read & seen so far, I would not buy the low cost Rigol or Siglent 'VNA' enabled spectrum analysers. The performance simply isn't there. If you want a new, standalone box you might want to look at R&S FPC. I have a JD745A myself which I use mainly for EMC pre-compliance testing. |
| coromonadalix:
We have an SSA3021x and was upgraded successfully to a SSA3032x and a Rigol DSA815 who got some options updates too, and a New Siglent SSG3021x to SSG3022x too loll Compare the prices and the free "possible upgrades" loll The SSA3021x upgrade added at lest almost 1k$$$ value over it .... |
| Hexley:
A "test drive" of each candidate is highly recommended if you can arrange it. I recently changed from a Tektronix plug-in SA to a Rohde & Schwarz FPC1500 and it was a bit frustrating to do something as simple as change the vertical scale on the R&S. If I had arranged for a demo unit first, I might have kept looking at other units to see if there was one that felt more natural to me. By contrast, a colleague lent me an old Rigol DSA815 and that felt quite natural. So a side-by-side test drive of your top two candidates, the Siglent SSA3021X and the Rigol Rigol RSA3015, would be interesting if that were possible. |
| tautech:
--- Quote from: coromonadalix on March 27, 2023, 11:51:44 am ---We have an SSA3021x and was upgraded successfully to a SSA3032x and a Rigol DSA815 who got some options updates too, and a New Siglent SSG3021x to SSG3022x too loll Compare the prices and the free "possible upgrades" loll The SSA3021x upgrade added at lest almost 1k$$$ value over it .... --- End quote --- So many mistakes....... |O SSA3021X Plus is same HW as SVA1032X ....$ 1650 vs $ 3470, is it any wonder they are a popular seller....option costs additional. ;) --- Quote from: coromonadalix on March 27, 2023, 11:51:44 am ---Siglent SSG3021x to SSG3022x --- End quote --- Really is it not possible to get the model # correct ? SSG3021X to SSG3032X I did years ago for private use for ~$1400 saving. |
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