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Siglent SNA5000A two and four port VNA's

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luudee:
Hi 1design,

thank you for your reply.

My consideration is for all of the above, filter design, amplifier design, frequency converter design, Transmitter/receiver testing ...

My application will most likely be below 3Ghz for now, at some point in the future, I might need to go to 5 GHz.
I do not consider myself a serious user ... thinking of it as a adult toy, to expand my capabilities ...

To be honest, I haven't looked very far at all as to what is available. I have to admit that I am a big Siglent
fan, I like their equipment, and the price seems to be right, and they are hackable ...

Who else makes a comparable/better unit in the same price range?

Many Thanks !
rudi

1design:
Based on you reply, the SNA5000 family would not suffice to your requirements as it does not support frequency offset measurements.
Nevertheless, of your hart is set on Siglent than my answer might be in vain altogether.

Baseline: SNA5002A(4.5GHz) for $8,499: https://www.tequipment.net/Siglent/SNA5002A/Network-Analyzer/?search=true
Sweep: 150us/point fully called 2 port
Dyn,. range: 125dB (30MHz to 4.5GHz)
Noise fl.:-125dBm/Hz


In your price and frequency range there are a few alternative options:
Tek TTR503(3GHz) for $6,000: Slow sweep speed, no offset freq. options, similar performance to SNA https://www.tek.com/datasheet/vector-network-analyzers
Pico VNA 106(6GHz) for $6,500: 185us/point fully called, no offset freq. option, has AM to PM measurement, lower performance than SNA https://www.tequipment.net/Pico/VNA-106/Network-Analyzer/?b=y&v=99940#description
Copper Mountain M5045(4.5GHz) for $7,895: 70us/point fully called, no offset freq. option, has AM to PM measurement, higher performance than SNA https://online.fliphtml5.com/pbaab/xzks/#p=13
Copper mountain S5054(4.5GHz) for $10,995.00: The same as the M5045 with added frequency offset capabilities.

At the end of the day, if all you want to do is learn and do basic measurements with reasonable accuracy, than a LibreVNA or NanoVNA might be a much smarter way to spend your hard earned cash :)

LibreVNA: https://www.amazon.com/Analyzer-AURSINC-100KHz-6GHz-Measuring-Parameters/dp/B092Q6W2Z6
NanoVNA: https://nanorfe.com/nanovna-v2.html

When looking at VNA data, there is a lot to compare, I did a VERY rough comparison. The trace noise, dynamic range, uncertainties, calibrated/uncalibrated directivity etc. are all very important when doing precise measurements.
Making sure to check the resBW at which each company specifies their parameters so you compare apples to apples is very important.

If you want to do PA measurements, the Output power range is important together with its accuracy specifications.

Hopefully this helped a bit :) Personally I would go with Copper mountain for 2 ports.


tautech:
For the last few days a buddy in the US has said his was coming and no sooner than it had arrived and booted he FaceTime'd me.  :-DD
All I could hear while watching him fiddling with it was expletive, expletive, expletive this thing is so fast !
A couple of us in NZ had a small while with webserver control then had to pack it in as the poor US fella had to get some sleep.

~4 weeks and we'll have one to play with.  :)

Sighound36:
The SNA5084 is rather good, nice intuitive features, multiple screen presentation, packed with features that are useable and useful. Plus Time domain, TDR and SA modes.

Really nice 12.1" high resolution touch screen, good file management and its just great to use. so far have been quiety impressed, it has a place on the test bench not much equipment gets to stay there, the SNA5084 does.

egonotto:
Hello,

I can not find a SNA5084 do you mean a SNA5014A?

Best regards
egonotto

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