Products > Test Equipment

Siglent SNA5000A two and four port VNA's

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tomud:

--- Quote from: tautech on August 30, 2022, 12:05:20 am ---
--- Quote from: tomud on August 29, 2022, 11:54:18 pm ---Cooll  :-+  :clap:

I have been waiting for it - we will see if it is time to start putting money into the piggy bank to buy the SNA5000  >:D

--- End quote ---
Unfortunately we might need to wait a few weeks for a later instalment until Siglent comes back to Shahriar with some firmware improvements he has asked for. As yet we don’t know what they are in detail but really looking forward to the next instalment.  :popcorn:

--- End quote ---

I'm in no hurry  ;D These are not small amounts, so it will probably take a while to save money for the purchase.

However, I have a question, TV84 showed that you can convert 5004A to 5014A, I wonder if such a possibility exists in the 5002A version  >:D
And does such a modification have any disadvantages (e.g. lack of factory calibration to 8.5GHz, etc.).

Ehh why am I watching these movies. The 4.5 GHz version with two ports has an attractive price, but after watching the movie, the version with four ports is tempting  :P It will end so that I will eat bread with water to save for the purchase of equipment :-DD


tautech:

--- Quote from: tomud on August 30, 2022, 07:24:35 am ---However, I have a question, TV84 showed that you can convert 5004A to 5014A, I wonder if such a possibility exists in the 5002A version  >:D

--- End quote ---
Only to SNA5012A I imagine.
Early in the video from Shahriar he shows 2 RF sections stacked for the 4 port device so the 2 port models will only have 1 RF section.
See pic below:




--- Quote ---And does such a modification have any disadvantages (e.g. lack of factory calibration to 8.5GHz, etc.).
--- End quote ---
Yes of course as the factory calibration sheet will not match the model # or the Sys Info.
But it would seem from the teardown the RF modules are all 8.5GHz however this is just a suspicion, maybe they grade them IDK.

Sighound36:
Its a very good explanational video on the SNA5000A, I have been using my one more and more recently and only just relaised they is a FW update (Thanks TT) and I suspect more on the way after P2 of the video.

For the money this really does tick a serious amount of boxes and its nice ot use as well. Sorry we have been seriousy busy of late.

tautech:

--- Quote from: Sighound36 on August 30, 2022, 10:19:27 am ---Its a very good explanational video on the SNA5000A, I have been using my one more and more recently and only just realized they is a FW update and I suspect more on the way after P2 of the video.

For the money this really does tick a serious amount of boxes and its nice to use as well. Sorry we have been seriously busy of late.

--- End quote ---
Instead I believe something was discovered and until new FW or a beta is available Pt 2 will wait.
Shahriar mentions he's working with Siglent engineers ~45.30 and wants to give them a chance to make some improvements.
However you are most probably correct Shahriar will get the beta before there is any public release.

TheSteve:
Maybe I need to re-watch the video but did we see Shahriar use his Keysight N4691B ECAL with the power on the Siglent turned up to 10 dBm? That is the absolute max power allowed for that model of ECAL, but anytime I use one with a Keysight VNA it will not allow power that high as ECAL performance is reduced.

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