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What is good spectrum analyser Agilent ESA E4403B or Agilent CSA N1996A ?
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Cooperhop:
Hello,

Please help me to choose a good second hand spectrum analyser ? I have decided on Agilent ESA-E series one for a long time now, but Agilent CSA N1996A also seems a good choice. But don't know which one is better in performance.

Edit:
Actually I need a professional grade spectrum analyzer. I’m not a new to RF. But I’m not experienced either. I already have a cmu200. But need something professional level so I can move to that kind of phase. I’m looking for testing amplifiers and filters. Also intend to start with designing antennas too. Probably a VNA is a better choice for me as I already have a cmu200. But VNAs are crazy expensive. So I wonder if SA with tracking generator would suffice my need until I get at least a nanoVNA.

Thank you.
Kean:
What are your needs?  What are you planning to use it for?

If you are learning, then maybe start with something cheaper that won't be too big a loss if damaged.

The TinySA Ultra is low cost and very handy device to own and experiment with, and still useful if you later buy a bench top device.
https://www.tinysa.org/wiki/
Cooperhop:
I have updated my question with the requirements.
tautech:

--- Quote from: Cooperhop on April 15, 2024, 07:46:06 am ---I have updated my question with the requirements.

--- End quote ---
That's missing a budget.
nctnico:
For antenna tuning, a VNA is a better tool because it will show you what kind of matching network you'll need.
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