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phase noise analyzer and phase noise measurement

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pdenisowski:

--- Quote from: testpoint1 on July 10, 2024, 05:21:46 pm ---•   Rohde&Schwarz   
https://www.rohde-schwarz.com/products/test-and-measurement/phase-noise-analyzers_254899.html
FSWP : to 8/26.5/50 GHz
FSPN :  to 8 / 26.5 GHz
FSUP :  to 8 / 26 / 50 GHz

--- End quote ---

The FSPN and FSWP are current products, but the FSUP has been discontinued for some time.  We also support phase noise measurements on our mid- to upper-tier spectrum analyzers (FXx-K40 option).  The FSPN and FSWP also support VCO testing.

I've done videos on all of these:
Analyzing Phase Noise with the FSWP

- Analyzing Phase Noise with the FSPN

- Characterizing VCOs with the FSWP:

- Characterizing VCOs with the FSPN:

- Analyzing Phase Noise with FSx-K40:



I also did both video and whitepaper introductions to phase noise measurements:

- Understanding Phase Noise Fundamentals:


- Understanding Phase Noise - the Spectrum Analyzer Method

- Understanding Phase Noise - the Cross Correlation Method

- Understanding Voltage Controlled Oscillators


The whitepaper versions are 90% the same material:

- Understanding Phase Noise Fundamentals: https://www.electronicdesign.com/resources/white-paper/whitepaper/55000557/understanding-phase-noise-fundamentals
- Understanding Phase Noise Measurement Techniques: https://www.rohde-schwarz.com/us/products/test-and-measurement/analyzers/signal-spectrum-analyzers/white-paper-understanding-phase-noise-measurement-techniques-register_255398.html

So if anyone has any questions about phase noise analyzers from Rohde & Schwarz, please let me know :)
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testpoint1:

--- Quote from: tjadwy on February 28, 2024, 01:05:08 am ---There is also a comparison among them >:D.

https://kvg-gmbh.de/en/product/ocxo-beispiel/

--- End quote ---

the noise floor of 53100A is higher, can not compare with others, but I checked several test results of the PN2060 for OCXO testing, for the far end test result, the actual tolerance about 10dB, so, just for your reference, can not as a trustable test result.

according my latest testing (08/07/2024) for Datum 2750013-1, if low than -150dBc/Hz, test result is quite diff.

tjadwy:
NIST's new work, 4 DDSs (9914) combined, very interesting.

https://tf.nist.gov/general/pdf/3257.pdf


tjadwy:

--- Quote from: pdenisowski on July 10, 2024, 06:39:12 pm ---
So if anyone has any questions about phase noise analyzers from Rohde & Schwarz, please let me know :)


--- End quote ---

Thanks for sharing them, very intuitive.

4 ads5263 should be inside FSWP series PNA, a slimlar board is openly accessable on web. 


zrq:
I have a question: is there any way of extending the measurement to beyond 50 GHz (say 58GHz) while taking advantage of the cross-correlation? Can we use external mixers and LOs for our FSWP (or something else)?

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