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Phase Noise Measurement with Spectrum Analyzer - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


Fahad
 Post subject: Phase noise measurement with Spectrum Analyzer
Posted: Thu Jan 19, 2006 6:19 pm 
Hi,
I need some information about the measurement of phase noise with SA and its comparision with the other techniques. Can anyone please help me in this regard?


 
  
 
sparky
 Post subject:
Posted: Wed Feb 01, 2006 5:36 pm 
 
Lieutenant
 

Joined: Mon Jun 27, 2005 9:29 am
Posts: 4
Location: Cincinnati, OH
What type of spectrum analyzer are you working with?


 
   
 
mpb
 Post subject: Re: Phase noise measurement with Spectrum Analyzer
Posted: Mon Apr 03, 2006 9:08 pm 
 
Lieutenant

Joined: Sat Apr 01, 2006 11:16 pm
Posts: 3
The simplest way to make phase noise measurements with a spectrum analyser will be detailed in John Miles website at :

http://www.speakeasy.org/~jmiles1/ke5fx/gpib/pn.htm

Look at the section on PN.EXE for info on making the measurements. In
particular, follow the link in the PN.EXE information to the HP Application Note AN 270-2. Phase noise measurements couldn't be easier! I have a TEK 495P analyser and use a GPIB-to-USB dongle (see link for dongle information below).

http://www.sparkfun.com/commerce/produc ... cts_id=549

With the dongle providing the interface between my analyser and my desktop or laptop, and using John Miles PN.EXE software, phase noise measurements are amazingly quick and easy. The dongle will work with a wide assortment of analysers- check the list to see if yours is included.

MPB
Micanopy FL

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