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Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024


    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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RF Cafe Forums closed its virtual doors in 2012 mainly due to other social media platforms dominating public commenting venues. RF Cafe Forums began sometime around August of 2003 and was quite well-attended for many years. By 2010, Facebook and Twitter were overwhelmingly dominating online personal interaction, and RF Cafe Forums activity dropped off precipitously. Regardless, there are still lots of great posts in the archive that ware worth looking at. Below are the old forum threads, including responses to the original posts.

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 Post subject: Phase noise measurement with Spectrum Analyzer
Posted: Thu Jan 19, 2006 6:19 pm 

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?

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

Joined: Mon Jun 27, 2005 9:29 am

Posts: 4

Location: Cincinnati, OH

What type of spectrum analyzer are you working with?

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

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 :


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.


Micanopy FL


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Posted  11/12/2012

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