> I just recalled, you do want to check out John Miles (KE5FX) GPIB > toolkit, the PN.EXE software will let you use your spectrum analyzer (if > supported) to measure phase-noise. For your purpose it should be useful > for you. For some of my phase-noise needs my tools isn't sufficient yeat > to do some of the phase-noise measurements I want. > > John's home: > http://www.thegleam.com/ke5fx/ > > John's GPIB toolkit: > http://www.thegleam.com/ke5fx/gpib/readme.htm > > John's TimeLab: > http://www.thegleam.com/ke5fx/timelab/readme.htm > > I was able to contribute support for my spectrum analyzer with some good > help from John. Happy to see it being part of the distribution now.
Thanks for the plug! The readme for the spectrum-analyzer utility is actually at http://www.ke5fx.com/gpib/pn.htm -- TimeLab (nee' TI.EXE) only talks to counters and ADCs, not SAs. It is also a very unfinished piece of work, to put it kindly. The PN utility in conjunction with a homebrew quadrature PLL is probably going to be the best way to measure crystal oscillators at this point. You'll need to build two oscillators to measure against each other. The cleaner they are, the more care will need to be taken in the design of the quadrature PLL. This technique can give an excellent measurement floor but it does require you to put in some sweat equity. The software is the easy part of the overall problem. -- john, KE5FX _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
