[time-nuts] Spec An for phase noise measurements

WB6BNQ wb6bnq at cox.net
Mon Jan 21 17:10:00 EST 2008

John Miles wrote:

> ---- snip -------
> It's true that the HP 8590s are among the noisiest spectrum analyzers out
> there, but the difference between the phase-noise floors of an 8596E and an
> 8560E is only about 20-25 dB.  The difference in cost is several thousand
> dollars.  If you invest in a nice 8662A instead -- or even an 8640B! -- you
> can use your *existing* 8596E to make measurements 30-40 dB below what even
> the 8560E series can do.
> --- snip ---
> -- john, KE5FX

Hi John,

How does a HP-8660C compare to the HP-8662 and HP-8640B in your opinion ?


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