[time-nuts] 3GHZ Extender for HP 53131A and 53132A

Hal Murray hmurray at megapathdsl.net
Sat Nov 9 01:29:54 UTC 2013


richard at karlquist.com said:
> This high sensitivity is probably a bad thing, not a good thing. It is
> indicative of a dynamic divider.  For a frequency counter prescaler, you
> want a static divider, such as the HP5386 used. Dynamic dividers make errors
> if the signal being measured has a broadband noise floor or sufficiently
> high spurs at any frequency. 

What do static and dynamic mean in that context?  Is it the same as DRAM vs 
SRAM?  If so, I don't see any obvious way that translates into one works and 
the other doesn't.



-- 
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