[time-nuts] NLTL comb generators going away...

wa1zms at att.net wa1zms at att.net
Sat Dec 29 13:39:19 EST 2007


Thanks John! I remember seeing the original article in 2006, but did not
recall
the details.

-Brian, WA1ZMS

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
Behalf Of John Miles
Sent: Saturday, December 29, 2007 12:16 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] NLTL comb generators going away...


> My 2 cents....
>
> At what freq offset are the measurments being made?
> (NLTL vs. SRD)
>
> Is it that the SRD has more flicker noise and thus
> is worse than 20log(n) for close-in noise? Or does
> the SRD have a wideband noise floor that is worse
> than 20log(n)?

Their MWJ reprint talks about that:
http://www.picosecond.com/objects/MWJ_reprint.pdf (about 3.5 MB)

-- john, KE5FX


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