[time-nuts] crystal oscillators & TPLL

Robert Benward rbenward at verizon.net
Tue Jun 22 20:35:35 UTC 2010

After reading the content in some of your private emails to me, and hearing 
you call others derogatory  names, it is obvious you tend speak to others 
with disdain and disrespect.

I'm not convinced you were refering to us as in an endearing manner.


----- Original Message ----- 
From: "WarrenS" <warrensjmail-one at yahoo.com>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Tuesday, June 22, 2010 3:50 PM
Subject: Re: [time-nuts] crystal oscillators & TPLL

> Poul-Henning posted
>>Yes, you probably did.  (Think it was obvious)
> TRUE, it is obvious to me, but then I've had the advantage of being able 
> to test the TPLL to find the answers to things that I did not understand 
> at first.
> So is there some part that is not obvious to you?
> Maybe someone from the group can help you with that part.
> is it:
> 1) that the definition of ADEV that starts with the the intigral freq 
> differences taken over a period of time called tau?
> or
> 2) that Analog filters do not have dead time and includle all data with no 
> dead time
> or
> 3) a simple PLL can be repersented by nothing more than a first order RC 
> over a very wide range
> or
> 4) that RC's do not have delay, they have Time consrtants,
> or
> 5) what the difference between between a RCs and delay is
> or
> 6) that the purpose of doing zero deadtime period measurments is to try 
> and duplicate the best they can of  intigrated Freq over tau
> or
> 7) how the simple TPLL works
> or
> 8) or how close the TPLL clones the ref osc to the DUT
> or
> 9) why the Ref Osc's EFC is an analog signal of its Frequence
> or
> 10) what the limits of accurcacy is of the reference osc's EFC
> or
> 11) how to intigrate by oversampling
> or
> 12) why no other Software is needed to process the Raw data of the TPLL
> or
> 13) or why this group is called freq and time nuts
> or
> 14) the best way to stop this thread
> or
> 15) how to skip over anything with a TPLL in the subject
> or
> 16) other TBD
> or
> 16) why someone on this site resents be referred to as one of the "NUTs"
> OK I'll admit, I don't understand that one myself, but I'm OK on the rest 
> of the above obvious things.
> ws
> ******************
> [time-nuts] crystal oscillators & TPLL
> Poul-Henning Kamp phk at phk.freebsd.dk
> Tue Jun 22 18:55:00 UTC 2010
> In message <0C4F750835264E13AB61D4B8C8448B68 at Warcon28Gz>, "WarrenS" 
> writes:
>>> you have a very tough row to hoe when it comes to proving
>>> that your frequency samples represent the same signal as a sequence
>>> of zero deadtime period measurements would do.
>>Sorry, I though that was obvious.
> Yes, you probably did.
> Poul-Henning
> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by 
> incompetence.
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