[time-nuts] crystal oscillators & TPLL

[Steve Rooke]

On 23 June 2010 04:36, Robert Benward <rbenward at verizon.net> wrote:
> So now we, those that want a little more than faith, are nuts.  Some day
> when you learn how to speak to people with respect, you too may get some
> respect of your own.

You have subscribed to a Yahoo group called time-nuts so I guess you
have already thought of yourself as a nut

> Never argue with a fool, onlookers may not know the difference.
> Never wrestle with a pig, you will only get dirty, and the pig likes it.

Perhaps your right.

Steve

> Bob
>
>
> ----- 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 11:20 AM
> Subject: Re: [time-nuts] crystal oscillators & TPLL
>
>
>> Thanks Don
>>
>> For all the nuts that want the analysis with math and fancy papers on how
>> (or why) the TPLL works.
>> They will find the whole thing on one line on page 4-21 of that paper.
>> (page 110)
>> That's about it and all that is needed, if one also understands how to do
>> integration by oversampling or by VtoF.
>> http://www.am1.us/Papers/U11625%20VIG-TUTORIAL.PDF
>>
>>
>> Another place to find the same thing is on ALLAN's site.
>> Sorry neither have the long and unreadable fancy papers like some have
>> posted or wanted
>> but
>> Not a whole lot needs to be said about something so simple.
>> That is really all there is to it, if one starts with Frequency
>> differences, like the TPLL, and not Phase, like most other methods, to get
>> the raw data to use with an ADEV program like "PLOTTER".
>> Note there is no extra S/W processing OR H/W processing or secret anything
>> needed to be able to do that, because JUST THE BASIC TPLL Block does it all
>> already.
>> http://www.allanstime.com/AllanVariance/
>>
>> Under
>> " Brief Explanation
>> Allan variance equation:
>>
>>
>> BTW
>> All those fancy, long and unreadable (by me)  papers, are mostly just
>> trying to get a good close approximation of the above because they start
>> with phase and not Freq.
>> The TPLL does not need no approximate anything to get there, IT is already
>> there and gives that EXACT thing over the total Tau range, for ANY Osc noise
>> type and as far as I've seen the ONLY method that does.
>> The TPLL method is limited by its OXCO controlled (reference) Oscillator
>> plus the noise of its two main parts, that can be made way below ANY OCXO
>> noise level.
>>
>> woops, sorry, I guess some wanted this to remain a "SECRET".
>> So don't blame me this time, Don and ALLAN are the ones that posted it
>> and/or said it.
>> If others want more, It is about time they did something beside complain
>> about me and what I know or did or did not do.
>>
>> ws
>>
>> *********************.
>>
>> [time-nuts] crystal oscillators
>> Don Latham djl at montana.com
>> Mon Jun 21 23:46:04 UTC 2010
>>
>>
>> I just found this while noodling around. Looks very good, probably known
>> to most of you.
>> Don
>> http://www.am1.us/Papers/U11625%20VIG-TUTORIAL.PDF
>>
>> may have to remove the %20?
>>
>> --
>> "Neither the voice of authority nor the weight of reason and argument are
>> as significant as experiment, for thence comes quiet to the mind."
>> R. Bacon
>>
>>
>> Dr. Don Latham AJ7LL
>> Six Mile Systems LLP
>> 17850 Six Mile Road
>> POB 134
>> Huson, MT, 59846
>> VOX 406-626-4304
>> www.lightningforensics.com
>> www.sixmilesystems.com
>>
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-- 
Steve Rooke - ZL3TUV & G8KVD
The only reason for time is so that everything doesn't happen at once.
- Einstein