From: Dr Bruce Griffiths <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] On some pitfalls of the dual mixer time
differencemethod of h...
Date: Mon, 02 Oct 2006 12:25:46 +1300
Message-ID: <[EMAIL PROTECTED]>
Bruce,
> Interesting as the techniques employed may be, the resultant pe
> M. Warner Losh wrote:
>> In message: <[EMAIL PROTECTED]>
>> Dr Bruce Griffiths <[EMAIL PROTECTED]> writes:
>> : The Allan deviation of current state of the art cryogenic sapphire
>> : oscillators is more than an order of magnitude lower than the noise
>> : floor of these instruments
In message: <[EMAIL PROTECTED]>
Dr Bruce Griffiths <[EMAIL PROTECTED]> writes:
: The Allan deviation of current state of the art cryogenic sapphire
: oscillators is more than an order of magnitude lower than the noise
: floor of these instruments.
I'm curious. How much does one of t
Magnus Danielson wrote:
> From: [EMAIL PROTECTED]
> Subject: Re: [time-nuts] On some pitfalls of the dual mixer time
> differencemethod of h...
> Date: Sun, 1 Oct 2006 13:53:57 EDT
> Message-ID: <[EMAIL PROTECTED]>
>
>
>> Hello Ulrich,
>>
&g
From: [EMAIL PROTECTED]
Subject: Re: [time-nuts] On some pitfalls of the dual mixer time
differencemethod of h...
Date: Sun, 1 Oct 2006 13:53:57 EDT
Message-ID: <[EMAIL PROTECTED]>
> Hello Ulrich,
Ulrich and Said,
> the latest generation of TSC intruments (the TSC5120A for exa
Hello Ulrich,
the latest generation of TSC intruments (the TSC5120A for example) uses a
new strategy: they use four ADC's to sample and cross-correlate two oscillators
completely in software. All the mixing etc is done in the software domain.
That makes for cheap hardware, and works quite
