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Only IEEE members can access documents in their online library :-(
Would the documents listed by Enrico be available in any of the FTP
sites run by group members, by any chance? Pretty please? :-)
Peter
>Folks,
>d
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> At drive levels below saturation, the loss of a mixer depends on the LO
> signal level.
> Consequently the feedback loop gain of a regenerative divider depends on
> the input signal level.
> Hence one would expect there to be
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John Miles wrote:
>> Am I missing something here?
>>
>> I always thought mixers were non linear by definition, and
>> relying on that
>> non linearity to function:-)
>>
>
> Sure, a mixer is nonlinear with respect to the mul
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> Am I missing something here?
>
> I always thought mixers were non linear by definition, and
> relying on that
> non linearity to function:-)
Sure, a mixer is nonlinear with respect to the multiplicative function it
applies to
L PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
> Sent: Saturday, September 29, 2007 5:39 PM
> To: time-nuts@febo.com
> Subject: Re: [time-nuts] Basic regenerative-divider questions
>
> In a message dated 29/09/2007 23:28:23 GMT Daylight Time,
> [EMAIL PR
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In a message dated 29/09/2007 23:28:23 GMT Daylight Time, [EMAIL PROTECTED]
writes:
Yep, but usually they're not quite _that_ nonlinear. :) I'm used to
thinking of mixers as linear devices, from the IMD/IP3 perspective.
--
and see how it works...
-- john, KE5FX
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Behalf Of Bruce Griffiths
> Sent: Saturday, September 29, 2007 2:56 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time
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John Miles wrote:
>> Did you experience the start of oscillation also as you went from
>> +3 dBm to
>> +4 dBm? The impulse may be part of getting the oscillation running.
>>
>
> No; nothing happens until the +4.8 dBm to +4.
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> Did you experience the start of oscillation also as you went from
> +3 dBm to
> +4 dBm? The impulse may be part of getting the oscillation running.
No; nothing happens until the +4.8 dBm to +4.9 dBm transition. There is no
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From: Enrico Rubiola <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] Basic regenerative-divider questions
Date: Sat, 29 Sep 2007 16:55:49 +0200
Message-ID: <[EMAIL PROTECTED]>
Dear Enrico,
> I worked on low-noi
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Folks,
deep in my database, there is this reference
R.\ C.\ Harrison,
``Theory of regenerative frequency dividers using double balanced
mixers''
{\em IEEE Trans.\ on Microwawe Theory and Technology},
MTT-S Symp.\ Digest vol.\
Dear all,
I worked on low-noise regenerative dividers long time ago.
See my home page http://rubiola.org , click on "more journal articles"
22. E. Rubiola, M. Olivier, J. Groslambert, Phase noise in the
regenerative frequency dividers (PDF, 670 kB),
IEEE Transact. Instrum. Meas. vol.41 no.3 pp.3
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From: "John Miles" <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] Basic regenerative-divider questions
Date: Fri, 28 Sep 2007 21:40:04 -0700
Message-ID: <[EMAIL PROTECTED]>
> > A divide by 8 conjug
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> What's the crystal for?
> Crystal filters aren't usually necessary
The nature of the filter(s) is one of the questions that I'm hoping those
papers will help answer. I was guessing that a crystal filter would make
the divid
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John Miles wrote:
>
> Thanks much, Bruce. I suspected either you or Enrico R. would have some
> knowledge of that.
>
> Note that I need to end up with 40 *and* 20 MHz, hence the plan to cascade
> two /2 dividers. If there is a
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Bruce Griffiths wrote:
> Magnus Danielson wrote:
>
>> The article in question is...
>> http://tf.nist.gov/timefreq/general/pdf/1890.pdf
>> but also
>> http://tf.nist.gov/timefreq/general/pdf/1800.pdf
>>
>> See for yourself.
>
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Magnus Danielson wrote:
> The article in question is...
> http://tf.nist.gov/timefreq/general/pdf/1890.pdf
> but also
> http://tf.nist.gov/timefreq/general/pdf/1800.pdf
>
> See for yourself.
>
> Cheers,
> Magnus
>
>
Plus:
ht
Magnus Danielson wrote:
> From: "John Miles" <[EMAIL PROTECTED]>
> Subject: Re: [time-nuts] Basic regenerative-divider questions
> Date: Fri, 28 Sep 2007 18:51:58 -0700
> Message-ID: <[EMAIL PROTECTED]>
>
>
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From: "John Miles" <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] Basic regenerative-divider questions
Date: Fri, 28 Sep 2007 18:51:58 -0700
Message-ID: <[EMAIL PROTECTED]>
> ); SAEximRunCond expa
> You can do better than that, a single regenerative divider can be
> configured to divide by 4.
> A pair of parallel feedback paths (with amplifiers), one tuned to F/4
> and the other to 3F/4 are best.
> NIST did some work (together with Indian collaborators) on this type of
> generalised regener
John Miles wrote:
> Submitted for general discussion: I have a need to divide a low-noise 80-MHz
> clock by two, twice, to obtain 40 MHz and 20 MHz outputs, and my current
> thinking is that the quietest way to do this is with a pair of cascaded
> regenerative dividers. Does anyone have any 'favor
Submitted for general discussion: I have a need to divide a low-noise 80-MHz
clock by two, twice, to obtain 40 MHz and 20 MHz outputs, and my current
thinking is that the quietest way to do this is with a pair of cascaded
regenerative dividers. Does anyone have any 'favorite' papers or
application
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