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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
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They are non-linear when considering the LO port, and we try to make them
linear considering the RF and IF ports, that's what makes them hard to do
:-)
Didier KO4BB
> -Original Message-
> From: [EMAIL PROTECTED]
> [m
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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.
--
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Department of Weird Clock Projects"
http://www.misc.hackaday.com/2007/09/15/hard-drive-clock-not-a-lame-clock-with-a-hd-face/
--
Margaret Stephanie Leber CCP, SCJP SCWCD
<[EMAIL PROTECTED]> http://voicenet.com/~maggie
AOPA
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Yep, but usually they're not quite _that_ nonlinear. :) I'm used to
thinking of mixers as linear devices, from the IMD/IP3 perspective.
I'll build up the 4:1 divider from the Gupta paper as soon as I have time,
and see how it
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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-noise regenerative div
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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 conjugate regenerative divider has bee
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