Re: [time-nuts] phase noise and related stuff

[Enrico Rubiola]

On 31 Mar 2007, at 20:45 , John Miles wrote:

> So your low-noise DC amplifier paper
> from '04 is awaiting my attention

PCB layout may be available (incl. gerber), if the
technician has not lost the files!
Cheers,
Enrico

Enrico Rubiola
professor of electronics

web:http://rubiola.org
e-mail: [EMAIL PROTECTED]

FEMTO-ST Institute
32 av. de l'Observatoire
25044 Besancon, FRANCE
voice:  +33(0)381.853940 (E.Rubiola)
voice:  +33(0)381.853999 (switchboard)
fax:+33(0)381.853998


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Re: [time-nuts] phase noise and related stuff

[Didier Juges]

I like Joe's editor myself (Wordstar background). A colleague and I are 
having ongoing arguments about vi versus Joe's. I say it takes many more 
keystrokes to do the same job under vi, she says it does not take her 
any longer than me to do anything because I am a lousy typist, I tell 
her if you had a decent editor, you would not need to be such a good 
typist to get your work done. She says I did not try hard enough to 
learn vi, and if I had been more committed to learning it, I would not 
make such a fuss about it. I say you have to be committed if you use 
vi...You get the idea...

Didier KO4BB

John Ackermann N8UR wrote:
> Hmmm.. my "HTML Development Environment" is called vi and ssh.  Makes
> life much simpler. :-)
>
> John
>   


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Re: [time-nuts] phase noise and related stuff

[Dr Bruce Griffiths]

Magnus Danielson wrote:
>
>
> Indeed.
>
> When I started doing webpages, Emacs was the tool and the Netscape beta had
> just hit the streets. We had this Alta Vista search engine comming along which
> was a cool Digital database demo.
>
> Yeah, I actually recall the times before Google. :-) We had Archie back then
> too.
>
> But seriously, there are a number of usefull tools out there for those that
> don't walk and talk their HTML as well as some of my friends (which I learn
> alot from).
>
> Cheers,
> Magnus
>
>   
Magnus

As soon as I can obtain the password to allow editing of the site 
(www.has.org.nz ) (at the moment its saved by 
Windows Application so I can only modify it easily from a Windows 
machine and the person who knows it is in the US working on a control 
system that facilitates extracting more of the oil from depleted wells 
there.), I intend to migrate site maintenance to Linux, after all the 
site's hosted on an ISPs Linux machine.


Bruce
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Re: [time-nuts] phase noise and related stuff

[Magnus Danielson]

From: John Ackermann N8UR <[EMAIL PROTECTED]>
Subject: Re: [time-nuts] phase noise and related stuff
Date: Sat, 31 Mar 2007 20:49:09 -0400
Message-ID: <[EMAIL PROTECTED]>

> Dr Bruce Griffiths said the following on 03/31/2007 08:36 PM:
> 
> > Some MSWindows html editors (e.g. Open Office) are notorious for 
> > automatically substituting the fully qualified link path for a relative 
> > link path, that has been typed in so that the page should have been 
> > reasonably portable. If one doesn't know that this can occur and correct 
> > all the affected links before uploading this sort of link error can result.
> > 
> > I don't know if this somewhat undesirable behaviour is restricted to 
> > MSWindows applications, perhaps someone can enlighten me on this.
> 
> Hmmm.. my "HTML Development Environment" is called vi and ssh.

Mine are emacs and scp. :-)
A recent addition to the suite is rsync. :-)

Oh, Emacs is also my mailer-tool. Handy thing. And I write alot of code in it
too.

> Makes life much simpler. :-)

Indeed.

When I started doing webpages, Emacs was the tool and the Netscape beta had
just hit the streets. We had this Alta Vista search engine comming along which
was a cool Digital database demo.

Yeah, I actually recall the times before Google. :-) We had Archie back then
too.

But seriously, there are a number of usefull tools out there for those that
don't walk and talk their HTML as well as some of my friends (which I learn
alot from).

Cheers,
Magnus

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Re: [time-nuts] phase noise and related stuff

[John Ackermann N8UR]

Dr Bruce Griffiths said the following on 03/31/2007 08:36 PM:

> Some MSWindows html editors (e.g. Open Office) are notorious for 
> automatically substituting the fully qualified link path for a relative 
> link path, that has been typed in so that the page should have been 
> reasonably portable. If one doesn't know that this can occur and correct 
> all the affected links before uploading this sort of link error can result.
> 
> I don't know if this somewhat undesirable behaviour is restricted to 
> MSWindows applications, perhaps someone can enlighten me on this.

Hmmm.. my "HTML Development Environment" is called vi and ssh.  Makes
life much simpler. :-)

John

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Re: [time-nuts] phase noise and related stuff

[Dr Bruce Griffiths]

John Ackermann N8UR wrote:
> John Miles said the following on 03/31/2007 03:16 PM:
>   
>> Yep, that's the one.  It used to be linked from his measuringphasenoise.htm
>> page but the link now points to something on his own f: drive, which is
>> sadly inaccessible to the rest of us...
>> 
>
> Yes, a bunch of the Wenzel links point to F:, but I've found that if you
> strip that off you can reconstruct a URL that works.  I'm guessing that
> the webspace is maybe a shared drive, or perhaps they upload from
> network drive F: and sometimes get improper link addresses as a result.
>
> John
>
> ___
> time-nuts mailing list
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> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>
>   
John

Some MSWindows html editors (e.g. Open Office) are notorious for 
automatically substituting the fully qualified link path for a relative 
link path, that has been typed in so that the page should have been 
reasonably portable. If one doesn't know that this can occur and correct 
all the affected links before uploading this sort of link error can result.

I don't know if this somewhat undesirable behaviour is restricted to 
MSWindows applications, perhaps someone can enlighten me on this.

Bruce

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Re: [time-nuts] phase noise and related stuff

[Dr Bruce Griffiths]

John Miles wrote:
> Hi, Enrico --
>
> I think a lot of us already tracked down your (excellent) site based on a
> couple of links to your papers that were mentioned on the list earlier.
> Thanks for making that content available!  These days, it seems that half of
> Google's search results on any given topic point to sites at IEEE and other
> pay walls.
>
> You're in good company -- there's a diverse mix of amateur/hobbyist types
> and professional time-nutcases on this list.  I fall into the 'amateur'
> category at best, but have done a bit of freeware software-development work
> for direct PN measurement on various spectrum analyzer models.  The
> interferometric stuff is a bit beyond my (mental) resources at the moment,
> but I'm hoping to implement support for indirect/baseband measurement via PC
> sound cards at some point fairly soon.  So your low-noise DC amplifier paper
> from '04 is awaiting my attention.  (I was going to ask if you had any
> thoughts on Charles Wenzel's similar article on noise-measurement preamp
> design, but I see the link on his page at
> http://www.wenzel.com/documents/measuringphasenoise.htm is now broken...)
>
> Anyway, welcome to the list!  I'll shut up now and do some reading. :)
>
> -- john, KE5FX
> http://www.ke5fx.com
>
>
>   
>> Dear colleagues,
>>
>> I am new in this community, so I wish to introduce myself...
>> -snip-
>> 
>
>
> ___
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>
>   
John

However the Wenzel low noise amplifier article is still available at

http://www.wenzel.com/pdffiles/lowamp.pdf

Bruce
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Re: [time-nuts] phase noise and related stuff

[John Ackermann N8UR]

John Miles said the following on 03/31/2007 03:16 PM:
> Yep, that's the one.  It used to be linked from his measuringphasenoise.htm
> page but the link now points to something on his own f: drive, which is
> sadly inaccessible to the rest of us...

Yes, a bunch of the Wenzel links point to F:, but I've found that if you
strip that off you can reconstruct a URL that works.  I'm guessing that
the webspace is maybe a shared drive, or perhaps they upload from
network drive F: and sometimes get improper link addresses as a result.

John

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Re: [time-nuts] phase noise and related stuff

[Rex]

On Sat, 31 Mar 2007 11:45:08 -0700, "John Miles" <[EMAIL PROTECTED]> wrote:

>(I was going to ask if you had any
>thoughts on Charles Wenzel's similar article on noise-measurement preamp
>design, but I see the link on his page at
>http://www.wenzel.com/documents/measuringphasenoise.htm is now broken...)

Seems the page you want is here:
http://www.wenzel.com/pdffiles/lowamp.pdf


The parent page you mentioned has the link as a local development
location rather than a website-relative one.


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Re: [time-nuts] phase noise and related stuff

[John Miles]

Yep, that's the one.  It used to be linked from his measuringphasenoise.htm
page but the link now points to something on his own f: drive, which is
sadly inaccessible to the rest of us...

-- john, KE5FX

> John, I'm not sure if this is the article you had in mind, but there's a
> design for a low noise audio amp at
> http://www.wenzel.com/pdffiles/lowamp.pdf
>
> John
>


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Re: [time-nuts] phase noise and related stuff

[Rob Kimberley]

Hi Enrico,

Nice to have you "on board"

We have met previously at some of the EFTF meetings. 

Good to see you have joined Time Nuts!!

Kind Regards

Rob Kimberley 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Enrico Rubiola
Sent: 31 March 2007 16:21
To: time-nuts@febo.com
Subject: [time-nuts] phase noise and related stuff

Dear colleagues,

I am new in this community, so I wish to introduce myself.
Born in 1957, built the first receiver at the age of 11 and realized
immediately afterwards that that radio engineering is much easier than
social relationships.  Yet never got a call sign (shame on myself).  Now I
am a full-time academic in a government lab.

Some 20 years ago I got a sort of "mental illness" compelling me to measure
time-related noise (phase noise and so on) with the highest sensitivity and
accuracy. This increased a lot my nerd index, already high at that time.
I suspect that I am not alone. Well, I wish to inform you that most of my
weird stuff is available on my web page
http://rubiola.org
and more recently also on http://arxiv.org.

Best wishes to you all,
Enrico




Enrico Rubiola
professor of electronics

web:http://rubiola.org
e-mail: [EMAIL PROTECTED]

FEMTO-ST Institute
32 av. de l'Observatoire
25044 Besancon, FRANCE
voice:  +33(0)381.853940 (E.Rubiola)
voice:  +33(0)381.853999 (switchboard)
fax:+33(0)381.853998


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Re: [time-nuts] phase noise and related stuff

[John Ackermann N8UR]

John Miles said the following on 03/31/2007 02:45 PM:

>  (I was going to ask if you had any
> thoughts on Charles Wenzel's similar article on noise-measurement preamp
> design, but I see the link on his page at
> http://www.wenzel.com/documents/measuringphasenoise.htm is now broken...)

John, I'm not sure if this is the article you had in mind, but there's a
design for a low noise audio amp at
http://www.wenzel.com/pdffiles/lowamp.pdf

John

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Re: [time-nuts] phase noise and related stuff

[John Miles]

Hi, Enrico --

I think a lot of us already tracked down your (excellent) site based on a
couple of links to your papers that were mentioned on the list earlier.
Thanks for making that content available!  These days, it seems that half of
Google's search results on any given topic point to sites at IEEE and other
pay walls.

You're in good company -- there's a diverse mix of amateur/hobbyist types
and professional time-nutcases on this list.  I fall into the 'amateur'
category at best, but have done a bit of freeware software-development work
for direct PN measurement on various spectrum analyzer models.  The
interferometric stuff is a bit beyond my (mental) resources at the moment,
but I'm hoping to implement support for indirect/baseband measurement via PC
sound cards at some point fairly soon.  So your low-noise DC amplifier paper
from '04 is awaiting my attention.  (I was going to ask if you had any
thoughts on Charles Wenzel's similar article on noise-measurement preamp
design, but I see the link on his page at
http://www.wenzel.com/documents/measuringphasenoise.htm is now broken...)

Anyway, welcome to the list!  I'll shut up now and do some reading. :)

-- john, KE5FX
http://www.ke5fx.com


> Dear colleagues,
>
> I am new in this community, so I wish to introduce myself...
> -snip-


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[time-nuts] phase noise and related stuff

[Enrico Rubiola]

Dear colleagues,

I am new in this community, so I wish to introduce myself.
Born in 1957, built the first receiver at the age of 11 and
realized immediately afterwards that that radio engineering
is much easier than social relationships.  Yet never got a
call sign (shame on myself).  Now I am a full-time academic
in a government lab.

Some 20 years ago I got a sort of "mental illness" compelling
me to measure time-related noise (phase noise and so on)
with the highest sensitivity and accuracy. This increased a lot
my nerd index, already high at that time.
I suspect that I am not alone. Well, I wish to inform you that
most of my weird stuff is available on my web page
http://rubiola.org
and more recently also on http://arxiv.org.

Best wishes to you all,
Enrico




Enrico Rubiola
professor of electronics

web:http://rubiola.org
e-mail: [EMAIL PROTECTED]

FEMTO-ST Institute
32 av. de l'Observatoire
25044 Besancon, FRANCE
voice:  +33(0)381.853940 (E.Rubiola)
voice:  +33(0)381.853999 (switchboard)
fax:+33(0)381.853998


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