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Bruce Griffiths wrote:
> Don Collie wrote:
>
>> I`ve always wondered about noise from batteries - please tell us more
>> Bruce!! [also wondered about noise from the electrolytic action of
>> aluminium, and tantalum elec
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Don Collie wrote:
> I`ve always wondered about noise from batteries - please tell us more
> Bruce!! [also wondered about noise from the electrolytic action of
> aluminium, and tantalum electrolytic capacitors, and wondered
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Don Collie wrote:
> I`ve always wondered about noise from batteries - please tell us more
> Bruce!! [also wondered about noise from the electrolytic action of
> aluminium, and tantalum electrolytic capacitors, and wondered
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I'm a little surprise that nobody has done an extensive search. The
M100 manual has been available on the www.to-way.com Web Site for
months x(n)..
TTFN
Had, K7MLR
I`ve always wondered about noise from batteries - please tell us more
Bruce!! [also wondered about noise from the electrolytic action of
aluminium, and tantalum electrolytic capacitors, and wondered if the
reference bypass capacitor in a 723 should be a plastic dielectric type,
rather than
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I have the ORIGINAL HP7475 Graphics Plotter SERVICE MANUAL dated June 1990.
It has complete schematics, disassembly, adjustments, parts lists.
I also have a rather extensive supply of new HP short pen style plotter pens and
r
You can find lots of documentation at:
http://www.hpmuseum.net/exhibit.php?hwdoc=74. Much less painful to download.
- Original Message -
From: "Neon John" <[EMAIL PROTECTED]>
To: "Discussion of precise time and frequency measurement"
Sent: Saturday, October 20, 2007 11:07 PM
Subject: R
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I know I have not been consistent with file names. I have started converting
the directories to underscores instead of blank spaces and will work my way
through the directory structure in an attemp to rename everything in a more
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David,
Sorry about the link - not my file or website. I found the manual on
ko4bb's web site,and just copied the link that I used to download it
myself. Sorry about the confusion. Hopefully others can navigate in to
find t
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Don Collie wrote:
> Great idea!!,Don C.
>
Now all you need is a current limited bypass switch to protect the load.
Such a switch is relatively easy to implement.
Bruce
___
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Tom Clifton wrote:
> This has been a fascinating and educational thread! I
> have always been aware of noise coming from switching
> regulators - just have Argo or Speclab look at your
> laptop's sound card with "no input" sign
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This has been a fascinating and educational thread! I
have always been aware of noise coming from switching
regulators - just have Argo or Speclab look at your
laptop's sound card with "no input" signal and there
is plenty to l
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Well, there is another trick of the control trade, used to bring
batch process reactors up to the desired temperature in a hurry.
At first, you turn on full heat for an experimentally determined
time. You turn it off at the end
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Great idea!!,Don C.
- Original Message -
From: "Max Robinson" <[EMAIL PROTECTED]>
To: "Discussion of precise time and frequency measurement"
Sent: Saturday, October 27, 2007 10:07
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In a message dated 10/26/2007 14:59:29 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
>> That is a recipe for disaster if one wants a really low noise oscillator.
>> This is particularly true if one is a beginner.
>> R
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Pete wrote:
> Switchmode regulators really are risky for use in a low
> noise environment. Even if you can reduce input and
> output conducted noise to acceptable levels, the
> opportunity for magnetic coupling from the inducto
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J.D. Bakker wrote:
>> Poul-Henning Kamp wrote:
>>
>>> Considering the efficiency and easy availability of switchmode
>>> supplies these days, I would never bother with a linear regulator
>>> in a new design.
>>>
>>> For
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Switchmode regulators really are risky for use in a low
noise environment. Even if you can reduce input and
output conducted noise to acceptable levels, the
opportunity for magnetic coupling from the inductor
to adjacent wiring
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>Poul-Henning Kamp wrote:
>> Considering the efficiency and easy availability of switchmode
>> supplies these days, I would never bother with a linear regulator
>> in a new design.
>>
>> For instance national has a series of
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Poul-Henning Kamp wrote:
> Considering the efficiency and easy availability of switchmode
> supplies these days, I would never bother with a linear regulator
> in a new design.
>
> For instance national has a series of switch mo
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Considering the efficiency and easy availability of switchmode
supplies these days, I would never bother with a linear regulator
in a new design.
For instance national has a series of switch mode regulators (LM25xx)
which just
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I do have some experience with temperature controlled ovens. I found that a
long term plot of the temperature while using an unregulated supply on the
oven heater showed small random variations due to voltage variations. Whe
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Great Ernie!
BTW: we have posted the latest version (1.13) of the software on our website
which fixes some minor issues we found.
bye,
Said
** See what's new at http://www.aol.com
___
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At 9:04 AM -0400 10/26/07, Bill Powell wrote:
>The Efratom M100 manual is now available to download at:
>
>http://www.ko4bb.com/Manuals/5)_GPS_Timing/Efratom - M100.pdf
>
>Regards,
>Bill
>af4jg
Bill,
Thanks for publishing that
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Don Collie wrote:
> Hi Grant,
> What`s wrong with a diode and a
> capacitor?.Don C.
>
>
>
Otherwise known as an AM detector??
Depends if just the absence of a signal is to be dete
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Don Collie wrote:
>> Bruce
>> I don`t think the higher current created when a fuse is used instead of
>> near-instantaneous current limiting is "alleged", but rather a real problem
>> that can cause damage further down the lin
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The Efratom M100 manual is now available to download at:
http://www.ko4bb.com/Manuals/5)_GPS_Timing/Efratom - M100.pdf
Regards,
Bill
af4jg
Original Message
Subject:Re: [time-nuts] M100.pdf
Date: Th
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Hi Grant,
What`s wrong with a diode and a
capacitor?.Don C.
- Original Message -
From: "Grant Hodgson" <[EMAIL PROTECTED]>
To: "Discussion of precise time and frequency mea
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Hi Said,
Just info, yesterday I have received the Unit.
It went thru the German Customs too. No problem.
Many thanks and regards,
Ernie HG5ED
-Original Message-
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
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- Original Message -
From: "Bruce Griffiths" <[EMAIL PROTECTED]>
To: "Discussion of precise time and frequency measurement"
Sent: Friday, October 26, 2007 12:36 PM
Subject: Re: [time-nuts] Parallel voltage regulators
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