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Don Collie wrote:
Bollocs, Bruce! If National say it will do it, you can bet that it will. An
LM338K will do the job too, but in my opinion it`s overkill, and in the
event of a short circuit on the output of the regulator
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From the info given, the TOD will be a HaveQuick serial time string. Need to
know what version of HaveQuick.
I have some info on an Excel spreadsheet which may help. Will dig it out.
Rob
-Original Message-
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- Original Message -
From: Bruce Griffiths [EMAIL PROTECTED]
To: Don Collie [EMAIL PROTECTED]; Discussion of precise time and
frequency measurement time-nuts@febo.com
Sent: Thursday, October 25, 2007 7:20 PM
Subject:
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Dear Ulrich,
You question is not as much off-topic as you might think. It is all
about frequency stability and resonators ;-) In the past I used to work
with SAW-devices and micro-balances. We developed our own sensors and
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On Thu, 25 Oct 2007 11:04:06 +0200, Jeroen Bastemeijer [EMAIL PROTECTED]
wrote:
Dear Ulrich,
You question is not as much off-topic as you might think. It is all
about frequency stability and resonators ;-) In the past I
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Hi Bernd,
as you know I have a look to the AXTAL web pages @ www.axtal.com from
time to time (highly recommended to other members of time nuts too) but
I completely overlooked this product range. Must have been that the term
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Don Collie wrote:
Hi Bruce,
I`ve got the National Semiconductor Corporation Voltage Regulator
Handbook [1982]. On page 3-3, the leftmost graph shows the LM117/217/317 as
having its current limit, with a junction
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Hi Morris,
I also found the Harting manufacture (USA) for the connectors and was in
contact with their Tech support trying to get some for Kit Scally. You can buy
the female (same as on the Z3815A board) at Arrow
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Hi Grant:
Your re-triggerable monostable idea has been implemented and is called a
missing pulse detector.
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.precisionclock.com
http://www.prc68.com/I/WebCam2.shtml 24/7
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Hi Didier:
When just a diode is used the stretching is only at the bottom of the trailing
edge and not enough to help. But when a little capacitance is added it works.
The period is the same as what the SR620 reported, 1/
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I'm working on a synth. project which can take either an external
10MHz
reference input or use an internal TCXO. It would be nice if the
presence (or more importantly, failure) of the external 10MHz ref.
could be
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Just to let anyone interested know,
I've uploaded an M100.pdf to Ko4BB.com.
Phil
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At 04:00 PM 10/25/2007, you wrote:
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Just to let anyone interested know,
I've uploaded an M100.pdf to Ko4BB.com.
Phil
Couldn't find it Phil, at least not
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Hi:
I think the Q-1814 uses STANAG 4430 for the Time Of Day interface. Does anyone
have a copy they can emial to me?
http://www.prc68.com/I/O1814.shtml
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
Brooke,
See the attached which I put together for a project some time ago.
Hope it is useful.
Cheers
Rob Kimberley
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Brooke Clarke
Sent: 25 October 2007 22:16
To: time-nuts@febo.com
Subject: [time-nuts]
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Hi Rob:
Thanks, that will help when I get to setting the clock. But now I'm still
working the physical layer. Things like how many wires, what signals are on
them, where is the 1 PPS and is it turned off if the clock is
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John
It's probably still in the upload section
Phil G4FXY
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From: Bruce Griffiths [EMAIL PROTECTED]
Subject: Re: [time-nuts] Parallel voltage regulators
Date: Thu, 25 Oct 2007 13:51:47 +1300
Message-ID: [EMAIL PROTECTED]
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Magnus Danielson wrote:
From: Bruce Griffiths [EMAIL PROTECTED]
Subject: Re: [time-nuts] Parallel voltage regulators
Date: Thu, 25 Oct 2007 17:42:51 +1300
Message-ID: [EMAIL PROTECTED]
Don Collie wrote:
Hi Tom,
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At 06:31 PM 10/25/2007, you wrote:
John
It's probably still in the upload section
Phil G4FXY
Aaahh! Then I am sure it will make it out very soon.
Thanks
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Hi guys,
Yes it's still in the upload section.
At the moment, my uplink is busy uploading ~2.5 GB of manuals donated by
someone, so I'll get to the M100 as soon as possible. I'll be out of town
tomorrow, so it may be
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Glad it works. I found the same here and that's why the better pictures were
made with a 5600pF cap that just happened to lay on the bench...
Didier
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL
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Hi John,
Neon John wrote:
A somewhat related question. Can a quartz crystal be used as a pressure
(actually
medium to high vacuum) sensor? Specifically, over the range of perhaps 1
Torr to
1e-6 Torr. IOW, over about
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