ke...@rosenberg.net said:
For 1ns jitter, do you have a recommendation of modulation (ASK/PSK?) and
carrier frequency?
All the digital communication over fiber that I'm familiar with is simple
on-off baseband, no carrier. Digital geeks use encoding rather than
modulation.
One
Gents,
Wrote: There are a number of paragraphs with the same number and Appendix C is
missing all the schematics. PS both the links go to the same document.
Wrote: original was edited by a third party (including in particular the
paragraph headers) around the time that Mr. Feldmann died. I
On Wed, 24 Apr 2013 10:09:14 -0600
Kevin Rosenberg ke...@rosenberg.net wrote:
On Apr 24, 2013, at 2:50 AM, Attila Kinali att...@kinali.ch wrote:
[...]
low jitter (sub 1ns rise/fall times). For the transmitters, if possible
go for those with laser diodes and modulate them (ie no on-off
Hello Folks!
I turn to you in hope someone can help me.
The old but good signal generator 8640B is by Agilent declared obsolete and no
support available.
The frequency counter in the last production versions, has a Pre-Scaler P/N
08640-60306 quite different from the old one 08640-60168.
The old
Try this page:
http://www.jvgavila.com/hp8640b.htm
maybe the problem described is exactly what you are experiencing on yours.
On Thu, Apr 25, 2013 at 11:25 AM, Alf Pousar alf.pou...@surffi.net wrote:
Hello Folks!
I turn to you in hope someone can help me.
The old but good signal generator
Try www.ArtekMedia.com
Dave has IMO the best info on HP (and other) stuff available.
Best,
-John
==
Hello Folks!
I turn to you in hope someone can help me.
The old but good signal generator 8640B is by Agilent declared obsolete
and no support available.
The frequency
Use a maximal length PRN sequence with a unique state (say all ones) tied to
1 pps)
Receive by correlation to recover time of unique state.
Lester B Veenstra MØYCM K1YCM W8YCM
les...@veenstras.com
US Postal Address:
5 Shrine Club Drive
HC84 Box 89C
Keyser WV 26726
GPS: 39.33675 N 78.9823527
It is now www.artekmanuals.com
But I fully agree. This is a great resource if you are in to the legacy test
equipment.
Regards,
Tom
- Original Message -
From: J. Forster j...@quikus.com
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Thursday,
The problem with analog 10MHz is the non-linear parts at each end of
the fiber optic. It would be hard to get a nice sine wave at the
output.
I think if you have a requirement for very clean sine wave at the far
end you'd best try to phase lock a local XO. Send a 10 MHz square
wave down the
Hi Everyone,
Does anyone have the change sheets that apply to the prefix 2816A.
I only have the one that covers up to prefix 2740A.
Thanks,
Corby
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If you also Google 8640B manual several sites will pop up offering
free pdf manuals for this unit.
Greg
Alf Pousar alf.pou...@surffi.net wrote:
Hello Folks!
I turn to you in hope someone can help me.
The old but good signal generator 8640B is by Agilent declared
obsolete and no support
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