PROTECTED] Im Auftrag von Didier Juges
Gesendet: Samstag, 14. Juli 2007 05:38
An: 'Discussion of precise time and frequency measurement'
Betreff: Re: [time-nuts] HP 5370B jitter
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From: [EMAIL PROTECTED]
Subject: Re: [time-nuts] HP 5370B jitter
Date: Fri, 13 Jul 2007 17:16:38 EDT
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Said,
Returning to this message...
I sent spectrum plots of the 10MHz 5370B output to this list
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Hej Magnus
Magnus Danielson wrote:
Further investigations have now shown that the 10811 output is clean, just a
little 3rd harmonic but nothing to worry about. The INT test point is also
clean. I suspect the output drive part, as
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From: Magnus Danielson [EMAIL PROTECTED]
Subject: Re: [time-nuts] HP 5370B jitter
Date: Sun, 15 Jul 2007 02:54:10 +0200 (CEST)
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Hej fellow time-nuts,
So, no more 5 MHz with overtones on my HP5370B
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In a message dated 7/14/2007 16:45:19 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
It's only purpose in life is to light a LED only visible to the servicing
engineer (me in this case). Thus, making a small modification to
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In a message dated 7/13/2007 14:09:43 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
probes), trimming up the 200 MHz multiplier chain. I shifted it down from
17 ps RMS to 3.9-4.0 ps RMS. Most of the trimmings where on the 200
I don't see much of anything around 5 MHz offsets (attached)...
-- john, KE5FX
However, I was quite supprised to notice that there is alot of
modulation on
the 10 MHz output. The histogram shows two distinct gaussian
bells and when
checking the high-frequency modulation it showed a 5 MHz
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Subject: Re: [time-nuts] HP 5370B jitter
Date: Fri, 13 Jul 2007 17:16:38 EDT
Message-ID: [EMAIL PROTECTED]
Hi Said,
I sent spectrum plots of the 10MHz 5370B output to this list earlier, the
output
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Magnus,
My first 5370A had severe distortion on the 10 MHz output, but in my case.
It looked like 30 MHz with some 10 MHz component (no 5 MHz), and was
otherwise stable. It turned out some of the capacitors in the output filter
of
