Hello,
Does anybody know details about the time interpolator in the 53230A? I
did not find service manuals online containing the 'Theory of Operation'.
The 5370 interpolator obviously was well-respected for its high
linearity and low jitter, based upon the dual-vernier digital
interpolator,
On 03/11/2012 09:09 AM, Frank Stellmach wrote:
Hello,
Does anybody know details about the time interpolator in the 53230A? I
did not find service manuals online containing the 'Theory of Operation'.
The 5370 interpolator obviously was well-respected for its high
linearity and low jitter, based
Frank Stellmach wrote:
The 5370 interpolator obviously was well-respected for its high
linearity and low jitter, based upon the dual-vernier digital
interpolator, but other T.I. counters containing analogous
capacitor-integrators often suffer from non-linearities and higher jitter.
The
10811 ocxos are still made for Agilent today, they are used in instruments such
as the 5052B. I have seen the assembly line a little while ago.
Today's variants are supposed to have better phase noise. Not sure about
stability, I would expect them to be equal or better. Good designs don't go
On 03/11/2012 06:20 PM, Said Jackson wrote:
10811 ocxos are still made for Agilent today, they are used in instruments such
as the 5052B. I have seen the assembly line a little while ago.
Today's variants are supposed to have better phase noise. Not sure about
stability, I would expect them
101A
https://plus.google.com/u/0/photos/111617808980322733757/albums/5718694502890226481
115CR
https://plus.google.com/u/0/photos/111617808980322733757/albums/5718697892451866241
116AR
https://plus.google.com/u/0/photos/111617808980322733757/albums/5718699462521152657
hopefully not a repeat post
http://metrologyforum.tm.agilent.com/bio-cutler.shtml
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On Mar 9, 2012, at 4:28 PM, Peter Monta wrote:
Interesting that WWVB is running a phase-modulation test---thanks for
the links. Is the signal format known? A quick search shows nothing
specific, just we're testing.
Could someone record a few minutes of the broadband signal so that
those
Not sure, maybe through Agilent.
Not through the factory, I tried..
Bye,
Said
Sent From iPhone
On Mar 11, 2012, at 10:33, Magnus Danielson mag...@rubidium.dyndns.org wrote:
On 03/11/2012 06:20 PM, Said Jackson wrote:
10811 ocxos are still made for Agilent today, they are used in instruments
Again - test transmissions are from the USCG site at Wildwood Crest, NJ.
That was the old USCG engineering station which has been dismantled and the
only thing left is the 600+ foot tower and loran transmitter that was used
for engineering tests and as a back up if needed. I am 7 miles from the
On Sat, Mar 10, 2012 at 5:07 AM, Filip Ozimek me_su...@o2.pl wrote:
could you recommend me a good project of GPS-DO? I've got a GPS module with
1PPS output and a 20 MHz VCXO.
As I understand to do a phaselock to 1 PPS signal one must build some kind of
digital PLL. But I'm not sure
how to
nice a cs ref in the backyard
On Sun, Mar 11, 2012 at 7:43 PM, Bill Riches bill.ric...@verizon.netwrote:
Again - test transmissions are from the USCG site at Wildwood Crest, NJ.
That was the old USCG engineering station which has been dismantled and the
only thing left is the 600+ foot tower
Is an Austron 1201A of any use? I may be able to get one. What is a
rational price?
How difficult is it to get an analog output, so I don't have to use
the chart recorder? I didn't see any output connectors on it.
Any chance of documentation? Googling found nothing.
Joe Gray
W5JG
On Mar 11, 2012, at 12:53 PM, John Seamons wrote:
I took a look at this. Pictures and video here: http://jks.com
I believe what they were doing is applying a simple 180 deg phase shift to
the carrier (BPSK) during certain one second timecode intervals.
Whether there was anything fancier
Hello Norm,
Do you still have the HP5370 for sale?
Thanks,
Sam
W3OHM
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Hello,
Does anyone have any experience with the Symetricom Chip Scale Atomic
Clock? Seems interesting.
http://www.businesswire.com/news/home/20110118005182/en/Symmetricom-Announces-General-Availability-Industry%E2%80%99s-Commercially-Available-Chip
Sam
I believe what they were doing is applying a simple 180 deg phase shift to
the carrier (BPSK) during certain one second timecode intervals.
I suppose this will help coherent receivers somewhat, but I was
expecting something DCF77-like. A pity.
Thanks for posting your data. You certainly
... or I suppose we could ask.
I did ask, using the contact email on the NIST page (John Lowe). I'll
forward any replies to the list.
Perhaps we could encourage a more ambitious DCF77-like scheme, if
that's really not in the current plans for WWVB. Especially given the
recent demise of
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