Hi Murray:
Rick was involved in it's development. Have a look at:
http://www.karlquist.com/oven.pdf
and
http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5729181
You might also ask Dave Cunningham at Agilent dcunningham @ agilent.com . Not
expecting to get it, but rather to get it on the
A Year in the Life of Galileo´s Rubidium Clocks
http://sidt.gpsworld.com/gpssidt/article/articleDetail.jsp?id=428265
The measured performance of the clocks meets the specification over short
and medium timescales. A few jumps in clock frequency have been observed,
which impact the lon
Hi,
Does anyone know where I might find a manual for the HP E1938 'hockey
puck' oscillator?
Yes, I know about the stuff on TVB's site - what I need is the user
manual or technical manual.
73,
Murray ZL1BPU
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Hi Jason:
RS-422 and RS-484 are differential systems BUT can be directly connected to
RS-232 equipment. See: http://www.prc68.com/I/Trimpack.shtml#Com and look at
the I/O cable paragraph and table. Pay no attention to the pin letters for the
mil connector and read the footnotes under the tabl
Interesting you would mention that! After my first post I pulled the board
with the connector and was looking at the traces from the DB-25. One of the
chips nearby is a SN75176AP which I found a PDF saying it is a differential
bus transceiver (RS422). I have a SBC that you can set the com port to
R
RS-485 is a balanced drive (i.e., 2 floating wires). It would be better to
power it up and see if the standard RS-232 signal levels are present on the
proper pins (2 & 3) before doing anything else (assuming absence of a manual).
I do not know if there is a standard pinout for RS-485 on a dsub 2
It might be RS-485 and so multiple displaies could have its own address on a
multidrop setup.
About the only trick there is finding out if its 2 or 4 wire 485 (probably 2
because of the address).
Think I've seen some USB to 485 converters on the market, but you might get
away with driving it with
So off of an impulse (and low bid of $9.99) I bought a Kode 375-928 display
off eBay. No picture or anything in the auction, but I figured I would take
the chance and hopefully nobody else would bid.
A huge box came today, and guess what was inside? This display has to be
about 3 to 4 feet long! I
Hallo Jack, thank you,
I did load your file, compliments again for your big work.
But perhaps you misunderstood my remarks.
This file I knew already, I have as well the original printed issue,
my comments refer to the other file (.del) with the very
interesting annex, containing error correction
Next FMT details at:
http://pages.suddenlink.net/k5cm/
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Try this; http://www.hparchive.com/Manuals/HP-10811AB-Manual.pdf
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Arnold Tibus
Sent: Monday, May 21, 2007 9:30 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Oscillator H
The PTTI 2007 website has been updated with the Call for Papers. The link
to the CFP is:
http://tycho.usno.navy.mil/ptti/PTTI2007CallforPapers.pdf
Nikki Jardine
Naval Research Laboratory
Code 8150
4555 Overlook Avenue SW
Washington, DC 20375
202-767
Robert,
Sorry, I meant GPS units.
Rob
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Robert Atkinson
Sent: 23 May 2007 08:05
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] QUARTZLOCK product guide
Hi Rob,
I'm surpris
Hi Rob,
I'm surprised, lots of their model 2A 198kHz off-air PLL references out
there.
Robert.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Rob Kimberley
Sent: 22 May 2007 22:45
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [
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