ntenna splitter that also had some gain.
Then i had to replace it w. a 26dB version of same type, else the
"Jackson Lite" was loosing sync.
What i mean here, is that you can get too much gain too.
Btw: Good price.
CFO
Denmark
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if it works for you.
thanks,
-Dave
*** Sip ***
Also: We're building a RasPi based logging platform for VoltNuts for now @
http://www.eevblog.com/forum/metrology/raspberry-pi23-logging-platform-for-voltnuts/
CFO
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fter 40x40x20mm 12V= 9m³/h von Sunon
Haven't mounted it yet though.
/CFO
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F connector cable.
I now have installed a quad active antenna splitter (50ohm) , using the
same 75ohm cable , and a F-->N adapter at the splitter end. And see no
noticable problems using 75ohm cable there.
CFO
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On Thu, 04 Aug 2016 17:24:31 +, Mark Sims wrote:
> Probably the best way for most people to keep their clock accurate is to
> use something like NTP
Doesn't Meinberg have a Win7 version of ntp on their homepage ?
Why not use that
CFO
__
Group
My Google-Fu has failed me, while locating a manual for a
Symmetricom Starloc II , not the Starloc II Plus.
If anyone has the manual, and would be kind enough to mail it to me.
Id' be grateful, e-mail size is no problem.
TIA
CFO
Denmark
seem to loose my Cal , and i can only do the "simple" TI cal @home.
So i'm not sure i want to do that, if i have to send it to a shop for Cal.
TIA
CFO - Denmark
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*bay search for #: 131819953988
CFO
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think the 10Khz jupiters are
"gone" , but a LEA5-T or LEA6-T could output ie. 1Mhz , the divide the
OCXO by 10 and phaselock the 2.
Use "millers" XOR
http://www.jrmiller.demon.co.uk/projects/ministd/frqstd0.htm
Or this one using a 4046
http://gpsdo.i2phd.com/
Pure "Ana
me info (datasheet) on this model ?
TIA
CFO
Denmark
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i-Usb-Blaster-Cable-For-CPLD-FPGA-NIOS-JTAG-Altera-Programmer-/272097471982
Rgds
CFO - Denmark
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-09-06 - in bottom of page.
http://www.ulrich-bangert.de/html/downloads.html
The Mega8 version should be easy to port to an Arduino clone
CFO
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it gets a GPS fix. Then it will remember it
(until next reboot)
CFO
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On Wed, 13 Jan 2016 14:31:25 +0100, Ole Petter Ronningen wrote:
> Sounds like a PICDIV is just about right:
> http://www.leapsecond.com/pic/picdiv.htm
>
Ulrich B made an AVRDIV, for those who use AVR's (bottom of page)
http://www.ulrich-bangert.de/html/downloads.ht
nk.
He also mentioned that the board prob. would go to 3.5GHz
I tried it out with my Agilent E4432B that max out @3GHz , and it worked
excellent.
CFO
Denmark
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http://andrelubbock.blogspot.co.nz/2015/09/rubidium-frequency-
standard.html
CFO
Denmark
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FTM_CLKIN/EXCLK - Max freq is Mainclock/4) ,
see (Family Ref. pg. 113, 214 & 774)
If using EXTAL and USB , you want to make sure that the USB part still
gets it's 48Mhz (via the PLL mul/div).
Maybe divide 10Mhz (XTAL) by 2 , and mul by 48, in the PLL.
Rgds
CFO - Denmark
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and that the
drivers are available (downloadable).
CFO
Denmark
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On Thu, 10 Sep 2015 18:06:23 -0700, Nick Sayer via time-nuts wrote:
> What I wonder about is pin 6 on the connector. Google results seem to
> indicate that that’s supposed to be a PPS output, but what I get on it
> is a fixed -5v or so. Anybody know what this signal is supposed to be?
AFAIK
d , even the "real ones" are clones (work ok)
http://www.eevblog.com/forum/testgear/flood-of-new-agilent-82357b-gpib-
usb-adaptors-on-ebay-the-real-deal/
I have a Beiming and an Agilent (prob a clone) , both works fine with
liunx-gpib.
On Fri, 26 Jun 2015 19:40:02 +, Ryan Stasel wrote:
All,
Anyway, just figured it might be of interest to those on this list that
are also involved in data Networking (or just find it interesting).
-Ryan Stasel
Thanx Ryan
You just saved my a.. on 4 of my Nexus 5K's
CFO
Denmark
using Quartus2 on Linux (Mint17) , works ok.
But Modelsim needs some extra libs to function.
CFO
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On Sun, 07 Jun 2015 11:23:40 +0100, David C. Partridge wrote:
My reading so far of what's been said in this thread is that you might
get good results using a CPLD/FPGA as a divider but ... .
..
..
..
Thanks again Dave
Is this going to be an open source project, or something you buy ?
CFO
a 10dB in the drawer.
Watch out for putting a too high signal into a 1V-PP Video Dist Amp.
CFO
Denmark
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some of the Wide-Input ATX (Red-ATX plug) supplies from them ,
they run excellent. Takes up no space , and are totally silent.
I'd recommend the WI model , as you can use a spare laptop-psu or
whatever you have lying around.
CFO
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and it might be time to recreate this functionin some
other modern HW.
What about the Odroid C1 ?
http://tinyurl.com/qd7m4cz
Quadcore Armv5
Price as a RasPI
Gigabit Enet - Not usb connected
CFO
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know the outcome.
CFO
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.
And have enabled stats on the 6680B, for each 10 reading blocks.
I'm reading out logging F-max,min,mean and sdev
What else cold be fun ??
CFO
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On Fri, 20 Mar 2015 15:27:22 +, R.Phillips wrote:
Gentlemen I have recently acquired an HP 58503A which is working
perfectly,
Was it the UK one going quite cheap ?
The seller didn't answer me if he would ship outside UK, so i had to let
it go.
Congrats w. a nice instrument
CFO
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E
Gents
I just got a Racal 9480 w. OCXO and 40x10MHz outputs I can't find any
user or service manuals for this unit.
Can anyone help out here ?
I don't even know if the OCXO labeled Frequency Standard 11-7038
is an Opt 04A or 04F.
TIA CFO - Denmark
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assumptions i'd be
gratefull.
TIA
CFO -Denmark
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,-9.10,3870,6,1.7941415,59.8047,9.4E-10,0,8,0x0*55
$PJLTS,-4.30,-9.10,3871,6,1.7941431,59.8047,9.3E-10,0,7,0x0*5C
$PJLTS,-4.46,-9.10,3872,6,1.7941451,59.8048,9.3E-10,0,9,0x0*59
Björn do you have the same splitter , i know Magnus does
/CFO
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is under ways from US
CFO
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% )
*** SNIP ***
CFO - Denmark
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the
MegaWizzard , and there were no errors or warnings.
Strange if the Min input is 11Mhz
Anyways , thanx for enlighten me Bob.
CFO
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CFO
Denmark
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Ignore - testing new email
CFO
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it from here (*bay# 180791401271) , and after i
complained about the missing 1PPS and told seller the fw. version i had
in mine, he wrote the fw. version info on the page.
/CFO
Denmark
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channel is reporting windspeed in meter/sec , and on rare
occations km/h.
But Second-meter seems to be the standard here in DK
CFO
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Rgds
CFO - Denmark
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://datasheets.maximintegrated.com/en/ds/DS1123L.pdf
I hope someone here might have practical experience with the DS1023
TIA
CFO - Denmark
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of tee , and counter on
other end of tee (50 ohm terminated).
CFO
Denmark
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-info-on-a-bliley-nv92a721-10mhz-
ocxo/
Shorter
http://tinyurl.com/p5lomyq
TIA
CFO - Denmark
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$
Thanx for the nice tool
CFO
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, that wants max 1.8v in the clockinput.
CFO
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of resisters wired as a voltage divider. I like the
comparator best because it will not load the clock. Diodes will load it
for other users.
Could you come up with some part numbers please.
Ie. witch comparator would handle 10Mhz
CFO
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Until now it's quite cheap
*Bay #141175251426
CFO
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capacitance having some trouble to achieve something
in the 4ns region. Well 4ns seems hard whatever device anyway.
Have a look here Jim Williams on eevblog
https://tinyurl.com/nhyvtc3
CFO
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Filters ATS-0W - 19 unit
model 1000.1755.02
http://tinyurl.com/px4w8tz
I can't find any info at all on the net , and was wondering if anyone
here had some info , especially about the GPIB (programming) and TTL plug
on the backside.
TIA
CFO
Denmark
On Sun, 15 Dec 2013 13:16:26 -0500, Tommy phone wrote:
CFO...
I'd consider the'94E plenty suitable for time-nuts needs and you can do
a lot with it.
What questions do you gave about the HPIB?
From Tom Holmes,N8ZM
Hi Tom
Thanx for the 94E assurance.
There is plenty info on the 94E
.
But NO reverse pwr trips .
The Spect analyser picts i don't think i can fully decode.
I suppose (hope) the attenuator is electronic , and unbreakable in the
ESG D series
Hope someone can give some advice , especially if the attenuator cycles
is something to be worried about.
TIA
CFO
On Tue, 19 Nov 2013 15:44:16 +, cfo wrote:
I can get it for approx 1500 US$ delivered on my doorstep (EU) , this is
not a bad price. Considering a US buy would be + shipping 25% VAT on
unit+ship.
Correction : Price is 1350 US$ delivered
CFO
to wear.
So i have decided to get the unit.
CFO
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On Mon, 11 Nov 2013 20:44:59 +, cfo wrote:
I have finally succeded in making linux-gpib build and load the
agilent_82357a_gpib module.
I have put the howto online here
http://www.eevblog.com/forum/reviews/using-a-raspberry-pi-with-linux-gpib-
and-a-beiming-or-agilent-usb-gpib-adapter
GPIB-USB. Both reported my Keithley IDN ok.
CFO - Tnut Beginner
*** Kernel snip *
Nov 11 20:22:06 raspberrypi-3 kernel: [ 184.631539] Linux-GPIB 3.2.19
Driver
Nov 11 20:22:06 raspberrypi-3 kernel: [ 184.664507] agilent_82357a_gpib
driver loading
*** Agilent insert
Nov 11 20:22
with a 40dB Andrew IceCone like this one (26dB)
https://tinyurl.com/pryrunv
CFO
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On Tue, 10 Sep 2013 20:04:05 +, cfo wrote:
I have 2 firmware types , an i2c eeprom image , and an uploadable
firmware (like the real Agilent).
Ohh just to elaborate ...
I use linux-gpib from SVN (under Debian-7 and Mint-14)
and I got a new test firmware from Beiming (not released
got the Tube/pipe mount kit along ... See 290975411221 (ok
price) or 271265728193
CFO
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who sold those PLETRONIC 26Mhz OCXO's with
100ppb stability (seems to be sold out).
CFO
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://tinyurl.com/pyyprva
CFO
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the linux-gpib bindings, and trying out gpib-utils on my HP
34401a.
I haven't done any binary xfer's yet , but i know Beiming is working on
testing that.
Beiming claims to have Visa compability under Windows, and aims for the
same under linux.
CFO
On Tue, 10 Sep 2013 18:19:09 +, cfo wrote:
I'm currently playing around with a Beiming GPIB adapter under
linux-gpib.
I'm using the SVN version , and i haven't detected any problems yet...
http://tinyurl.com/prncq7w
I have 2 firmware types , an i2c eeprom image , and an uploadable
check the voltage selector , put the lid back on , and do the
tests from the manual.
More to follow.
CFO
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lucky
it arms and show 99.7 or so If i leave it It ends in Err02
after a while.
Any hints ?
CFO
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be ok on
the 5370A
Thank you for any hints/tips,warnings or help.
CFO - T-Nut Beginner Denmark
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On Wed, 28 Aug 2013 20:06:11 +0100, Dr. David Kirkby wrote:
On 28 August 2013 17:35, cfo
xne...@luna.dyndns.dk wrote:
and as the seller wrote it is fully working , and passes self test. I
was wondering if anyone could give some hints to test that it's working
ok.
I often ask sellers how
out the 1PPS signal from
the chip.
As a backup plan have a look at this one *Bay 290860812674
It has 10Khz, afaik it's the one mentioned for the Miller GPSDO.
Make sure also to get the Antenna cable that belongs to it.
CFO
Denmark
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-display-promo-landing-page/?
emailid=GBU078_NTD_Promo_ProdPglead_source=Web
http://tinyurl.com/ptopb86
But it's funny ... I think there was a price on that page earlier ...
CFO
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at NIST.
I would really appreciate if anyone on the list could help me , in
getting a NIST contact. Otherwise i suppose i have bought an expensive
(EU shipping) box of components.
I have found a bit of info here
http://tiny.cc/tvzzvw
TIA
CFO , Denmark
this getting way off topic.
Regards Paul WB8TSL
Ohh ... Should have gone to volt-nuts instead (forgot) ...
Will repost over there ... Sorry
CFO
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On Tue, 23 Apr 2013 13:45:02 -0400, Mike S wrote:
On 4/23/2013 10:31 AM, cfo wrote:
I don't expect NIST to keep the commandset (manuals) a secret , but
doesn't have any contacts at NIST.
Can you read the ROM(s), and do a strings on them?
I suppose so ...
When my unit arrives from/via
to the OCXO ?
I'd have thought the OCXO would like it Nice and warm with out thermic
disturbances.
But the i'm just a t'nut beginner
CFO - Denmark
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complaining a little bit.
I got the seller to report the fw vers detected in mine.
See 'bay #180791401271
I would love to be able to upgrade the FW , but haven't found any newer
firmware or instructions.
So the X72 is taking a rest for now ...
CFO
On Thu, 14 Mar 2013 00:02:22 -0500, David wrote:
My 1992 lacks GPIB so I can not use it for logging unfortunately and I
lack a better timebase for comparison purposes anyway. Those are on my
list of things to take care of.
'bay 370570297836 $50
CFO
-codes-from-rsa-
secureid-token/
CFO
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/forum/testgear/agilent-dsa-x93204a-33ghz-80gss-
teardown/
CFO
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/6680battery_zpsb93793b7.jpg
Thanx Arthur.
I have an X72 here and some FEI-5680A's
Could you share some info , maybe off-list
TIA
CFO
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.
The manual states that loosing the settings on a 6680 is no big problem ,
but on the 6681 you loose the interpolator calibtation. And it sounds
like that's not a good thing.
I didn't know you had to watch out for Battery on a PM6680/81.
CFO - Tnut-Beginner
Denmark
/
The Via-picoITX boards are neat (small)
I like this QuadCore
http://www.mini-itx.com/store/?c=90
CFO Tnut Beginner
Denmark
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On Tue, 11 Dec 2012 13:54:24 +, Chris Wilson wrote:
Is there a version of Lady Heather for Linux, or any equivalent
application please? Thanks.
LH runs fine in Wine - I have 2 instances running on my Ubuntu server.
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On Sun, 09 Dec 2012 15:11:34 +, cfo wrote:
On Sat, 08 Dec 2012 11:24:15 -0500, Mike Garvey wrote:
Is there a way to search the Archive?
I can find the archive, but there seems to be no way to search the
content.
Thanks, Mike
I sometimes use this site , has excellent search
-800.html?cPath=174
http://www.seeedstudio.com/depot/xc9572xl-cpld-development-board-
p-799.html
That would take care of the SMD stuff
CFO
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... fluke.l). Is clearly visible now.
CFO - tnut beginner
Denmark
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issues as the HP's ,
the paper john presented wasn't clear about the pendulum models ?
I'm also using timelab , to do the measurements.
TIA
CFO - Tnut beginner
Denmark
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volt-nuts is also present (this year)
CFO
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.. a similar unit eB# 200798058748 , but at
the listed price, you might want to go for one of the Extrons from US
CFO Denmark
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thunderbolts,and especially this one (eB#)
170886463609
US located , and the only decent priced Tbolts left on eB
CFO - Denmark
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On Thu, 16 Aug 2012 20:38:42 -0500, Michael Blazer wrote:
Do you know the part number of a chip to replace the DS1620?
Mike
Afaik this number on the eB.. site is a
working good one a C2 : 140376728803
Sold by same guy with the 26Mhz ocxo's
CFO - Denmark
expected
The Lady shows 5.43E-13 as ADEV on the Tbolt-Osc , so the above might
be what to expect.
Thanx to all that have contributed to my learning process :-)
CFO - T-Nut Beginner
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osc.
I was suggested by a fellow T-Nut , that connecting the Tbolt via a
BNC-T , to both EXT-Ref Chan-A , and then do ADEV with a 1 sec gatetime.
Would be a good start. So i'll prob. start with that.
Next i have a X72 some FEI-5680A's , that i could connect to Chan-A
TIA
CFO - Timenut
On Tue, 03 Jul 2012 14:34:08 +, cfo wrote:
I just got a PM6680/016 - Std. Osc + GPIB + 1.3Ghz -Chan.C The best my
budget could afford :-)
I would like to try out John's Timelab. But only have a
Prologix-Ethernet GPIB adapter , no USB version.
I was wondering if anyone can confirm
interval A-B inputs (blush)
CFO
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.imageshack.us/img15/5705/76696902.png
CFO
Ps: I hope it's ok to ask here ...
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of the
manual).
I will try this now , and i assume i should then select Frequency in the
Data Type - In TimeLab , as i don't use A-B measurements .. Or ?
I'll also dig into - How to calculate measurement errors , as you
describe above.
Regards
CFO - Tnut-Beginner
).
I suppose it's because it's pre SCPI.
CFO
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hints are welcome ...
CFO
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- 330uF 50v
C13 Neg. REF CAP - 470uF 50v - 330uF 50v
I posted some pics here.
http://tinyurl.com/cn9p4s9
Does anyone have a schematic of a E3610A , that might have ie. LM1458 in
it or a 6.9v Ref , instead of a 5v Ref ?
Tia
CFO Denmark
Just saw this , and know some of the guyzz have Rigol's.
http://www.eevblog.com/forum/general-chat/using-rigol-ds1052e-for-
spectrum-analysis/
http://meteleskublesku.cz/wfm_view/
I cant test as it apparently needs Win7 or Server2008
Maybe anyone else could benefit.
CFO
On Sun, 03 Jun 2012 18:16:15 -0400, Bob Camp wrote:
Hi
As long as it shows rev E or rev D it's likely a later version unit.
The date code on the OCXO is the best indicator, but even that's not
100%. As long as it's one made after about 2002 you will have a good
one.
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