In a message dated 4/13/2007 07:01:35 Pacific Daylight Time, [EMAIL PROTECTED]
writes:
Try using Microsoft's Virtual PC. It's free! Beats dual booting!
_http://www.microsoft.com/windows/products/winfamily/virtualpc/overview.mspx_
(http://www.microsoft.com/windows/products/winfamily/virtualp
Jack Hudler wrote:
> Try using Microsoft's Virtual PC. It's free! Beats dual booting!
>
> http://www.microsoft.com/windows/products/winfamily/virtualpc/overview.mspx
>
>
>
I use Virtual PC and boot Ubuntu in it. Beware that it is a resource
hog. If you have a memory challenged machine, you
8:21 PM
To: [EMAIL PROTECTED]
Subject: Re: [time-nuts] Looking for Wavecrest Visi
In a message dated 4/11/2007 15:29:46 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
> I am trying to set up a Win98 machine with GPIB since I
> bought a quite old version of Visi from Wavecrest that runs
rmance is
> better.
>
> See the link for VMware server product:
> http://www.vmware.com/pdf/server_datasheet.pdf
>
>
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of [EMAIL PROTECTED]
> Sent: Thursday, April 12, 2007 6:56 PM
> To
EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Thursday, April 12, 2007 6:56 PM
To: [EMAIL PROTECTED]
Subject: Re: [time-nuts] Looking for Wavecrest Visi
In a message dated 4/12/2007 15:32:53 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
Another way to dual boot that would be a lot easier
In a message dated 4/12/2007 15:32:53 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
Another way to dual boot that would be a lot easier than trying to graft
Win98 onto a WinXP drive is to just use another drive for Win98. Even a 1GB
drive would do. Most modern motherboards allow you to
> I will try that. I may have to do a dual boot on that machine if it
> doesen't
> work out on XP. Installing Win98 after XP has been installed is an
> entirely
> other discussion...
>
> bye,
> Said
Another way to dual boot that would be a lot easier than trying to graft
Win98 onto a WinXP driv
In a message dated 4/12/2007 06:44:10 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
To set compatibility mode, find the executable and right-click for the
"properties". You will see a "compatibilty" tab. The settings should be
obvious. Click on the link at the bottom for more help.
> how do I do that, and still have the old software use the NI-488 drivers?
>
> thanks,
> Said
I don't know whether that old software will have a problem with drivers on
WinXP or not. As for compatibility mode, that applies to the program
executable itself. It changes settings under WinXP to ma
In a message dated 4/11/2007 14:22:14 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
I thought I remember from the manual that there's a whole
set of nice SCPI commands. Can't you just send them by
hand or code something up using the USB-GPIB board?
/tvb
If only I had the time...
Co
In a message dated 4/11/2007 15:29:46 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
> I am trying to set up a Win98 machine with GPIB since I
> bought a quite old version of Visi from Wavecrest that runs
> only on Win98.
Did you try using "compatibility mode" on WinXP to run that softw
Tom Van Baak wrote:
> 6a
>
>
>> I used a 100k sample average which yields (IIRC) 200 femtosecond
>> resolution in the 5370B, and for each run checked the min, max, and
>> standard deviation statistics to make sure nothing goofy was going on
>> Standard deviation for a run like that on my 5370B i
6a
> I used a 100k sample average which yields (IIRC) 200 femtosecond
> resolution in the 5370B, and for each run checked the min, max, and
> standard deviation statistics to make sure nothing goofy was going on
> Standard deviation for a run like that on my 5370B is typically 30 to 40ps.
>
> Joh
> I am trying to set up a Win98 machine with GPIB since I
> bought a quite old version of Visi from Wavecrest that runs
> only on Win98.
Did you try using "compatibility mode" on WinXP to run that software?
___
time-nuts mailing list
time-nuts@febo.com
> well - that's my main reason I did the post - I wish I had
> Visi for Windows2K so I could do exactly that!
>
> I am trying to set up a Win98 machine with GPIB since I
> bought a quite old version of Visi from Wavecrest that runs
> only on Win98.
I thought I remember from the manual that there's
Dr Bruce Griffiths said the following on 04/09/2007 09:20 AM:
> John Ackermann N8UR wrote:
>> I mistyped -- the cable was LMR-240 for the purists out there.
>>
> John
>
> Yes, fitting BNC or TNC connectors to LMR400 would have been an
> interesting exercise.
Actually, there are BNC and TNC c
John Ackermann N8UR wrote:
> John Ackermann N8UR said the following on 04/09/2007 08:40 AM:
>
>
>> I recently built 6 nominally 10 foot GPS antenna cables out of LMR-400.
>> They all had N connectors on one end, but the opposite ends were two
>> each of N, BNC, and TNC, which made measurement i
John Ackermann N8UR said the following on 04/09/2007 08:40 AM:
> I recently built 6 nominally 10 foot GPS antenna cables out of LMR-400.
> They all had N connectors on one end, but the opposite ends were two
> each of N, BNC, and TNC, which made measurement interesting because the
> needed tweeni
Dr Bruce Griffiths said the following on 04/08/2007 10:01 PM:
>> By doing this, you can actually observe the measured value increase very
>> slowly, one can even observe the sub 1ps values increase! Doing this, you
>> can
>> see about 3ps of added delay for every single turn of the SMA connec
[EMAIL PROTECTED] wrote:
>
> In a message dated 4/8/2007 16:49:00 Pacific Daylight Time,
> [EMAIL PROTECTED] writes:
>
> Since Wavecrest, 53132A etc have no specifications for the effect of the
> input circuit noise with a finite slew rate input, the only way to make
> a more precise compa
From: [EMAIL PROTECTED]
Subject: Re: [time-nuts] Looking for Wavecrest Visi
Date: Sun, 8 Apr 2007 21:12:52 EDT
Message-ID: <[EMAIL PROTECTED]>
Said,
> yes, the unit calibrates out the inputs using two reference signals that are
> swapped during the measurement. All that is needed
In a message dated 4/8/2007 17:09:34 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
This problem is one reason why I have a Windows 98 machine to run such
irreplaceable orphaned applications.
Yeah, same here but I got my only GPIB running on Win2K for my HP Spectrum
analyzers. Just n
In a message dated 4/8/2007 16:49:00 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
Since Wavecrest, 53132A etc have no specifications for the effect of the
input circuit noise with a finite slew rate input, the only way to make
a more precise comparison is to actually make some measure
[EMAIL PROTECTED] wrot
> I am trying to set up a Win98 machine with GPIB since I bought a quite old
> version of Visi from Wavecrest that runs only on Win98.
>
That's what usually happens with 16 bit Windows95/98 applications.
32 bit applications usually run on Win2K/XP/98 without difficulty.
In a message dated 4/8/2007 14:21:05 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
>Said,
>One way to settle this is for you to collect a data set
>of back-to-back single-shot time interval samples over
>GPIB and have a look at the data. Even a hundred
>samples is enough; it will take a
[EMAIL PROTECTED] wrote:
> Hi Bruce,
>
> again, I did say in my original post that my math only works if their noise
> is Gaussian, and that I did not know if it was.
>
> Also, please note that they do claim 25ps Accuracy , and 800 femtoseconds
> Hardware resolution, not the other way aroun
From: [EMAIL PROTECTED]
Subject: Re: [time-nuts] Looking for Wavecrest Visi
Date: Sun, 8 Apr 2007 15:42:15 EDT
Message-ID: <[EMAIL PROTECTED]>
Bruce, Said,
> again, I did say in my original post that my math only works if their noise
> is Gaussian, and that I did not know if it was
> Hi Bruce,
>
> again, I did say in my original post that my math only works if their noise
> is Gaussian, and that I did not know if it was.
>
> Also, please note that they do claim 25ps Accuracy , and 800 femtoseconds
> Hardware resolution, not the other way around.
Said,
One way to settl
In a message dated 4/8/2007 04:02:38 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
The Wavecrest instrument only has a single shot resolution of 25ps not
as you claim 800fs (this is only achieved after averaging)
The above counters can only be compared for this purpose if their single
[EMAIL PROTECTED] wrote:
>
>
> Hi Bruce,
>
> My math is essentially their reference [4, p.26], and I did state that I
> don't know the exact interpolator, trigger, and frequency-dependent noise
> functions of the Wavecrest.
>
> DTS-2075 is superior to the SR-620 and 53132A in time interva
In a message dated 4/7/2007 15:16:30 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
Your theoretical resolution seems somewhat awry see:
http://www.femto-st.fr/~rubiola/conference-articles/2005fcs%28rubiola%29-count
ers.pdf
Hi Bruce,
My math is essentially their reference [4, p.26],
Said
Some of the highest resolution techniques for comparing 2 10MHz sources are:
1) Use a Quartzlock A7-MX - resolution 5E-14/tau equivalent to 50 fs at
1 sec.
2) Use the JPL technique: Measure the beat frequency between the 2
oscillators (offset one oscillator by 1Hz using an offset generato
[EMAIL PROTECTED] wrote:
>
> In a message dated 4/7/2007 04:08:20 Pacific Daylight Time,
> [EMAIL PROTECTED] writes:
>
>
> The Wavecrests are wonderful tools, but they address a different problem
> than
> what normal time-nuts usually care about, so they are not a given perfect
> counter fo
In a message dated 4/7/2007 04:08:20 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
The Wavecrests are wonderful tools, but they address a different problem
than
what normal time-nuts usually care about, so they are not a given perfect
counter for long term comparision. It is aimed at j
From: [EMAIL PROTECTED]
Subject: Re: [time-nuts] Looking for Wavecrest Visi
Date: Sat, 7 Apr 2007 08:59:28 +0200 (CEST)
Message-ID: <[EMAIL PROTECTED]>
> On Sat, April 7, 2007 8:38, [EMAIL PROTECTED] said:
>
> > BTW: not sure why these units are not so popular on th
In a message dated 4/7/2007 00:00:25 Pacific Daylight Time,
[EMAIL PROTECTED] writes:
On the only "time-nut visit" I have done, the nut was VERY proud of his
Wavecrest! You do not think the userbase is limited by pricelevel and
availability?
Hi Bjoern,
there is one on Ebay today for $9
On Sat, April 7, 2007 8:38, [EMAIL PROTECTED] said:
> BTW: not sure why these units are not so popular on this list, they have
> picosecond cable-length measurement which is fantastic to measure Antenna
[...]
On the only "time-nut visit" I have done, the nut was VERY proud of his
Wavecrest! You
Hello guys,
I am looking for Wavecrest Visi software for my DTS-2075 jitter analyzer.
Does anyone know where to get it?
BTW: not sure why these units are not so popular on this list, they have
picosecond cable-length measurement which is fantastic to measure Antenna cable
delays, <3ps in
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