[time-nuts] HP E1938A question
GandalfG8 at aol.com
GandalfG8 at aol.com
Wed Apr 26 10:27:33 EDT 2017
I've confirmed that the software runs under Windows XP, but having seen it
running I don't think I'll be able to do much with it without some form of
However, I'll modify my test set up over the next day or so and see if I
can get the software to see an E1938A then take it from there.
In a message dated 25/04/2017 17:17:59 GMT Summer Time,
richard at karlquist.com writes:
I know that it will run on Windows 2000. It was originally
written on Windows NT4.
On 4/24/2017 11:06 PM, GandalfG8 at aol.com wrote:
> Thanks Rick, I understand better now.
> The turn over label is still on the crystal but not the matching label
> on the PCB.
> So far I've not been able to get the software to run but will try
> with some older versions of Windows and see how it goes with those.
> Nigel GM8PZR
> In a message dated 24/04/2017 17:28:56 GMT Summer Time,
> richard at karlquist.com writes:
> The main issue is that the oven will no longer be at the
> crystal turnover temperature. If you are using it in
> a benign environment, you might not need the extreme
> thermal performance enabled by being dead nuts on the
> turnover. You still have an oven with thermal gain
> in the 100's of thousands.
> The test software had the ability to sweep the oven temperature
> and allow you to find the turn over. There was some way to
> then set the oven to this temperature. I don't know if anyone
> currently knows how to make the software do this anymore.
> I knew at one time, but have long forgotten.
> Rick N6RK
> On 4/24/2017 5:41 AM, GandalfG8--- via time-nuts wrote:
> > I've just received an Ebay purchased E1938A, haven't tested it yet
> > I do have a 14 day return option, but unlike previous purchases
> of these
> > the serial number label is missing from the rear of the PCB so I
> have no
> > obvious way of knowing if the crystal is matched to the PCB.
> > Does anybody know if there's any embedded information that can be
> > that indicates the serial number of the board, or is there any
> other way I
> > can check if the crystal and PCB are matched?
> > If not, what issues could I expect from an unmatched crystal and
> > Nigel GM8PZR
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