Hello,
Has anyone attempted or successfully upgraded an older HP 5065A to use a
new 10811 oscillator?
HP created an upgrade kit for this purpose and provided a manual with full
schematics. While I would expect that upgrade kit is difficult
(impossible?) to find I imagine it might be possible to u
Hello,
I'm interested in purchasing a (preferably working) HP 5065A. I've
kept my eyes out on Ebay for a unit but no luck so far. If anyone has
one they'd be willing to part with please let me know!
Matt
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Jürgen Appel writes:
> Yes, this is a fundamental physical property which cannot be avoided.
>
> You can see it that way: If there is a given fluctuating time delay in your
> otherwise perfect 5 MHz signal, the amount of phase shift this time
> fluctuation corresponds to in a 10 MHz signal is
Hi,
I've got a 10 MHz distribution amplifier and am considering purchasing a
5 MHz reference. Most (not all) of my equipment accepts a 5 MHz
reference, but I'd like to be able to use the existing distribution
amplifier I have if possible. Therefore, I'm considering ways I might
generate a low-nois
"Poul-Henning Kamp" writes:
> The PRS-10 switches the polarity of the C-field solenoid at 5Hz to
> cancel out varying external magnetic fields.
>
> If that is not a concern for you, for instance because you use it
> in a stationary application, it can be disabled with the "MS0" command.
>
> It's
Dana Whitlow writes:
> But if you can stand the ADEV hump around 2 sec, the PRS-10 is delightful.
>
> BTW, the ordinary factory new PRS-10 does provide for direct locking to 1
> PPS,
> but many of the available surplus units had that feature removed. Tne new
> PRS-10's sold for years for $1595,
Bob kb8tq writes:
> I have a 740 as do others on the list. The big gotcha is the OCXO in the
> device.
> It has various quirks that limit the performance of the device. The ADEV plot
> they
> show for the OCXO is a “sometimes / maybe / might” sort of thing. One of the
> “get to it eventually”
Hi,
I'm curious to hear people's thoughts on the SRS FS740
(https://www.thinksrs.com/products/fs740.html) as a lab frequency
standard. The phase noise performance of the OCXO and Rb options seem
quite good (the same specs apparently apply during GPS disciplining too)
| offset | TCXO | OCXO/Rb
Hello,
I posted this on the HP-Agilent group
https://groups.io/g/HP-Agilent-Keysight-equipment/topic/10811_serial_prefix_2023/84530740?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,0,0,84530740
but was redirected here.
I'm debugging a faulty HP 8663A and am currently investigating the
10811A refe
