[time-nuts] SR-620 cal

[J. Forster]

Stanford Research is a rip-off any way you turn. Their support ethic is
just crap.

YMMV,

-John

================

> Hi guys,
>
> need some help with a cal on my SR-620 counter.
>
> In frequency measurement mode the unit always has an offset of up to
> +/-2E-010 after auto-cal when feeding the same 10MHz to the (A) input and
> to the
> external reference. It should not have any offset of course.
>
> Stanford says "the accuracy spec is +/-3.5E-010, so your unit is within
> spec". Sigh. that's a crappy spec I should say..
>
> Is this normal? On the Agilent counters I get 0.0 perfectly when  averaged
> when doing that test with the carrier subtracted, no matter what gate
> time
> I use.
>
> Any help would be great, as I have to decide if I pay Stanford to do the
> cal, and they won't guarantee that the unit will perform any better
> whatsoever  after spending $500 for the calibration..
>
> Thanks,
> Said
>
>
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