[time-nuts] bad ocxo or measurement artifact ?

[J. Forster]

Yes. If you were using an analog scope you'd see something rational, but
nowhere close in calibration.

The extra 3 signals might be cross-talk between the channels.

-John

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

> Looking at the output of Greenray Industries Y-313-16A 160 MHz OCXO I
> discovered a new feature of my Hp 54501 scope. It split the signal into 4
> traces each with a different amplitude and they are phase shifted from
> each other. P to P levels are 2.8V, 116mv, 53mv, and 9mv. Not much
> difference running the oxco on a battery or substituting the scope probe
> with coax cable rg58 6' with a tee and 50 ohm termination.
>
> Could this be a aliasing effect of the AD sampling the as the scope is a
> digital 100Mhz scope ?
>
> No I don't know what I'm doing :-) But I would like to know.
>
> Stanley