[evlatests] EVLA Hardware

[Jim Jackson]

Remember that the receiver and T302 have a considerably wider 
bandwidth than the 1 GHz bandwidth of the samplers.  We have had 
P-band receiver birdies before that did not show up in the bandpass 
plots at the default LO frequencies. In fact I think that was the 
case the very first time we saw this - the birdies were around 6 or 7GHz.

Jim

At 07:45 AM 10/4/2007, Charles Kutz wrote:
>Also and very importantly, we did not see any P-Band "birdies" in the
>passbands.
>
>Chuck
>
>Rob Long wrote:
> > Chuck and I set up ant 11 at C-band and Ken is right, the T304 levels do
> > not look correct!  We will probably have to make a trip to the antenna
> > tomorrow to see what's going on.
> >
> > The Deformatter rack for ant 1 (and all following antennas) has been
> > installed in the new correlator room.  It has power (but was unplugged
> > after it was checked out), RF signal cables, etc. and will be ready for
> > use as soon as Linda installs the fiber cable from the optical demux to
> > the deformatter rack (probably Monday).
> >
> > Rob
> >
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