Jose,
I am not familiar with the specific attenuators you show but I suspect that
they are hermetically sealed units, similar to the HET switch. The HET
switch appears to be the 5061-4820. The attenuator appears to be 5061-4822
and 5061-4823. It looks like 5061-4819 is the Reverse Power detector.
However, the interconnects are not very clear on the picture (though the
picture is of good quality).
The problem I have seen is that these hard lines get 'bent' center
conductors. I would carefully remove each of them from the HET switch on
down the line, carefully inspect the center conductor and the 'socket' it
mates with (light and magnifiers needed) to make sure that there is not
something simple going on.
Opening these sealed units could be a problem but I have heard of folks
doing that.
Good luck.
Joe
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-----Original Message-----
From: hp_agilent_equipment@...
[mailto:hp_agilent_equipment@...] On Behalf Of Jose V. Gavila
Sent: Tuesday, January 01, 2013 4:24 PM
To: hp_agilent_equipment@...
Subject: Re: [hp_agilent_equipment] HP-8657A question
Hi Tom,
Oh, one other thing. I have seen this problem caused by a bad coax
connection to one of the modules. They are compression fittings to
the outer conductor and if over tightened, damage will occur.
Thanks for the hint!
So, if that is the case, what would you do to fix it?. I mean, is it a
good idea to disconnect them to check?. I have no clue of how the mating
is made... is there any online picture of them?
Regards,
JOSE
--
73 EB5AGV - JOSE V. GAVILA - IM99sm La Canyada - Valencia(SPAIN)
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