[Test-Equipment] HP8410 system questions

[J Forster]

Hi,

You might want to repost the question to the HP-Agilent list on Yahoo Groups.
Anyway:

Scott Townley wrote:

> 1. I have a fairly complete HP8410 system.  One piece that is confusing me,
> though, is my 8745A s-parameter test set.  All the documentation I have
> mentions that the rear of the instrument has 2 RF connections for reference
> line extensions..."unless not equipped".   But I see no reference to a
> specific option that equips/unequips the rear reference extensions.  The
> real question is:  why would one not be so equipped?  Mine happens to be
> unequipped, and I'm wondering how I'm going to manage that.

Perhaps it was a bit cheaper.

> Was that for
> test sets that were only intended for use with the transistor mounting
> fixtures 1660x?

Don't know. I'm not all that sure I've seen anything other than the standard
reference extension hardline section fitted. I suspect anything longer was for
ATE systems with complex fixturing.

> 2. I also have a 11604A Universal Extension (although without the rear
> reference line connections as above, I'm not sure of what use it is to
> me).  It came to me in the original plastic case, which is a
> bummer...because all of the foam is well-and-truly stuck to the
> Extension.  What is the best solvent to use to get that gunk off?

Try rubber cement thinner (heptane) in a well ventilated area. It's very
flamable.
Best,
-John

>
> TIA,
>
> Scott Townley NX7U
> Gilbert, AZ  DM43di
> mailto:nx7u at arrl.net
> http://members.cox.net/nx7u