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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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RF Cafe Forums closed its virtual doors in 2012 mainly due to other social media platforms dominating public commenting venues. RF Cafe Forums began sometime around August of 2003 and was quite well-attended for many years. By 2010, Facebook and Twitter were overwhelmingly dominating online personal interaction, and RF Cafe Forums activity dropped off precipitously. Regardless, there are still lots of great posts in the archive that ware worth looking at. Below are the old forum threads, including responses to the original posts.

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nubbage
 Post subject: VNA Set Up Config
Posted: Mon Mar 03, 2008 11:18 am 
 
General
User avatar

Joined: Fri Feb 17, 2006 12:07 pm

Posts: 268

Location: London UK

Hi Yorl

I am currently starting a project to design and build a fairly complex X band signal generator, and so I am needing to carry out filter alignment at UHF, C band and X band as part of this. I rashly bid on a VNA and won.

I now have an HP 8410 with 8412 display and nothing else.

Obviously I need a sweeper signal generator and some test cables.

Qu.: what else do I need to plot S11 and S21 vs frequency?

Agilent seem reluctant to talk about museum pieces like this on their web pages, unless I am too short-sighted to notice where the 8410 might be described.

Help help help.

Nubbage in panic mode


 
   
 
sm7ovk
 Post subject:
Posted: Thu May 22, 2008 4:25 pm 
 
Captain
User avatar

Joined: Thu Jan 11, 2007 12:59 pm

Posts: 16

Hi,

have you looked at the Yahoo-group hp_agilent_equipment? The 8410 has been discussed there. I don't know about the 8410, but several manuals are uploaded at http://www.ko4bb.com/cgi-bin/manuals.pl

Regards

Jens


 
   
 
nubbage
 Post subject:
Posted: Mon Jun 02, 2008 11:25 am 
 
General
User avatar

Joined: Fri Feb 17, 2006 12:07 pm

Posts: 268

Location: London UK

Thanks Jens. I will check out this site. The manual I have is the full maintenance manual, but does not cover configuration details for particular types of test.

 
   
 
SunshineDesign
 Post subject: HP8410 Manuals
Posted: Sat Nov 08, 2008 11:54 pm 
 
Colonel

Joined: Sat Nov 08, 2008 11:35 pm

Posts: 30

Location: Ramona, CA

I did a search on Google for HP8410 and found several good references including an 8410 Owning and Operating Manual in pdf. I worked on that instrument in my old days at WJ. I did automation work with the old 11863T program to run this system. I completely rewrote it for lots of options. it's been a long while. The docs gave me a refresher and you need a 8411A Harmonic Converter and a reflection/transmission test set.

From doc: The 8740A, 8741A and 8742A are the earliest test sets. The 8740A is a reflection test set, the 8741A and 8742A are transmission test sets. or the Sparamters Test set for forward and reverse Refl/Tran 8745A,46A,47A,48A S-parameter test sets

Own/Op Manual Link: http://www.caip.rutgers.edu/~kahrs/papers/mud2k.pdf

Paper on Older VNA's: http://www.prc68.com/I/MWTE.shtml

On older instruments, the issue for Agilent is the cost to scan the documents and maintain them. I have been saving an archive of App Notes, Manuals etc for many years and have many of the old and no longer available ones from Agilent and some others.

I can also send files by email if you fail in the websites and I have a couple others. Good luck.

_________________

Sunshine Design Engineering Services


 
   
 
nubbage
 Post subject:
Posted: Mon Dec 08, 2008 12:08 pm 
 
General
User avatar

Joined: Fri Feb 17, 2006 12:07 pm

Posts: 268

Location: London UK

What a star!

I have glued most of the system together, and even done some limited tests.

Somehow, all the projects I ever worked on were too lean and mean ever to be able to afford a VNA, so I only recently got my hands on one.

I have the 8746A S-parameter test set, and regret that once I gave away the tranmission test set because I did not have the 8410.

The only trouble I am finding with the 8746A is that the transfer relays are intermittently operating instead of clunking over every time. This of course leads to a lot of confused reults and even more confused operator (me).

I found a service manual offer, but it was priced at $90, which about what I paid for the 8410.

The most expensive item was the 8411A.

I have recently obtained another 8410, but the X sweep does not seem to be working. I really need that service maual, but need the $90 even more.

Hopefully Father Christmas hacks into these emails.


 
   
 
nubbage
 Post subject:
Posted: Mon Dec 08, 2008 12:18 pm 
 
General
User avatar

Joined: Fri Feb 17, 2006 12:07 pm

Posts: 268

Location: London UK

And thanks to the help of Jens I have aquired the 8410 service manual, and the 8753 manual, which seems to be a similar beast to the 8746A S-parameter test set I have bought.

Thanks to you guys I am almost ready to be "cookin on gas"


Posted  11/12/2012

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