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E4407B schematics

 

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Dear Group,

I have been trying to get the schematics of an Agilent (HP) E4407B ESA-E spectrum analyser. I am replacing the notorious frequency divider. I would really appreciate if any member of the group could tell me where the schematics can be found.?

Thanks for your help,
Drod

?David Rodriguez Martin
Cambridge, UK
 

has them, the trick is to search on E4401B.
Best regards
Marcus
 

Keep in mind that there are at least TWO versions of the RF Deck board and the Artek manual only has the early version.
Do not have the part numbers handy.
?
Mark
?
 

I bought the Artek manuals for the ESA spectrum analyzer and they were useless. The Tracking Generator is the older version in the manual and the RF deck is also different and my unit was built in 1999 and it is HP branded. If your unit is Agilent I expect that it will not match also. I couldn't use any page from that scan.

This topic was discussed in the past and the only person that has a newer version is Shahriar from The Signal Path but he never shared his version with anyone as far as I saw.

On 05/05/2025 18:12, Marcus Gustafsson via groups.io wrote:
<> has them, the trick is to search on E4401B.
Best regards
Marcus

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