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E4426B connector on N fractional board

Question asked by martine1212 on Jun 8, 2011
Latest reply on Jun 14, 2011 by martine1212

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Hello:
We have an E4426B in where one of the coaxial connectors from the N fractional board to the main board is not making good contact.
We would like to know what type of connector it is, since we have not had any luck trying to find it.
Yes the instrument is obsolete, but it would be a pity to toss it just for a bad connector.
Pictures of the connector:

https://picasaweb.google.com/rfgelitron ... q8zr2UbA&f\eat=directlink

Any information is appreciated

Thank you

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6 Replies

tabbott Jun 9, 2011 8:51 AM
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Hi -

Unfortunately, the semi-rigid cable that you are looking for that connects from the Frac-N is W40, E4423-20009. This part number can be found in the ESG-B Service Guide, http://cp.literature.agilent.com/litweb ... -90335.pdf page 198 of file or Section 4 Part replacement under cable Table 4-14.

Regards -
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martine1212 Jun 9, 2011 9:33 AM
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Yes I checked the manual, and believe me that if the answer were there I would not be here asking.
Sorry not looking for the semirigid cable......
I need to replace one of the connectors on the fractional N PCB board. The inner contact seems to be broken somewhere.....
Take a look at the pictures, it is not the semi-rigid..... that one would have been an easy fix.
So what type of connector it is??
Where can I find it.....
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tabbott Jun 10, 2011 9:44 AM
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Hi -

I made the guess that you were referring to the semi-rigid connector - sorry.

The connectors on the fractional N PCB board cannot be replaced, You will have to replace the whole module, E4423-60019. Unfortunately, the product has already End Of Support since October 31, 2010 and we no longer have this module available.

Regards -
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martine1212 Jun 10, 2011 11:03 AM
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I already removed the faulty connector and yes there was a bad center pin.
Nothing that a rework station can not do....
Are you saying that the coaxial connectors were custom made???
The board works, only a bad connector... .. so no supplier for the connector ?
Yes, we already know the instrument is out of support and the module is no longer available...so tossing the instrument just for one connector seemed a bit extreme.
That is why we were wondering about the manufacturer.... :?:
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tabbott Jun 14, 2011 12:42 PM
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Hi -

Removing it is much easier process.

Replacing the connector requires special tool as well as the proper tools to adjust the connector into the board. Then, the board has to be adjusted.

We do not have the capability to do the calibration and adjustment for the boards.

Unfortunately, the supplier who built the Frac-N board assembly stopped producing the board a long time ago.

Regards -
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martine1212 Jun 14, 2011 1:55 PM
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Actually, all it took was to talk direclty to the Agilent's parts guys..... very helpful and knowledgeable as usual no matter the thing is completely obsolete (good old HP style)
With the information they provided and some searches on the net it seems the connector is:

Type M coaxial contacts (or connectors) PCB Mount
DIN 41612 Connectors from HARTING
Available at Mouser.
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E4426B connector on N fractional board

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