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Looking for internal photos of 04284-65007 'Interface Box'


 

I'm looking to build myself an 04284-65007 Interface Box' to aid in performance testing my LCR meters.
From the 4263B manual, I have been able to mostly infer the connections to the 'DC Bias' connection, but so far I've been unable to figure out exactly how the 'Test Signal' connection is made.
I think it's pretty simple, but I just want to make sure I get it right...

Does anyone have one of these boxes that they can lift the lid on and take a couple photos of what's inside?


Thanks!
Jared


 

After taking a look at the 4284A Operation Manual, I derived the internal wiring layout for the 04284-65007 Interface Box.
I uploaded a diagram as per the link below:
/g/HP-Agilent-Keysight-equipment/photo/295711/3793461/04284-65007%20Interface%20Box%20Wiring%20Diagram.png

If anyone comes across one of these and can take a photo of the internals, I'd love to see how it is constructed.
For now I'll make a version with point-to-point wiring, I'll upload more pictures once it's done.


Jared


 

On Sat, 15 Jun 2024 at 08:20, Jared Cabot via <jaredcabot=[email protected]> wrote:

After taking a look at the 4284A Operation Manual, I derived the internal wiring layout for the 04284-65007 Interface Box.
I uploaded a diagram as per the link below:
/g/HP-Agilent-Keysight-equipment/photo/295711/3793461/04284-65007%20Interface%20Box%20Wiring%20Diagram.png

If anyone comes across one of these and can take a photo of the internals, I'd love to see how it is constructed.
For now I'll make a version with point-to-point wiring, I'll upload more pictures once it's done.


Jared

I can't recall seeing that on the cal certificate of a 4284A which I had calibrated by Keysight. Not 100% sure. I managed to get a free option 006 (support for 4 m cables) from them, which might be very useful for a possible job I have coming up.


 

On Sat, Jun 15, 2024 at 10:33 PM, Dr. David Kirkby, Kirkby Microwave Ltd wrote:
On Sat, 15 Jun 2024 at 08:20, Jared Cabot via <jaredcabot=[email protected]> wrote:

After taking a look at the 4284A Operation Manual, I derived the internal wiring layout for the 04284-65007 Interface Box.
I uploaded a diagram as per the link below:
/g/HP-Agilent-Keysight-equipment/photo/295711/3793461/04284-65007%20Interface%20Box%20Wiring%20Diagram.png

If anyone comes across one of these and can take a photo of the internals, I'd love to see how it is constructed.
For now I'll make a version with point-to-point wiring, I'll upload more pictures once it's done.


Jared

I can't recall seeing that on the cal certificate of a 4284A which I had calibrated by Keysight. Not 100% sure. I managed to get a free option 006 (support for 4 m cables) from them, which might be very useful for a possible job I have coming up.
You can see the use of the box (or equivalent connections) for performance verification on pages 10-6 and 10-9 of the 4284A Operation Manual. It is used on a few other instruments too for performance verification, but I don't think it is used for the actual calibration/adjustment IIRC.


Jared


 

We just use the std 4x BNC to test lead adapter.

No need for special fixtures at the DC and test freq.

Jon