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8506xA ECal modules and 89057A


 

I remember that was discussed previously but can't find it right now.

The 85097A manual says:

=== Cut ===
If you have an HP 8506XA module, a jumper can be installed to make it
compatible with the PC interface unit. Contact the nearest HP sales or
service office for information about returning your module for this
modification.
=== Cut ===

I have 89057a and a two-module 85064A ECal set.

The question is what is that jumper and where it should be installed (I
assume it is in ECal module, not in 89057A PC Interface.

I do have 85060C box as well but would like to get rid of it and just use
85097A for all ECal modules (8506XA, 8506XB, 8509XA).

Any information would help.

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I have an 85097 driving a 3.5mm F-F 1-26.5GHz module. I don’t have anything else to compare it to, but I could take high resolution pictures of the pcb. If you do the same, maybe we could figure out how they differ.

Is it possible only early ecal modules required a change?