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8513A T/R test set attenuator question


 

Greetings,
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I have an 8510 VNA system running well with an 8515A S-parameter test set.
I'm trying to convert a spare 8511A (sampler only box) into an 8513A T/R test set.
That should just involve adding a 26 GHz directional bridge, a few hard lines + attenuators.
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I found a few discrepancies in the 8513A Service Manual regarding installed attenuators.
Would a kind soul be able to confirm what is actually installed in the 8513A T/R test set?
A picture of the internals would be great start.
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Thanks for the bandwidth,
Benoit Robert
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