when using the Characterize Adapter macro I cannot connect to the PNA. firmware version is A.09.90.17.#
That one is a known issue and it has been fixed in a later release available on the web:
Release Notes for A.09.90.19
Additions/Changes for Version A.09.90.19 . . . (compiled 10/23/2015)Fixed: Noise figure: deembedding an adapter for power sensor cal is relying on mathematical offset of source attenuator instead of actual valuesFixed failure of adapter characterization: "Unable to connect" error.Fixed: Power offset was not applied correctly.Fixed: Noise Figure: TRL cal based NF gives bad noise calFixed: Bad trace updates when correction on and equation editor activeFixed: DC meter's X axis info is wrong
you can download that version from here
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