Question: TSG4100A - Output Level Accuracy (IQ modulation relative to CW) test procedure
Answer: Here is the revised Output level accuracy (IQ modulation relative to CW) test procedure for TSG4100A. An updated revision for the specification and performance verification document 077-1078-00 Revision B.
https://www.tek.com/-/media/files/faq/faq_783004_tsg4100_output_level_accuracy_iq_mod_cw.pdf