Keysight x-series Measurement Guide

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Option EXM External Mixing
Using the M1970 Series Mixers with X-Series Signal Analyzers (Option EXM)
The spectrum analyzer performs an LO alignment using a detector in the mixer to set
the LO Power. During the alignment the yellow Busy LED turns on. Once the
alignment completes, the mixer is ready to make calibrated measurements since the
conversion loss values stored in the mixer are automatically loaded to the signal
analyzer.

Keysight x-series Specifications

General

Analysis Bandwidth	Up to 1 GHz (depending on model)
Real-Time Bandwidth	Up to 1 GHz (depending on model)
Form Factor	Benchtop
Connectivity	LAN, USB, GPIB
Resolution Bandwidth	1 Hz to 10 MHz (depending on model)