Keysight x-series Programmer's Reference

3 VMA Mode
3.8 ACP Measurement
For each active trace, the current trace point is processed for Trace 1, then Trace
2, then Trace 3, etc. Trace data is taken from either the detector for that trace, or
Vector Modulation Analyzer Mode User's &Programmer's Reference 1382

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)