3 IQ Analyzer (Basic) Mode
3.1 Complex Spectrum Measurement
data acquisition time
If the electrical attenuator is enabled, any attempt to set Span such that the Stop Frequency would be
>3.6 GHz disables the Electrical Attenuator. It remains disabled if you then set Center Frequency
below 3.6 GHz
Preset 8 MHz
State Saved Yes
Min 10 Hz
Max Hardware Dependent, as detailed in the table of "Maximum Values" on page 202 below
Annotation Span <value> right bottom of graph
Maximum Values
Model Input Option Value
VXT model M9421A RF None 40.0 MHz
B40 40.0 MHz
B85 80.0 MHz
B1X 160.0 MHz
U-B85 Upgrade from 40.0 MHz to 80.0 MHz
U-B1X Upgrade from 80.0 MHz to 160.0 MHz
VXT models M9410A/11A RF M941xA-B3X 300 MHz
M941xA-B6X 600 MHz
M941xA-B12 1.2 GHz
M941xAU-B6X Upgrade from 300 MHz to 600 MHz
M941xAU-B12 Upgrade from 300 MHz to 1.2 GHz
M941xAU-BU1 Upgrade from 600 MHz to 1.2 GHz
VXT models M9415A/M9416A RF M941xA-B4X 400 MHz
M941xA-B8X 800 MHz
M941xA-B12 1.2 GHz
M941xAU-B8X Upgrade from 400 MHz to 800 MHz
M941xAU-B12 Upgrade from 400 MHz to 1.2 GHz
M941xAU-BU2 Upgrade from 800 MHz to 1.2 GHz
IQ Analyzer Mode User's &Programmer's Reference 202