Keysight x-series Instruction Manual

6 Input/Output
6.2 Input
pressed until the next screen is shown. For SCPI, this corresponds to the time from
issuing the CAL:IQ:FLAT:I|IB|Q|QB command until the operation is complete.
For example, if the prior instrument state is Cal Out = Off, Input = I+jQ, and
Differential = Off, then up until the time the "Next" button is pressed the I Input and
Q Input LEDs are on and the Cal Out, I-bar Input and Q-bar Input LEDs are off. Once
the "Next" button is pressed for the I port calibration, only the Cal Out and I Input
LEDs will be on and the others will be off. When the screen progresses to the next
step ("Next" button again enabled), the prior state is restored and only the I Input
and Q Input LEDs are on (Cal Out is off again).
The last calibration date and time for each port will be displayed. Any calibrations
that are more than a day older than the most recent calibration will be displayed
with the color amber.
The I/Q Isolation Calibration must be run before calibrating any port with either the
I/Q Cable Calibration or I/Q Probe Calibration. See "I/Q Isolation Calibration" on
page 2080
Dependencies Only appears when I/Q is the selected input
6.2.22.1 I Port
The I port calibration is performed with the front panel's I port connected via a short
BNC cable to the Cal Out port. The guided calibration will show a diagram of the
required connections.
Remote
Command
:CALibration:IQ:FLATness:I
Example
:CAL:IQ:FLAT:I
Notes The recommended procedure is to use the same BNC cable to calibrate all I/Q ports. All I/Q ports
should be calibrated sequentially during the procedure
The calibration data is saved as soon as the port is calibrated and will survive power cycles. It is not
reset by any preset or restore data commands
The I port must be connected to the Cal Out port before issuing the command
State Saved No
6.2.22.2 I-bar Port
The I-bar port calibration is performed with the front panel's I-bar port connected
via a short BNC cable to the Cal Out port. The guided calibration will show a
diagram of the required connections.
Remote
Command
:CALibration:IQ:FLATness:IBAR
Short Range Comms & IoT Mode User's &Programmer's Reference 2090

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)