Keysight x-series Instruction Manual

7 Save/Recall/Print
7.2 Recall
2.
Cross terms
N is nonlinear order (odd number), M is memory order, M
c
is cross term memory
order
According to the sample file above, N=9, M=4,Mc=2 and OddOrderOnly = True, the
length of coefficients = 45 including 5 for linear items and 20 nonlinear items and 20
cross items
The DPD model coefficients are as below:
Y(n) = + +
Y(n) is the predistorted signal, X(n) is the reference signal.
7.2.44 Loss Comp
Sets the import file type to Loss Compensation Before DUT Table or to Loss
Compensation After DUT Table.
Mode NFIGURE
Parameter Name Recall Loss Comp
Control Path Recall
Parameter Type ImmediateAction
SCPI Command
:MMEMory:LOAD:LOSS BEFore | AFTer,<file_name>
SCPI Example
:MMEM:LOAD:LOSS BEF,"C:\LossBefore.csv"
:MMEM:LOAD:LOSS AFT,"C:\LossAfter.csv"
Notes Three file formats are supported:
–
Loss Compensation file (.csv)
–
Legacy Loss Compensation file (.loss)
–
S parameter file (.s2p)
Soft Key Label Loss Comp
Backwards Compatibility SCPI :MMEMory:LOAD:LOSS
Initial S/W Revision A.04.00
For .s2p files, only the S21 component is used for the loss compensation.
2252 Short Range Comms & IoT Mode User's &Programmer's Reference

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)