Keysight U9361C - MATLAB Script for VMA Calibration Table Setup

82 U9361C/F/G/M RCal Measurement Guide
Programming with MATLAB
Magnitude Calibration and Comparison with Use Current Meas
Magnitude Calibration and Comparison with Use Current Meas
This script allows you to perform a magnitude calibration that utilizes the Use
Current Meas command for an efficient demonstration of RCal’s RX power
correction capabilities.
clear all;
close all;
instrreset;
clc;
% Define Parameters Here:
SA_address = 'USB0::0x2A8D::0x0D0B::MY49431812::0::INSTR'
SG_address = 'USB0::0x0957::0x1F01::MY53050777::0::INSTR'
center_freq = 5;
freq_span = 2;
amp = -50;
cal_group = 1;
cal_row = 1;
% Create VISA objects for your X-Series Signal Analyzer and Power
Source
my_SA = visa('keysight', SA_address);
my_SG = visa('keysight', SG_address);
% Connect to the instruments
fopen(my_SA);
fopen(my_SG);
% get instrument identification to make sure we are speaking with
the
% devices
query(my_SA,'*idn?')
query(my_SG,'*idn?')
% Set up SG to sweep from 5 to 6 GHz, 101 points, -20dBm
fprintf(my_SG, ':FREQuency:MODE LIST');
fprintf(my_SG, ':SWE:GEN STEP');
fprintf(my_SG, ':FREQ:CENT %dGHz', center_freq);
fprintf(my_SG, ':FREQ:SPAN %dGHz', freq_span);
fprintf(my_SG, ':POW %ddBm', amp);
% Set X-Series Signal Analyzer to basic mode, set trace to <> hold
order to see avg. power
% level before calibration
fprintf(my_SA, ':INST:SEL SA');
fprintf(my_SA, ':SYST:PRES:TYPE MODE');
fprintf(my_SA, ':FREQ:CENT %dGHz', center_freq);
fprintf(my_SA, ':FREQ:SPAN %dGHz', freq_span);
fprintf(my_SA, ':TRAC1:TYPE MAXH');