Set Up and Edit a Multitone Signal

// Create the MOD channel first.

*IDN?

SYST:FPR

disp:wind1:stat on

calc:cust:def 'ch1_PIn1','Modulation Distortion','PIn1'

disp:wind1:trac1:feed 'ch1_PIn1'

// Create a new flat-tone modulation file with 1001 tones.

sour:mod:file:type flat

sour:mod:file:sign:srat 200e6

sour:mod:file:sign:span 100e6

sour:mod:file:sign:span:pri 1

sour:mod:file:sign:tone:numb 1001

sour:mod:file:sign:tone:numb:pri 1

sour:mod:file:save 'd:\symphony\scpi\flat.mdx'

// Edit some of the tones by turning them off.

sour:mod:file:tone:coun?

sour:mod:file:tone:freq? 1001

sour:mod:file:tone:stat 1001, OFF

sour:mod:file:tone:stat 1002, OFF

sour:mod:file:tone:stat 1003, OFF

sour:mod:file:tone:stat 1004, OFF

sour:mod:file:tone:stat 1005, OFF

sour:mod:file:tone:stat 1006, OFF

sour:mod:file:tone:stat 1007, OFF

sour:mod:file:tone:stat 1008, OFF

// Edit some of the tones by changing their amplitudes.

sour:mod:file:tone:pow 1009, 0.0

sour:mod:file:tone:pow 1010, 0.0

// Edit some of the tones by changing their phases.

sour:mod:file:tone:phas 1011, 180.0

// Save the above edited tones in a CSV tone setup file for future use.

sour:mod:file:tone:save 'd:\symphony\scpi\multitonesetup.csv'

// Save the edited tones as a modulation file for use.

sour:mod:file:save 'd:\symphony\scpi\flat1.mdx'

// Turn all the tones on.

sour:mod:file:tone:all:stat on

// Save another modulation file with all tones on.

sour:mod:file:save 'd:\symphony\scpi\flat2.mdx'

// Load the saved CSV tone setup file back and save another modulation file.

sour:mod:file:tone:load 'd:\symphony\scpi\multitonesetup.csv'

sour:mod:file:save 'd:\symphony\scpi\flat3.mdx'