Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide 341
Creating and Downloading User–Data Files
User File Data (Bit/Binary) Downloads
Selecting a Downloaded User File as the Data Source
This section describes how to format SCPI commands for selecting a user file
using commands from the Custom modulation formats. While the commands
shown come from only two formats, the concept remains the same when
making the data selection for any of the other real–time modulation formats
that accept user data. To find the data selection commands for both framed
and unframed data for the different modulation formats, see the signal
generator’s SCPI Command Reference.
1.
Select the user file:
2.
Configure the remaining signal parameters.
3.
Turn the modulation format on:
:RADio:CUSTom:STATe On
Modulating and Activating the Carrier
Use the following commands to modulate the carrier and turn on the RF
output. For a complete listing of SPCI commands, refer to the SCPI Command
Reference.
:FREQuency:FIXed 2.5GHZ
:POWer:LEVel -10.0DBM
:OUTPut:MODulation:STATe ON
:OUTPut:STATe ON
Modifying User File Data
There are two ways to modify a file after downloading it to the signal generator:
— Use the signal generator’s bit file editor. This works for both bit and binary
files, but it converts a binary file to a bit file and adds a 10–byte file header.
For more information on using the bit file editor, see the signal generator’s
User’s Guide. You can also access the bit editor remotely using the signal
generator’s web server. For web server information, refer to the
Programming Guide.
— Use a hex editor program on your PC or UNIX workstation, as described
below.
Unframed Data
:RADio:CUSTom:DATA "BIT:file_name"
:RADio:CUSTom:DATA "BIN:file_name"
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