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Generating and Downloading
Data to the Agilent ESG-D RF
Signal Generator for Digital
Modulation
Product Note
E4430B 1 GHz
E4431B 2 GHz
E4432B 3 GHz
E4433B 4 GHz
Table of Contents
3 Introduction
4 Digital data processing by the Agilent ESG-D with baseband
generator option
5 Modulating the RF carrier with digital data
6 Data and control bit definitions
6 Controlling data and protocol with direct write to memory
7 User Files
9 User Files for framed transmission
11 Avoiding problems
13 When multiple User Files are selected for different time slots
14 Summary
15 Appendix A: GPIB interface cards available for PCs
and workstations
16 Appendix B: SCPI commands for User File loads
18 Appendix C: Accessing User Files in the Agilent ESG-D
19 Appendix D: Sample programs
19 Appendix E: Related literature
Introduction PN13. Any PN sequence can be generated exter-
Many testing applications for wireless digital com- nally on a computer and saved to the ESG-D file
munications systems require specific data patterns system.
modulated on an RF carrier. The following exam-
ples are only a few of the possible applications,