N5161A/62A/81A/82A/83A MXG Signal Generators User's Guide

Custom Digital Modulation (Option 431)Custom ModulationCustom ModulationCustom Modulation has built–in modulation standards such as TETRA and DECT; and pre–definedmodulation types such as BPSK and 16QAM that can be used to create a signal in addition, itprovides the flexibility to modify the digital format’s attributes.ARB Custom Modulation Waveform GeneratorThe signal generator’s ARB Waveform Generator mode is designed for out–of–channel testapplications. This mode can be used to generate data formats that simulate random communicationtraffic and can be used as a stimulus for component testing. Other capabilities of the ARB WaveformGenerator mode include:• configuring single or multicarrier signals. Up to 100 carriers can be configured.• creating waveform files using the signal generator’s front panel interface.The waveform files, when created as random data, can be used as a stimulus for component testingwhere device performance such as adjacent channel power (ACP) can be measured. TheAUTOGEN_WAVEFORM file, that is automatically created when you turn the ARB Waveform Generatoron, can be renamed and stored in the signal generator’s non–volatile memory. This file can later beloaded into volatile memory and played using the dual ARB waveform player.For more information, refer to “Waveform File Basics” on page 140 and “Modes of Operation” onpage 4.264 Agilent N5161A/62A/81A/82A/83A MXG Signal Generators User’s Guide