Agilent Technologies 93000 SOC Series Training Manual page 242

Mixed-signal training

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Lesson 5 – Waveform Generation with the Mixed-Signal Tool

Alternatively, you can load tone definitions you have created and

saved before.

Multitone Definition in the Frequency Domain

Click the >> button to get to the to the Phase Algorithm Setup

window. There you select the algorithm to determine the phase

offsets of the individual tones.

The phase offsets have a significant impact on the shape of the

final multitone waveform and are used to control the PRR (Peak-

to-RMS-Ratio) of the multitone waveform.

Further, you enter in this window the upper and lower limit for

the PRR of the calculated multitone waveform (Gaussian Criteria).

The PRR is the ratio of the absolute value of the maximum

amplitude of the multitone waveform and the RMS (Root-Mean-

Square) of that waveform in dB.

The Linear and the User defined phase values algorithms assign

phase offsets to the tones and then check whether the PRR limits

are matched. The Random algorithms assigns random phase

offsets, checks the resulting PRR value against the limits, and

repeats this up to Maximum number of calculations times, until

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