4
Audio Generator Functions
102
Keysight U8903A User’s Guide
DFD waveform
The DFD waveforms are similar to SMPTE IMD, except that the two tones have
equal amplitude and are spaced closer together. There are two predefined DFD
dual tones consisting of DFD IEC 60268 and DFD IEC 60118.
The following figure shows the DFD IEC 60118 waveform menu.
Figure 4-10
DFD IEC 60118 waveform menu
The DFD IEC 60118 waveform may be configured with the following parameters.
– Difference Frequency
– Upper Frequency
– Amplitude
– DC Offset
Amplitude refers to the amplitude of the composite signal.
Summary of Contents for U8903A
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