140 U8903A User’s Guide
Appendixes
Appendix A: SMPTE IMD and DFD Default Settings
The SMPTE IMD default settings are listed in the following
table.
The DFD default settings are shown in the following table.
SMPTE 1:1 SMPTE 4:1 SMPTE 10:1
Amplitude ratio of the lower
frequency to upper frequency
1:1 4:1 10:1
Upper frequency 7 kHz 7 kHz 7 kHz
Lower frequency 60 Hz 60 Hz 60 Hz
Amplitude 0 Vrms 0 Vrms 0 Vrms
DC offset 0 V 0 V 0 V
DFD IEC 60118 DFD IEC 60268
Difference frequency 80 Hz 80 Hz
Upper frequency 10 kHz N/A
Center frequency N/A 10 kHz
Amplitude 0 Vrms 0 Vrms
DC offset 0 V 0 V