Teledyne LeCroy QPHY-HDMI - Manual (Page 29)

QPHY-HDMI Operator’s Manual
Specific to “Test7-7: TMDS Intra-Pair Skew” Group
N UMBER OF SEGMENTS ACQUIRED IN SEQUENCE
HDMI specification requires 10'000 segments. For debugging only, reduce the number of
segments to speed-up processing. Choose between 10’000, 1000, 500 or 50. Default is 10’000.
Recalled Waveform File Index (5 digits)
Enter the 5 digits number corresponding to the index of the file you want to recall. Default is
00000.
Specific to “Test7-8: TMDS Clock Duty Cycle” Group
N UMBER OF SEGMENTS ACQUIRED IN SEQUENCE
HDMI specification requires 10'000 segments. For debugging only, reduce the number of
segments to speed-up processing. Choose between 10’000, 1000, 500 or 50. Default is 10’000.
R ECALLED W AVEFORM F ILE I NDEX (5 DIGITS )
Enter the 5 digits number corresponding to the index of the file you want to recall. Default is
00000.
Specific to “Test7-9: TMDS-Clock Jitter” Group
DUT TMDS C LOCK S TANDARD F REQUENCIES
Configure Source DUT to output one video format for each of the following TMDS Clock
frequencies if that frequency is supported by the DUT: 27MHz (or 25MHz), 74.25MHz,
148.5MHz, 222.75MHz. Use DUT TMDS Clock Alternate Frequencies if the highest DUT-
supported frequency is not in this list or if you wish to define custom frequencies.
DUT TMDS C LOCK A LTERNATE F REQUENCIES
If different than 0, this value will be used as the maximum DUT TMDS Clock frequency in
addition to the standard frequencies selected. The frequency must be entered in scientific
format (e.g., 340 MHz as 340e6). You can enter a list of values using the “,” separator. Default
value is 0.
T IMEBASE USED TO CREATE E YE D IAGRAM
Increase/decrease the number of points acquired to create Eye Diagram. 100us/div gives
enough samples to fulfill the 16 MS/Channel HDMI requirement.
R ECALLED W AVEFORM F ILE I NDEX (5 DIGITS )
Enter the 5 digits number corresponding to the index of the file you want to recall. Default is
00000.
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