Keysight M8121A, Руководство пользователя

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Keysight M8121A Arbitrary Waveform Generator User Guide 65
Markers 4
Figure 19 Samples marked by sample marker
Pause Between Multiple Marked Samples
Due to the quantization of markers, a minimum pause between blocks of
marked samples is required to see the gap at the sample marker output.
Table 4 Pause between multiple marked samples
The table above shows the minimum gap size between blocks of multiple
marked samples/IQ sample pairs. If this condition is violated, it might be
possible to get one “combined marker” instead two individual markers.
Vector Markers
In addition to the high-speed marker, each channel provides a second
marker called vector marker. This vector marker can only be set in vector
clock granularity.
The vector marker is an output of the pattern generation. Delay
adjustments do not change the delay of the vector marker.
Vector Clock
Marked Samples relative
to Vector Clock Granularity
Sample Marker
Mode Minimum Gap Size
12-bit direct 128 Samples
14-bit direct 128 samples
INT_x3 (Option -DUC) 8 IQ Sample Pairs
INT_x12 (Option -DUC) 2 IQ Sample Pairs
INT_x24 (Option -DUC) 1 IQ Sample Pairs
INT_x48 (Option -DUC) 1 IQ Sample Pairs