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8 Channel Power Measurement
Sweep/Control
Sync Holdoff
Sync Holdoff specifies the duration that the sync source signal must be kept false before the transition to
true to be recognized as the sync timing. The periodic timer phase is aligned when the sync source signal
becomes true, after the Holdoff time is satisfied.
A holdoff of 2 ms will work with most WiMAX signals, but there may be cases where the burst off duration is
less than 1 ms and this value will need to be changed.
Key Path
Trigger, Periodic Timer
Remote Command
:TRIGger[:SEQuence]:FRAMe:SYNC:HOLDoff <time>
:TRIGger[:SEQuence]:FRAMe:SYNC:HOLDoff?
:TRIGger[:SEQuence]:FRAMe:SYNC:HOLDoff:STATe OFF|ON|0|1
:TRIGger[:SEQuence]:FRAMe:SYNC:HOLDoff:STATe?
Preset
On, 1.000 ms
State Saved
Saved in instrument state
Min
0 ms
Max
+500 ms
Default Unit
s
Initial S/W Revision
Prior to A.02.00
Auto/Holdoff
Opens up a menu that lets you adjust Auto Trigger and Trigger Holdoff parameters
Key Path
Trigger
Readback line
Displays a summary of the Auto Trig and Holdoff settings, in square brackets
First line: Auto Off or Auto On
Second Line: “Hldf” followed by:
•
If Holdoff is Off, readback Off
•
If Holdoff On and Type = Normal, readback value
•
If Holdoff On and Type = Above, readback value followed by AL
•
If Holdoff On and Type = Below, readback value followed by BL
•
If Holdoff Type selection is not supported by the current measurement, Holdoff Type is always
Normal
Initial S/W Revision
A.02.00
Auto Trig
Sets the time that the analyzer will wait for the trigger conditions to be met. If they are not met after that
much time, then the analyzer is triggered anyway.
624
W-CDMA & HSPA Measurement Applications Reference
Summary of Contents for E6640A
Page 80: ...Table of Contents lxxx W CDMA HSPA Measurement Applications Reference ...
Page 188: ...3 Programming the Test Set Common Commands 188 W CDMA HSPA Measurement Applications Reference ...
Page 256: ...5 Mode Functions Mode Setup 256 W CDMA HSPA Measurement Applications Reference ...
Page 324: ...6 System Functions System 324 W CDMA HSPA Measurement Applications Reference ...
Page 369: ...8 Channel Power Measurement Auto Couple W CDMA HSPA Measurement Applications Reference 369 ...
Page 389: ...8 Channel Power Measurement Marker W CDMA HSPA Measurement Applications Reference 389 ...
Page 664: ...9 ACP Measurement Auto Couple 664 W CDMA HSPA Measurement Applications Reference ...
Page 669: ...9 ACP Measurement BW W CDMA HSPA Measurement Applications Reference 669 ...
Page 984: ...9 ACP Measurement View Display 984 W CDMA HSPA Measurement Applications Reference ...
Page 1001: ...10 Spectrum Emission Mask Measurement W CDMA HSPA Measurement Applications Reference 1001 ...
Page 1668: ...12 Code Domain Measurement Auto Couple 1668 W CDMA HSPA Measurement Applications Reference ...
Page 2354: ...14 QPSK EVM Measurement 2354 W CDMA HSPA Measurement Applications Reference ...
Page 2364: ...14 QPSK EVM Measurement Auto Couple 2364 W CDMA HSPA Measurement Applications Reference ...