Keysight N9938-90003 User’s Guide 99
Calibration for NA, CAT, and VVM Modes
1-Port (OSL)
DUT: No restrictions
S-parameters Corrected: S11 or S22
Standards: OPEN, SHORT, LOAD
Sweeps in ONE direction.
FULL 2-Port (May require an option)
Most comprehensive calibration. Corrects all S-parameters
DUT: Non-Insertable or Insertable
Standards: OPEN, SHORT, LOAD on BOTH ports. Any THRU between ports.
Based on the SOLR/Unknown THRU calibration. For more information on
the Unknown THRU process, see the FieldFox Supplemental Online Help:
http://na.support.keysight.com/fieldfox/help/SupHelp/FieldFox.htm
Sweeps in BOTH directions.
FULL 2-Port (QSOLT) – Mechanical Cal ONLY (May require an option)
Quicker to perform QSOLT than Full 2-port. Corrects all S-parameters.
DUT: Insertable only
Standards: OPEN, SHORT, LOAD on port 1. Flush THRU between ports.
Recommended cal type for Insertable DUTs. A Cal Kit is NOT required for
port 2.
Sweeps in BOTH directions.
Enhanced Response Cal - Forward OR Reverse (May require an option)
Faster measurements than Full 2-Port.
DUT: Non-Insertable or Insertable. S-parameters PARTIALLY Corrected:
S21 and S11 (Forward) OR S12 and S22 (Reverse)
Standards: OPEN, SHORT, LOAD on ONE port. Defined or Flush THRU
between ports.
Sweeps in ONE direction.
TRL – Mechanical Cal ONLY
A complete 2-Port calibration with potentially better accuracy than Full
2-port. Corrects all S-parameters.
DUT: Non-Insertable or Insertable
Also select an Enhanced Response Optimization. Learn more in “Enhanced
Response Optimization” on page 102.
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