HP 8719ET Reference Manual page 68

HP 8719/20/22ET Specifications and Characteristics
Corrected System Performance (HP 8722ET)
a
Transmission Uncertainty: Enhanced Response Calibration (Specification)
Transmission Uncertainty: Response Calibration (Specification)
Reflection Uncertainty: One-Port Calibration (Specification)
a. Option 004 may degrade transmission source match as much as 2 dB, resulting in up to
0.05 dB additional uncertainty in transmission uncertainty.
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