Keysight N774-C Series User Manual page 81

Keysight N774-C & 8162-C Series User's Guide
The power value in dBm or Watts is stored as the reference, that is:
REF = P
measured
where,
REF is the reference, and
P is the absolute power level (see
measured
on page 79).
How to Reference Another Power Measurement Channel
You can use the reference mode to reference to another channel's current
power level. If you choose this mode, the reference of the channel
continuously updates to the current power value measured by the other
channel.
The following equations describe how the power in dB is calculated if you
reference another channel:
or
where:
P is the relative power,
dB
P is the absolute power level (see
measuredA
Offset on page 79) measured by the current port, and
P is the absolute power level (see
measuredB
Offset on page 79) measured by the port you choose to reference, and
REF is the reference level in decibels (dB).
User Interface Reference
How to Set the Calibration Offset
How to Set the Calibration
How to Set the Calibration
4
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