HP 8153A - Page 53

dR results are shown relative to a reference-level. This parameter sets the
reference-level. You can choose the units for the reference using [dBm wl .
Setting, or changing, the reference only affects results that are displayed in dB.
Pd is play{dP) “ Pmeasured - REF
Where,
Pdispiay is the displayed, relative power,
Pmeasured Is the absolutc powor-Ievel (see “CAL”), and
REF is the reference.
Logarithmic Units
Display Format ±nnn.nnn dBm
Limits "200.000dBm < nnn.nnn < +200.000dBm
Resolution O.OOldBm
Default O.OOOdBm
Linear Units
Display Format 5 digits pW, nW, /^W, mW.
Limits O.OOlpW <n< 9999.9mW
Resolution see Thble 2-1
Default 1000.0/fW
Local Control ■ Measure Mode 2-5