Rohde & Schwarz R&S NRP - Page 119

R&S NRP Configuring measurements (Measurement menu)
1144.1400.12 4.37 E-2
Sum and difference of power measurements (Relative Off)
W dBm
dBµV
Sum (A+B)
BA
PP +








+
mW1
lg10
BA
PP
(
)








⋅+
Vµ1
lg20
ZPP
BA
Diff (A-B)
BA
PP −








−
mW1
lg10
BA
PP
(
)








⋅−
Vµ1
lg20
ZPP
BA
Measurement result relative to reference value (Relative On)
1 dB
∆%
Primary
Secondary
R
P
P








R
P
P
lg10








−1100
R
P
P
Sum
Diff
R
BA
P
PP ±








±
R
BA
P
PP
lg10








−
±
1100
R
BA
P
PP
Ratio
R
Y
X
B
A
P
P
P
P
















R
Y
X
B
A
P
P
P
P
















lg10
















−
















1100
R
Y
X
B
A
P
P
P
P
P
Power
A
P Power in channel A (forward power)
B
P Power in channel B (reverse power)
R
P Reference (power)
R
Y
x
P
P








Reference (power ratio)