R&S NRP2, User Manual

Page: 102 / 437

Instrument Functions
R&S
®
NRP2
84 User Manual 1173.9157.02 ─ 03
Offset
Negative dB value as a measure for the shift of the transition region(s).
Modifications are immediately effective after each keystroke (see
​
chapter 3.5, "Dialog
boxes and their controls" , on page 53).
SCPI command:
​
[SENSe<[1]..4>][:
​
POWer][:
​
AVG]:
​
RANGe:
​
CLEVel
​
on page 271
4.2.5 Effect of the RF source
Information related to the reflection coefficient
Γ
of the signal source is provided in the
"
Γ
Correction" dialog box (gamma correction).
Γ
Correction is used to increase measure-
ment accuracy by correcting the effect of source mismatch on the measured value.
4.2.5.1
Sensor
Γ
correction dialog box
► Open the
Γ
correction dialog box in the "Sensor "menu
If "
Γµ
correction" is activated, the measurement accuracy can be increased by specifying
magnitude and phase of source
Γ
.
Fig. 4-19:
Γ
Correction dialog box
A | B | C | D
Tabs for selecting the sensor.
Note: In remote-control commands, select the sensor with the suffix in command
SENSe<[1]..4>:...
, i.e. choose suffix
1
for channel A, channel
2
for B, and so on.
Source
Γ
Correction
Activates gamma correction in order to achieve higher measurement accuracy.
SCPI command:
​
[SENSe<[1]..4>]:
​
SGAMma:
​
CORRection:
​
STATe
​
on page 278
Data acquisition and parameters