Improving Level Performance
R&S
®
SMA100B
225User Manual 1178.3834.02 ─ 05
Off / NRP-Zxx
Accesses the dialogs for configuring the traces and markers, see Chapter 7.4.4.6,
"NRP Traces Settings", on page 226
Configure...
Accesses the dialog for configuring the power analysis measurement, see Chap-
ter 7.4.4.7, "Configure Settings", on page 230.
Start / Stop measurement
Starts and stops the power analysis measurement. Depending on the selected mea-
surement mode, the label varies.
7.4.4.3 Required Options
The R&S SMA100B base unit equipped with the following options:
●
Power Analysis (R&S SMAB-K28)
Requires an external R&S NRP power sensor. For more information, see the data
sheet.
7.4.4.4 Test Setup Example
As a power meter has no built-in selection, it is measuring all signal components from
nearly DC to 40 GHz and higher. Therefore, the DUT's signal must be rather pure or
subjected to external filtering (harmonics, spurious) before measured.
The test setup for the power analysis in the power versus frequency or power versus
power is as follows:
Figure 7-6:
DUT = Device under test
PS = Power sensor, e.g. R&S NRP, connected at the DUT's input and the USB connector of the
R&S SMA100B
1. Connect the DUT RF input to the RF output of the instrument.
2. Connect the DUT RF output to the power sensor.
3. Connect the power sensor to the signal generator.
4. Select "Clk Syn/Power Sens" > "NRP Power Analysis".
5. Press "Configure..." to open a dialog for setting up the measurement.
6. Click on the power sensor indication located at the bottom of the dialog to set the
trace.
Using Power Sensors
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