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Performance Test
R&S FSP
116
4.
4556.82 1.8 E-1
Checking IF Filters
Test equipment:
Signal generator (refer to "Measurement Equipment", item 3):
Frequency 128
MHz
Level
0 dBm
Test setup:
Connect RF output of the signal generator to RF input of the
R&S FSP.
Checking Bandwidth Switching Level Accuracy
Reference measurement (RBW 10 kHz)
Signal generator settings:
- Frequency:
128 MHz
- Level: -30
dBm
R&S FSP settings:
- [
PRESET
]
- [
AMPT
:
-20 dBm
]
- [
AMPT
: RF ATTEN MANUAL :
10 dB
]
- [
FREQ
: CENTER :
128 MHz
]
- [
SPAN
:
5 kHz
]
- [
TRACE
: DETECTOR : RMS ]
- [
BW
: RBW MANUAL :
10
:
kHz
]
Reference measurement:
Set marker to peak of signal:
- [
MKR
: PEAK ]
Set reference to peak of signal:
- [
MKR
: REFERENCE FIXED ]
Checking level accuracy
R&S FSP settings:
- [
SPAN
: {0.5 x RBW} ]
- [
BW
: RBW MANUAL : {RBW}
:
ENTER
]
Note:
To check the FFT filter, the resolution bandwidth has to be set manually
to FFT mode.
-
[
BW
: BW MODE : FFT ]
Measurement:
Set marker to peak of signal:
- [
MKR
: PEAK ]
Evaluation:
The level difference is displayed in the marker field by the reading
´Delta [T1 FXD] {xxx} dB´.
Содержание 1164.4391.03
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