Rohde & Schwarz FSP7 - Page 59

R&S FSP Performance Test
1164.4556.82 1.31 E-1
Reference measurement:
 Determine signal level L
powermeter
.
 Set marker to peak of signal:
- [ MKR  : PEAK ]
The signal level L
FSP
is displayed by the level reading of marker 1.
Ref
128MHz
= L
FSP
- L
powermeter
Measurement
Signal generator settings:
- Frequency f
fresp
Refer to "Performance Test Report" table for values of f
fresp
.
Power meter settings:
Determine signal level L
powermeter
. To achieve higher accuracy,
compensating for the frequency response of the power sensor is
recommended.
R&S FSP settings:
- [ FREQ : CENTER : {f
fresp
} ]
Refer to "Performance Test Report" table for values of f
fresp
.
Set marker to peak of signal:
- [ MKR  : PEAK ]
The signal level L
FSP
is displayed by the level reading of marker 1.
Evaluation:
The frequency response can be calculated as follows:
Frequency response = L
FSP
- L
powermeter
- Ref
128 MHz