Rohde & Schwarz 1164.4391.03, Service Manual

Page: 34 / 254

Performance Test R&S FSP
116
4
.4556.82 1.6 E-1
1st IF Rejection
Additional signal generator
settings:
- Frequency 3476.4 MHz
Additional R&S FSP settings: - [ FREQ : CENTER : {f
in
} ]
Refer to "Performance Test Report" table for values of f
in
.
Measurement:
Set marker to peak of signal:
- [ MKR : PEAK ]
Evaluation: The IF rejection is the difference between the output level of the signal
generator and the level reading of marker 1 (L
dis
):
IF rejection = –10 dBm – L
dis
2nd IF Rejection
Additional signal generator
settings:
- Frequency 404.4 MHz
Additional R&S FSP settings: - [ FREQ : CENTER : {f
in
} ]
Refer to "Performance Test Report" table for values of f
in
.
Measurement:
Set marker to peak of signal:
- [ MKR : PEAK ]
Evaluation: The IF rejection is the difference between the output level of the signal
generator and the level reading of marker 1 (L
dis
):
IF rejection = –10 dBm – L
dis