Rohde & Schwarz SML01 - Pulse Modulation (Option R&S SML-B3)

Test sequence R&S®SML / R&S®SMV03
1090.3123.12 10.28 E-6
Pulse modulation (option R&S SML-B3)
On/off ratio
Test setup  Test setup 1, spectrum analyzer mode
Settings on the R&S
SML01
- LEVEL: 10 dBm
- FREQ: 1000 MHz
- MODULATION  PULSE  PULSE SOURCE: OFF
Settings on the R&S
SML02/03 / R&S SMV03
- LEVEL: 10 dBm
- FREQ:
in addition to R&S SML01 test frequency:
2000 MHz, 3300 MHz
- MODULATION  PULSE  PULSE SOURCE: OFF
Settings on the test receiver - C
enter frequency = test frequency
- S
pan = 20 kHz
- Reference level = 10 dBm
- Marker Peak
Measurement - Read off the ON level from the spectrum analyzer and make a note of
it.
Settings on R&S SML /
R&S SMV03
- MODULATION  PULSE  PULSE SOURCE: EXT
Make sure the pulse input is not connected.
Settings on the test receiver - R
eference level = -50 dBm
- S
witch on average: 5 samples
- Marker Peak
Measurement  Read off the OFF level from the spectrum analyzer and make a note
of it.
The on/off ratio is calculated from level ON – level OFF. Repeat the measurement for all test
frequencies.