R&S SMB Test Procedures
1407.0806.82 1.53 E-5
MPX, Pilot Tone and RDS Subcarrier Deviation
Test setup DUT RF output connected to Modulation Analyzer RF input
Test method
Measurement of demodulated AF signal by Modulation Analyzer
Measurement
Setting on DUT:
RF On
Frequency 66 MHz
Level 0 dBm
Stereo Modulation menu:
State On
FM Deviation 40 kHz
Audio Source LF Gen
Mode Stereo R=L
LF Gen Frequency 1 kHz
LF Gen Shape Sine
Stereo Pilot tone settings:
Pilot State On
Pilot Deviation 6.75 kHz
ARI settings:
State On
Identification Off
RDS settings:
State Off
Setting on Modulation Analyzer FMB:
DEMODULATION FM-STEREO
ABSOLUTE
DETECTOR +-PEAK/2
CHANNEL L, PILOT, MORE CARR 57 kHz
Read the respective deviation from the Modulation Analyzer.
Recommended settings
CF sweep
Recommended test frequencies: 66 MHz, 76 MHz, 87 MHz, 98
MHz, 110 MHz
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