R&S SMB Test Procedures
1407.0806.82 1.57 E-5
RDS Function
Test setup DUT RF output connected to Modulation Analyzer RF input.
M
odulation Analyzer AF output connected to RDS decoder MPX input.
Test method
D
emodulation of FM signal signal by Modulation Analyzer, decoding of
multiplex signal by RDS decoder.
Measurement
Setting on DUT:
RF On
Frequency 98 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
RDS settings:
State On
Setting on Modulation Analyzer FMB:
DEMODULATION FM-STEREO
CHANNEL MPX
Setting on RDS demodulator DMDC:
RDS Inf1 PI, PS
RDS Inf1 CT, PIN
Write data for PI, PS, TP, TA, PTY, DI, MS, CT to data sets DS1 to
DS5.
One at a time set ARI identification OFF, DK, BK, DK+BK, ranges
A to F and check them on the RDS decoder.
One at a time select RDS dataset 1 to 5 and check the output on
the RDS decoder.
Check the time output (CT) on the RDS decoder
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