Rohde & Schwarz SMB100A - Digital S;P DIF Interface

R&S SMB Test Procedures
1407.0806.82 1.55 E-5
Digital S/P DIF Interface
Test setup DUT RF output connected to Modulation Analyzer RF input, Audio
A
nalyzer digital LF output connected to DUT Stereo S/P DIF input,
Modulation Analyzer L, R output connected to Audio Analyzer input.
Test method
Generation of S/P DIF signal by Audio Analyzer, measurement of
demodulated AF signal by Modulation Analyzer
Measurement
Setting on DUT:
RF On
Frequency 98 MHz
Level 0 dBm
Stereo Modulation menu:
State On
FM Deviation 40 kHz
Audio Source S/P DIF
Mode Stereo R!=L
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, R
 Setting on Audio Analyzer UPL:
GEN INSTRUMENT DIGITAL
Channel 1=2
Unbal Out AUDIO OUT
Sample Frequency 32 kHz, 44.1 kHz, 48 kHz
FUNCTION STEREO SINE
Freq. Mode FREQ CH1&2
Volt Mode VOLT CH1&2
Freq Ch.1 1 kHz
Freq Ch.2 0.5 kHz
Volt Ch.1 0.707 FS
Volt Ch.2 0.707 FS