Rohde & Schwarz SME02 - Distortion Factor and Crosstalk Attenuation Stereo; Pilot Tone Level

SME Test Procedure
1038.6002.02 5.41 E-13
5.2.39.3 Distortion Factor and Crosstalk Attenuation Stereo
Test equipment Modulation analyzer (Section 5.1, item 15)
Test setup Connect modulation analyzer to the LF output of the SME
Measurement À Settings at the SME
In menu MODULATION STEREO
-MODE R,
- AUDIO FREQ 1kHz,
In menu LF OUTPUT
- STEREO OUTPUT MPX.
À Read distortion factor at the modulation analyzer (signal R)
Rated value..............................................................................<0,1%
À Measure the modulated signal of the right channel, note down
value
À Measure the demodulated signal of the left channel
À Difference between modulated and demodulated signal
..........................................................................................> 60 dB
À Repeat measurement using setting MODE L
5.2.39.4 Pilot Tone Level
Test equipment AC voltmeter (Section 5.1, item 15)
Test setup Connect AC voltmeter to the LF output of the SME.
Measurement À Settings at the SME
In menu MODULATION STEREO
- PILOT STATE ON
In menu LF OUTPUT
- STEREO OUTPUT PILOT
- LF VOLTAGE 1V
À Read AC voltage of the pilot tone
Rated value.......................................................0.707 V
eff
± 14mV
eff
.