Rds/Ari Unit (Option) - Philips PM 5330 Handbuch

GB
5 - 8
CHARACTERISTICS PM 5330
5.4.7.1 FM deviation
Generator settings:
RF ON, RF frequency 100 MHz, Level 7 dBm, STEREO L= R, PILOT OFF,
internal audio frequency 1 kHz, Deviation 75 kHz
Test result:
Deviation 75 kHz ±1 kHz
5.4.7.2 FM deviation only with pilot carrier
Generator settings:
RF ON, RF frequency 100 MHz, Level 7 dBm, external STEREO, PILOT ON;
apply no external audio signal to the modulation input
Test result: Deviation 6.7 kHz ±10
5.4.7.3 Channel separation L/R
Note: R = L = 0
Generator settings:
RF ON, RF frequency 100 MHz, Level 7 dBm, STEREO L and STEREO R mode,
PILOT ON, PREEMPHASIS OFF, internal audio frequency 1 kHz, Deviation ±40 kHz;
apply no external audio signal to the modulation input
Test result: Channel separation >40 d6
5.4.8 RDS/ARI Unit (Option)
Test equipment:
- Modulation analyzer, e.g. FMAB or FAM Rhode &Schwarz
- Oscilloscope, e.g. Philips PM 3055
- RDS receiver, e.g. Philips car-radio system DC 964
-
Termination for 600 S2
Procedure:
- Connect PM 5330 RDS/ARI OUTPUT (rear side) to the RF input of modulation analyzer FAM
(termination 600 S2)
- Set modulation analyzer to AM mode, filter range 10 Hz - 3 kHz
5.4.8.1 ARI (Autofahrer Rundfunk Information)
Generator settings:
Select modulation mode:
Stereo without modulation
Pilot
ARI (system Germany)
DK (announcement ident. )
Area Code
Test result:
Subcarrier frequency
Amplitude (RMS)
on, off
on
off
off
57 kHz ±6 Hz
155 mV ±5 mV
(display shows STEREO)
(SPECIAL 31, SPECIAL 32)
(SPECIAL 70)
(select Area code O)