MSP34X0G Datasheet, PDF (76/96 Pages) Micronas – Multistandard Sound Processor Family

MSP 34x0G
PRELIMINARY DATA SHEET
5.3. BTSC-Sound System
Table 5–4: Key parameters for BTSC-Sound Systems
Aural
Carrier
(L+R)
Carrier frequency
(f_hNTSC = 15.734 kHz)
(f_hPAL = 15.625 kHz)
Sound bandwidth in kHz
4.5 MHz Baseband
0.05 - 15
Preemphasis
Max. deviation to Aural Carrier
73 kHz
(total)
75 µs
25 kHz¹⁾
Max. Freq. Deviation of Subcarrier
Modulation Type
1) _{Sum does not exceed 50 kHz due to interleaving effects}
BTSC-MPX-Components
Pilot
(L−R)
SAP
f_h
2 f_h
5 f_h
5 kHz
0.05 - 15
DBX
50 kHz¹⁾
0.05 - 12
DBX
15 kHz
10 kHz
AM
FM
Prof. Ch.
6.5 f_h
0.05 - 3.4
150 µs
3 kHz
3 kHz
FM
5.4. Japanese FM Stereo System (EIA-J)
Table 5–5: Key parameters for Japanese FM-Stereo Sound System EIA-J
Carrier frequency (f_h = 15.734 kHz)
Sound bandwidth
Preemphasis
Max. deviation portion to Aural Carrier
Max. Freq. Deviation of Subcarrier
Modulation Type
Transmitter-sided delay
Mono transmission
Stereo transmission
Bilingual transmission
Aural
Carrier
FM
4.5 MHz
47 kHz
(L+R)
Baseband
0.05 - 15 kHz
75 µs
25 kHz
20 µs
L+R
L+R
Language A
EIA-J-MPX-Components
(L−R)
Identification
2 f_h
0.05 - 15 kHz
3.5 f_h
−
75 µs
none
20 kHz
2 kHz
10 kHz
FM
60%
AM
0 µs
0 µs
−
unmodulated
L−R
982.5 Hz
Language B
922.5 Hz
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MICRONAS INTERMETALL