MSP4458 datasheet(71/85 Pages) MICRONAS

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PRELIMINARY DATA SHEET

MSP 44x8G

Micronas

5.3. BTSC-Sound System

5.4. Japanese FM Stereo System (EIA-J)

Table 5–4: Key parameters for BTSC-Sound Systems

Aural

Carrier

BTSC-MPX-Components

+R)

Pilot

−R)

SAP

Prof. Ch.

Carrier frequency (fh = 15.734 kHz)

4.5 MHz

Baseband

2 fh

5 fh

6.5 fh

Sound bandwidth in kHz

0.05 - 15

0.05 - 12

0.05 - 3.4

Preemphasis

µs

DBX

150

µs

Max. deviation to Aural Carrier

73 kHz

(total)

25 kHz1)

5kHz

50 kHz1)

15 kHz

3 kHz

Max. Freq. Deviation of Subcarrier

Modulation Type

10 kHz

3kHz

1) Sum does not exceed 50 kHz due to interleaving effects

Table 5–5: Key parameters for Japanese FM-Stereo Sound System EIA-J

Aural

Carrier

EIA-J-MPX-Components

+R)

−R)

Identification

Carrier frequency (fh = 15.734 kHz)

4.5 MHz

Baseband

2 fh

3.5 fh

Sound bandwidth

0.05 - 15 kHz

−

Preemphasis

µs75 µs

none

Max. deviation portion to Aural Carrier

47 kHz

25 kHz

20 kHz

2 kHz

Max. Freq. Deviation of Subcarrier

Modulation Type

10 kHz

60%

Transmitter-sided delay

µs0 µs0 µs

Mono transmission

−

unmodulated

Stereo transmission

+RL−R

982.5 Hz

Bilingual transmission

Language A

Language B

922.5 Hz

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