STV8203 データシートの表示（PDF） - STMicroelectronics

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STV8203

MULTISTANDARD TV SOUND DEMODULATOR

STMicroelectronics 

STV8203

FUNCTIONAL DESCRIPTION (continued)

Table 1 : Demodulated TV Sound Norms

System

Sound Type

Type Carrier 1 Carrier 2 FM Deviation (kHz)

Name (kHz)

(kHz) Nom. Max. Over

Deemphasis

Pilot

Roll-off Frequency

(kHz)

FM mono

B/G FM/NICAM

5.5

5.5

5.850 27 50 80

FM 2 carriers A2

5.5

5.742 27 50 80

B/H FM/NICAM

5.5

5.850 27 50 80

FM mono

D/K

FM/NICAM

6.5

6.5

5.850 27 50 80

D/K1 FM 2 carriers A2*

6.5

6.258

D/K2 FM 2 carriers

6.5

6.742

FM/NICAM

I

FM mono

6.0

6.552 27 50 80

6.0

L NICAM

6.5 (1) 5.850

M/N FM mono

4.5 (2)

15 25 50

J17

50µs

J17

J17

50µs

50µs

J17

50µs

J17

(2)

40

54.6875

40

40

54.6875

54.6875

100

40

Notes : 1. STV8203 performs only limited AM demodulation. Report to Application Note.

2. 50µs only, instead of 75µs.

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