TDA9875 Philips Semiconductors, TDA9875 Datasheet - Page 4

• Manufacturer Part Number: TDA9875
• Description: Digital TV Sound Processor DTVSP
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2.1.1
Table 1 Frequency modulation
Table 2 Identification for A2 systems
2.1.2
Table 3 NICAM
Note
1. See “EBU specification” or equivalent specification.
1998 Feb 13
Pilot frequency
Stereo identification
frequency
Dual identification frequency
AM modulation depth
STANDARD
STANDARD
Digital TV Sound Processor (DTVSP)
B/G
D/K
L
B/G
D/K
D/K
I
M
M
I
PARAMETER
A
2-
NALOG
CARRIER SYSTEMS WITH
FREQUENCY
2-
SYSTEM
CARRIER SYSTEMS
(MHz)
SOUND
5.5
6.0
6.5
6.5
mono
mono
A2+
A2*
A2
A2
54.6875 kHz = 3.5
50%
TYPE
117.5 Hz
274.1 Hz
FM
FM
FM
AM
FREQUENCY
NICAM
CARRIER
4.5/4.724
5.5/5.742
6.5/6.742
6.5/6.26
(MHz)
SC1
4.5
6.0
NOM/MAX.
INDEX (%)
=
=
54/100
pilot frequency
-------------------------------------- -
pilot frequency
-------------------------------------- -
MODULATION
A2/A2*
133
57
NOM./MAX./OVER
line frequency
FM DEVIATION
NOM./MAX.
DEVIATION
15/25/50
15/25/50
27/50/80
27/50/80
27/50/80
27/50/80
27/50
27/50
27/50
(kHz)
(kHz)
4
NICAM
(MHz)
6.552
SC2
5.85
5.85
5.85
55.0699 kHz = 3.5
50%
149.9 Hz
276.0 Hz
1
1
1
1
2
2
2
2
mono
mono
(L + R)
(L + R)
(L + R)
(L + R)
SC1
MODULATION
DE-EMPHASIS
=
=
J17
J17
J17
J17
pilot frequency
-------------------------------------- -
pilot frequency
-------------------------------------- -
1
2
A2+ (KOREA)
(L
SC2
R
R
R
105
57
line frequency
R)
Preliminary specification
ROLL-OFF
100
(%)
40
40
40
DE-EMPHASIS
BANDWIDTH/
15/75 (Korea)
TDA9875
(kHz/ s)
15/75
15/50
15/50
15/50
15/50
CODING
NICAM
defined
not yet
note 1
note 1
note 1