tda9874h NXP Semiconductors, tda9874h Datasheet - Page 4

• Manufacturer Part Number: tda9874h
• Description: Digital Tv Sound Demodulator/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2.1.1
Table 1 Frequency modulation
Table 2 Identification for A2 systems
2.1.2
Table 3 NICAM
Notes
1. See “EBU specification” or equivalent specification.
2. Not yet officially defined.
2000 Jun 26
M
M
B/G
I
D/K
D/K
Pilot frequency
Stereo identification frequency
Dual identification frequency
AM modulation depth
STANDARD
B/G
I
D/K
L
STANDARD
Digital TV sound demodulator/decoder
A
2-
NALOG
CARRIER SYSTEMS WITH
PARAMETER
FREQUENCY
2-
mono
A2+
A2
mono
A2
A2*
SYSTEM
(MHz)
CARRIER SYSTEMS
SOUND
5.5
6.0
6.5
6.5
TYPE
4.5
4.5/4.724
5.5/5.742
6.0
6.5/6.742
6.5/6.258
FREQUENCY
FM
FM
FM
AM
CARRIER
NICAM
(MHz)
NOM. MAX. NOM. MAX.
SC1
INDEX (%)
54.6875 kHz = 3.5
50%
54
274.1 Hz
117.5 Hz
MODULATION
100
NOM.
FM DEVIATION (kHz)
15
15
27
27
27
27
=
=
line frequency
------------------------------------ -
line frequency
------------------------------------ -
DEVIATION
A2; A2*
27
27
27
MAX.
(kHz)
133
4
25
25
50
50
50
50
57
line frequency
50
50
50
OVER.
50
50
80
80
80
80
NICAM
(MHz)
6.552
SC2
5.85
5.85
5.85
mono
1
1
mono
1
1
2
2
2
2
(L + R)
(L + R)
(L + R)
(L + R)
SC1
DE-EMPHASIS
MODULATION
55.0699 kHz = 3.5
50%
149.9 Hz
276.0 Hz
J17
J17
J17
J17
1
R
R
R
2
(L
SC2
=
=
A2+ (KOREA)
line frequency
------------------------------------ -
line frequency
------------------------------------ -
R)
ROLL-OFF
Product specification
105
57
TDA9874H
100
15/75
15/75 (Korea)
15/50
15/50
15/50
15/50
(%)
40
40
40
DE-EMPHASIS
line frequency
BANDWIDTH/
(kHz/ s)
CODING
NICAM
note 1
note 1
note 2
note 1