tda9870ah NXP Semiconductors, tda9870ah Datasheet - Page 4

• Manufacturer Part Number: tda9870ah
• Description: Digital Tv Sound Processor Dtvsp
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2.1.1
Table 1 Frequency modulation
Table 2 Identification for A2 systems
1999 Dec 20
Pilot frequency
Stereo identification
frequency
Dual identification
frequency
AM modulation depth
STANDARD
Digital TV Sound Processor (DTVSP)
B/G
D/K
D/K
M
M
PARAMETER
I
A
NALOG
SYSTEM
SOUND
2-
mono
mono
A2+
A2*
CARRIER SYSTEMS
A2
A2
54.6875 kHz = 3.5
50%
274.1 Hz
117.5 Hz
FREQUENCY
CARRIER
4.5/4.724
5.5/5.742
6.5/6.742
6.5/6.258
(MHz)
4.5
6.0
=
=
line frequency
------------------------------------ -
line frequency
------------------------------------ -
133
57
A2/A2*
NOM.
line frequency
FM DEVIATION (kHz)
15
15
27
27
27
27
MAX.
4
25
25
50
50
50
50
OVER
50
50
80
80
80
80
55.0699 kHz = 3.5
50%
276.0 Hz
1
1
1
1
149.9 Hz
2
2
2
2
mono
mono
(L + R)
(L + R)
(L + R)
(L + R)
SC1
MODULATION
=
=
1
line frequency
------------------------------------ -
line frequency
------------------------------------ -
2
A2+ (KOREA)
(L
SC2
R
R
R
105
R)
57
line frequency
Product specification
TDA9870A
DE-EMPHASIS
BANDWIDTH/
15/75 (Korea)
(kHz/ s)
15/75
15/50
15/50
15/50
15/50