SAA7134 Philips Semiconductors, SAA7134 Datasheet - Page 25

• Manufacturer Part Number: SAA7134
• Description: PCI audio and video broadcast decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
7.5
Analog TV signals are described in three categories of
standards:
TV signals that are broadcasted usually conform fairly
accurately to the standards. Transmission over the air or
through a cable can distort the signal with noise, echoes,
crosstalk or other disturbances.
Video signals from local consumer equipment, e.g. VCR,
camcorder, camera, game console, or even DVD player,
often do not follow the standard specification very
accurately.
Table 12 Overview of basic TV standards
2002 Dec 17
RF channel width
Video bandwidth
1st sound carrier
Field rate
Lines per frame
Line frequency
ITU clocks per line
Sync, set-up level
Gamma correction
Associated colour
TV standards
Associated stereo
TV sound systems
Country examples
Basic TV systems: defining frame rate, number of lines
per field, levels of synchronization signals, blanking,
black and white, signal bandwidth and the
RF modulation scheme
Colour transmission: defining colour coding and
modulation method
Sound and stereo: defining coding for transmission.
PARAMETERS
PCI audio and video broadcast decoder
Analog TV standards
MAIN
59.94006
EIAJ, A2
4.5, FM
15.734
NTSC,
Japan,
BTSC,
40, 7.5
Brazil
1716
USA,
PAL
525
4.2
2.2
M
6
Argentina
4.5, FM
15.625
BTSC
40, 7.5
1728
PAL
625
4.2
2.2
50
N
6
dual FM,
Australia
Europe,
5.5, FM
15.625
part of
1728
PAL
625
43, 0
2.8
A2
50
B
7
5
25
STANDARD
Singapore
Malaysia,
Playback from video tape cannot be expected to maintain
correct timing, especially not during feature mode (fast
forward, etc.).
Tables 12 to 14 list some characteristics of the various
TV standards.
The SAA7134HL decodes all colour TV standards and
non-standard signals as generated by video tape
recorders e.g. automatic video standard detection can be
applied, with preference options for certain standards, or
the decoder can be forced to a dedicated standard.
The SAA7134HL incorporates TV stereo decoding for
NICAM and dual FM sound systems. BTSC and EIAJ are
demodulated to mono-aural sound, but stereo decoding
can be added externally. Baseband stereo audio can be
fed into the device as analog signal, or in digital form in
I
5.5, FM
2
NICAM
15.625
Spain,
S-bus format.
1728
G, H
625
43, 0
PAL
2.8
50
7
5
Northern
6.0, FM
NICAM
Europe
15.625
1728
PAL
625
43, 0
UK,
5.5
2.8
50
8
I
SECAM,
NICAM,
6.5, FM
Eastern
Europe
15.625
China,
1728
D/K
43, 0
PAL
625
2.8
A2
50
7
6
SAA7134HL
Product specification
SECAM
Eastern
6.5, AM
NICAM
France,
Europe
15.625
1728
625
43, 0
2.8
50
L
8
6
UNIT
MHz
MHz
MHz
kHz
IRE
Hz