Philips Semiconductors
Product specification
Multistandard vision and sound-IF PLL with
DVB-IF processing
TDA9819
Table 1 Input frequencies and carrier ratios
DESCRIPTION
SYMBOL B/G STANDARD M STANDARD L STANDARD DVB (EU) DVB (US) UNIT
Symbol frequency
Picture carrier
Sound carrier
fIF/fs
fPC
−
−
−
38.9
32.4
−
36.15/6.9 43.75/5.0
MHz
MHz
MHz
MHz
dB
38.9
33.4
33.158
13
45.75
−
−
−
−
−
−
−
−
−
−
fSC1
fSC2
SC1
SC2
41.25
−
7
−
Picture-to-sound
carrier ratio
10
−
20
dB
Table 2 Switch logic
VIDEO OUTPUT
M, B/G, L DVB
INPUT STANDARD MODULATIO
VCO
IF
STANDARD
AGC
AF
SWITCH
SWITCH
N MODE
CONTROL INPUT
DVB
0
0
1
1
0
1
0
1
digital
digital
external
internal
internal
internal
external
external
PLL
B
B
A
A
mute
mute
AM
off
off
on
on
on
on
off
off
M, B/G and L
positive
negative
PLL
FM
1998 Jul 14
20
NXP [ NXP ]
