Philips Semiconductors
Product specification
Multistandard vision and sound-IF PLL with
DVB-IF processing
TDA9819
MED684
70
handbook, halfpage
S/N
(dB)
3.2 dB
handbook, halfpage
60
50
40
30
20
10
0
10 dB
13.2 dB
27 dB
13.2 dB
27 dB
SC CC
PC
SC CC
PC
BLUE
YELLOW
MED685 - 1
60
40
20
6
0
20
(dB)
V
i IF(rms)
60
0.06
0.6
600
SC = sound carrier, with respect to sync level.
V
(mV)
10
CC = chrominance carrier, with respect to sync level.
PC = picture carrier, with respect to sync level.
i IF(rms)
The sound carrier levels are taking into account
a sound shelf attenuation of 20 dB (SAW filter G1962).
Fig.5 Typical signal-to-noise ratio as a function of
IF input voltage.
Fig.6 Input signal conditions.
MBH355
V
(V)
I
23
(µA)
handbook, full pagewidth
23
V
V = 5 V
P
P
200
4.5
(source current)
(sink current)
22 kΩ
3.5
2.5
1.5
100
0
I
23
23
TDA9819
22 kΩ
100
200
0.5
38.5
38.9
39.3
f (MHz)
Fig.7 Measurement conditions and typical AFC characteristic.
22
1998 Jul 14
NXP [ NXP ]
