tda9817t NXP Semiconductors, tda9817t Datasheet - Page 21

• Manufacturer Part Number: tda9817t
• Description: Single/multistandard Vif/sif-pll And Fm-pll/am Demodulators
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2004 Jun 29
Single/multistandard VIF/SIF-PLL and
FM-PLL/AM demodulators
sc = sound carrier, with respect to sync level.
cc = chrominance carrier, with respect to sync level.
pc = picture carrier, with respect to sync level.
The sound carrier levels are taking into account a sound shelf attenuation of 20 dB (SAW filter G1962).
Fig.7 Typical signal-to-noise ratio as a function of IF input voltage.
handbook, halfpage
handbook, halfpage
(dB)
S/N
27 dB
75
50
25
sc cc
0
0.06
13.2 dB
60
BLUE
Fig.8 Input signal conditions.
0.6
40
3.2 dB
pc
21
20
6
10
27 dB
sc cc
13.2 dB
V i(VIF)(rms) (mV)
V i(VIF)(rms) (dB)
60
0
YELLOW
MED684
10 dB
600
20
pc
MED685
TDA9817; TDA9818
Product specification