TDA9885 Philips Semiconductors, TDA9885 Datasheet - Page 44

• Manufacturer Part Number: TDA9885
• Description: I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2003 Oct 02
handbook, full pagewidth
I
alignment-free IF-PLL demodulators
S/N W
(1) Signal.
(2) Noise at H-picture (CCIR weighted quasi peak).
(3) Noise at black picture (CCIR weighted quasi peak).
2
(dB)
C-bus controlled single and multistandard
10
10
20
30
40
50
60
70
0
52
Fig.19 Audio signal-to-noise ratio as a function of picture-to-sound carrier ratio in intercarrier mode.
49
46
43
40
37
34
gain controlled operation of FM-PLL
31
Conditions: PC/SC ratio measured at pins VIF1 and VIF2; via transformer;
27 kHz FM deviation; 50 s de-emphasis.
44
28
25
22
19
16
TDA9885; TDA9886
13
PC/SC ratio
10
Product specification
(1)
(2)
(3)
7
MHC118
4