tda9884 NXP Semiconductors, tda9884 Datasheet - Page 41

• Manufacturer Part Number: tda9884
• Description: Tda9884 I2c-bus Controlled Multistandard Alignment-free If-pll For Mobile Reception
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TDA9884_2
Product data sheet
Fig 12. Audio signal-to-noise ratio as a function of picture-to-sound carrier ratio in intercarrier mode
Fig 13. Typical audio signal-to-noise ratio as a function of input signal at AM standard
(1) Signal.
(2) Noise at H-picture (weighted in accordance with “ITU-R BS.468-4” quasi peak).
(3) Noise at black picture (weighted in accordance with “ITU-R BS.468-4” quasi peak).
(1) Signal.
(2) Noise (weighted in accordance with “ITU-R BS.468-4” quasi peak).
S/N
(dB)
Conditions: PC/SC ratio measured at pins VIF1 and VIF2; via transformer; 27 kHz FM deviation; 50 s de-emphasis.
Condition: m = 54 %.
W
10
10
20
30
40
50
60
70
0
52
S/N
(dB)
49
W
10
10
20
30
40
50
60
70
0
30
46
43
40
40
50
37
Rev. 02 — 12 May 2006
34
gain controlled operation of FM-PLL
60
31
I
2
C-bus controlled multistandard alignment-free IF-PLL
70
28
80
25
22
90
(1)
(2)
19
V
i
(dB V)
100
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
16
mhc119
13
110
PC/SC ratio
TDA9884
10
(1)
(2)
(3)
7
mhc118
4
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