TDA9881HN NXP [NXP Semiconductors], TDA9881HN Datasheet - Page 21

• Manufacturer Part Number: TDA9881HN
• Description: Alignment-free vision and FM sound IF PLL demodulator for negative modulated TV standards
• Manufacturer: NXP [NXP Semiconductors]

Philips Semiconductors
Table 10:
V
f
broadband transformer 1 : 1; video modulation DSB; residual carrier for B/G is 10 %; video signal in accordance with “CCIR
line 17 and line 330”; measurements taken in test circuit of
9397 750 13417
Product data sheet
Symbol
B
B
FM operation
Intercarrier AF performance
S/N
Single reference QSS AF performance
S/N
SC
P
mute
V
AF( 3dB)(ul)
AF( 3dB)(ll)
= 5 V; T
jump
= 33.4 MHz; PC/SC = 13 dB; f
W
W(SC1)
amb
Characteristics
= 25 C; see
[21] [23]
Parameter
upper limit 3 dB
AF bandwidth of audio
amplifier
lower limit 3 dB
AF bandwidth of audio
amplifier
mute attenuation of
AF signal
DC jump voltage for
switching AF output to
mute state or vice versa
weighted signal-to-noise
ratio
weighted signal-to-noise
ratio for SC
Table 12
[24]
…continued
1
mod
for input frequencies; B/G standard is used for the specification (f
= 400 Hz); input level V
[25] [26]
Conditions
via pin AMUTE0;
see
activated by digital
acquisition help; auto
mute on; see
PC/SC ratio is 21 dB to
27 dB at pins VIF1 and
VIF2
VIF input sound carrier
suppression: PC/SC
ratio at pins VIF1 and
VIF2 > 40 dB
black picture
white picture
6 kHz sine wave
(black-to-white
modulation)
sound carrier
subharmonics;
f = 2.75 MHz
black picture
white picture
6 kHz sine wave
(black-to-white
modulation)
250 kHz square wave
(black-to-white
modulation)
sound carrier
subharmonics;
f = 2.75 MHz
sound carrier
subharmonics;
f = 2.87 MHz
Rev. 01 — 16 November 2004
Table 6
Alignment-free vision and FM sound IF PLL demodulator
Table 6
Figure
i(VIF)
3 kHz
3 kHz
3 kHz
1
= 10 mV (RMS) (sync level for B/G); IF input from 50
21; unless otherwise specified.
[20]
Min
150
-
70
-
49
45
40
35
51
48
42
40
43
44
Typ
-
-
75
-
-
-
-
-
-
-
-
-
-
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
50
Max
-
20
-
-
-
-
-
-
-
-
-
-
-
PC
150
TDA9881
= 38.9 MHz;
Unit
kHz
Hz
dB
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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