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TDA9898HL/V3 Datasheet(PDF) 29 Page - NXP Semiconductors

Part # TDA9898HL/V3
Description  Multistandard hybrid IF processing
PDF  103 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

TDA9898HL/V3 Datasheet(HTML) 29 Page - NXP Semiconductors

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TDA9897_TDA9898_4
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
29 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
Table 26.
W3 - data write register bit allocation
7
6
5
4
3
2
1
0
RESCAR
AMUTE
FMUTE
FMWIDE0
DEEMT
DEEM
AGAIN1
AGAIN0
Table 27.
W3 - data write register bit description
Bit
Symbol
Description
7
RESCAR
video gain correction for residual carrier
1 = 20 % residual carrier
0 = 10 % residual carrier
6
AMUTE
auto mute
1=on
0 = off
5
FMUTE
forced mute
1=on
0 = off
4
FMWIDE0
FM window (W6[3] = 0)
1 = 475 kHz; normal FM phase detector steepness
0 = 237.5 kHz; high FM phase detector steepness
3
DEEMT
de-emphasis time
1=50
µs
0=75
µs
2
DEEM
de-emphasis
1=on
0 = off
1 and 0
AGAIN[1:0] audio gain
00=0dB
01 =
−6dB
10 =
−12 dB (only for FM mode)
11 =
−18 dB (only for FM mode)



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