參數(shù)資料
型號(hào): TEA6849H
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: New In Car Entertainment car radio tuner IC with Precision Adjacent Channel Suppression
中文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80
文件頁數(shù): 37/65頁
文件大?。?/td> 405K
代理商: TEA6849H
2003 Dec 19
37
Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6849H
Table 16
Description of data byte 4 bits
Table 17
Setting of wideband AGC for AM (m = 0.3)
Table 18
Setting of wideband AGC for FM
Table 19
FM IF2 bandwidth setting
BIT
SYMBOL
DESCRIPTION
7
KAGC
Keyed FM AGC.
If KAGC = 0, then keyed FM AGC is off. If KAGC = 1, then keyed
FM AGC is on.
Wideband AGC.
These 2 bits set the start value of wideband AGC. For AM,
see Table 17 and for FM, see Table 18.
AM soft mute.
If AMSM = 0, then AM soft mute is off. If AMSM = 1, then AM soft
mute is on (default).
Local or distance.
If LODX = 0, then distance mode is on. If LODX = 1, then local
mode is on.
Software programmable flag.
If FLAG = 0, then flag output pin SWFLAG is HIGH.
If FLAG = 1, then flag output pin SWFLAG is LOW.
FM IF2 bandwidth setting.
See Table 19.
6 and 5
AGC[1:0]
4
AMSM
3
LODX
2
FLAG
1 and 0
BW[1:0]
AGC1
AGC0
AM MIXER 1 INPUT VOLTAGE (PEAK VALUE)
(mV)
0
0
1
1
0
1
0
1
150
275
400
525
AGC1
AGC0
FM RF MIXER INPUT VOLTAGE (RMS VALUE)
(mV)
1
1
0
0
1
0
1
0
3
6
9
12
BW1
BW0
FM IF2 BANDWIDTH B
3 dB
dynamic mode
130 kHz fixed
90 kHz fixed
60 kHz fixed
0
0
1
1
0
1
0
1
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