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參數資料
型號: 935263704518
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO DEMODULATOR, PQFP44
封裝: PLASTIC, QFP-44
文件頁數: 25/71頁
文件大小: 304K
代理商: 935263704518
2000 Aug 04
31
Philips Semiconductors
Product specication
Digital TV sound demodulator/decoder
TDA9874A
7.3.11
CHANNEL 2OUTPUT LEVEL ADJUSTMENT REGISTER (C2OLAR)
This register is used to correct for standard and station-dependent differences of signal levels. Table 37 applies to the
FM dematrix output channel 2 in its FM and AM modes. In the event of FM stereo or FM dual language reception,
channels 1 and 2 should be adjusted to the same level. The default setting after Power-on reset is 0000 0000.
Table 37 Channel 2 output level adjustment register (subaddress 13)
The gain chosen is also applied to the FM signal channel 1 for input to the mono channel.
76543210
GAIN SETTING (dB)
00001111
+15
00001110
+14
00001101
+13
00001100
+12
00001011
+11
00001010
+10
00001001
+9
00001000
+8
00000111
+7
00000110
+6
00000101
+5
00000100
+4
00000011
+3
00000010
+2
00000001
+1
00000000
0
00011111
not dened
00011110
1
00011101
2
00011100
3
00011011
4
00011010
5
00011001
6
00011000
7
00010111
8
00010110
9
00010101
10
00010100
11
00010011
12
00010010
13
00010001
14
00010000
15
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