參數(shù)資料
型號: TDA9874AH
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: Digital TV sound demodulator/decoder
中文描述: AM/FM, AUDIO DEMODULATOR, PQFP44
封裝: 14 X 14 MM, 2.20 MM HEIGHT, PLASTIC, SOT-205-1, QFP-44
文件頁數(shù): 23/68頁
文件大?。?/td> 231K
代理商: TDA9874AH
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Table 6
0 dB (FS) = 1.4 V (RMS); FS = full-scale.
Level setting FM, AM and NICAM
Table 7
0 dB (FS) = 1.4 V (RMS); FS = full-scale.
Level setting SAT FM
SOURCE
TRANSMITTERNOMINAL
MODULATION DEPTH
NOMINAL LEVEL AT
DEMODULATOR OUTPUT
LEVEL
ADJUSTMENT
SETTING
NOMINAL LEVEL
AT CROSSBAR
DAC GAIN
SETTING
NOMINAL OUTPUT
VOLTAGE V
O
FM
M standard
FM
B/G, D/K, I
standard
AM
L/L accent
standard
NICAM
B/G, D/K,
L standard
NICAM
I standard
15 kHz deviation
24 dB (FS)
+9 dB
15 dB (FS)
(spread of
±
0.5 dB
due to different
transmitter
references)
+6 dB
500 mV (RMS)
27 kHz deviation
19 dB (FS)
+4 dB
54%
19 dB (FS)
+4 dB
11.2 dB (FS)
18 dB (FS)
+3 dB
15.8 dB (FS)
23 dB (FS)
+8 dB
SOURCE
TRANSMITTER
MAXIMUM MODULATION
DEPTH
NOMINAL LEVEL AT
DEMODULATOR OUTPUT
LEVEL
ADJUSTMENT
SETTING
MAXIMUMLEVEL
AT CROSSBAR
DAC GAIN
SETTING
MAXIMUMOUTPUT
VOLTAGE V
O
SAT FM
stereo
SAT FM
mono
50 kHz deviation
13 dB (FS)
+4 dB
9 dB (FS)
+6 dB
1 V (RMS)
85 kHz deviation
9 dB (FS)
0 dB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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