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參數(shù)資料
| 型號： | TDA9875AH/V2,557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP |
| 文件頁數(shù)： | 22/96頁 |
| 文件大?。?/td> | 324K |
| 代理商： | TDA9875AH/V2,557 |
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1999
Dec
20
29
Philips
Semiconductors
Product
specication
Digital
TV
Sound
Processor
(DTVSP)
TD
A9875A
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Table 7
Level setting FM, AM and NICAM at 0 dB (full-scale) = 1.4 V (RMS); note 1
Notes
1. Nominal level at digital crossbar is defined at
15 dB (full-scale). DAC gain setting 6 dB. Output buffer setting 0 dB. Nominal SCART output level
500 mV (RMS).
2. For stereo signals the output level is 6 dB lower. The level adjust has to be increased by 6 dB.
STANDARD
MODE
TRANSMITTER
NOMINAL
MODULATION
DEPTH
NOMINAL LEVEL AT
DEMODULATOR
OUTPUT
CARRIER FREQUENCY
MODE IDENT DE-EMPHASIS
FM/NICAM
LEVEL
ADJUST
M
2 channel 15 kHz deviation
24 dB (full-scale);
note 2
1
4.5 MHz
FM
75
s+9 dB
2
4.724 MHz
FM
on
75
s+9 dB
B/G
2 channel 27 kHz deviation
19 dB (full-scale)
1
5.5 MHz
FM
50
s+4 dB
2
5.742 MHz
FM
on
50
s+4 dB
NICAM
11.2 dB (full-scale) 18 dB (full-scale)
1
5.5 MHz
FM
50
s+4 dB
2
5.85 MHz
NICAM off
J17
+3 dB
I
NICAM
15.8 dB (full-scale) 23 dB (full-scale)
1
6.0 MHz
FM
50
s+4 dB
2
6.552 MHz
NICAM off
J17
+8 dB
D/K
2 channel 27 kHz deviation
19 dB (full-scale)
1
6.5 MHz
FM
50
s+4 dB
2
6.742 MHz
FM
on
50
s+4 dB
2 channel 27 kHz deviation
19 dB (full-scale)
1
6.5 MHz
FM
50
s+4 dB
2
6.25 MHz
FM
on
50
s+4 dB
2 channel 27 kHz deviation
19 dB (full-scale)
1
6.5 MHz
FM
50
s+4 dB
2
5.742 MHz
FM
on
50
s+4 dB
NICAM
11.2 dB (full-scale) 18 dB (full-scale)
1
6.5 MHz
FM
50
s+4 dB
2
5.85 MHz
NICAM off
J17
+3 dB
L/L accent
NICAM
54% AM
19 dB (full-scale)
1
6.5 MHz
AM
50
s+5 dB
2
5.85 MHz
NICAM off
J17
+3 dB
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