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參數(shù)資料
| 型號： | TDA9870A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Digital TV Sound Processor DTVSP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| 封裝： | SHRINK, PLASTIC, DIP |
| 文件頁數(shù)： | 27/88頁 |
| 文件大?。?/td> | 362K |
| 代理商： | TDA9870A |
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Table 6
0 dB (full-scale) = 1.4 V (RMS); note 1.
FM level setting
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).
For stereo signals the output level is 6 dB lower. The level adjust has to be increased by 6 dB.
2.
Table 7
0 dB (full-scale) = 1.4 V (RMS).
Level setting SAT FM
2 CHANNEL
FM
STANDARD
TRANSMITTER
NOMINAL
MODULATION
DEPTH
NOMINAL LEVEL AT
DEMODULATOR
OUTPUT
(FULL-SCALE)
CARRIER #1
FREQUENCY
CARRIER #2
DE-EMPHASIS
OF CARRIER #1
AND CARRIER #2
FM LEVEL
ADJUST
SETTING OF
CARRIER #1 AND
CARRIER #2
FREQUENCY
IDENT
M
B/G
D/K
15 kHz deviation
27 kHz deviation
27 kHz deviation
27 kHz deviation
27 kHz deviation
24 dB; note 2
19 dB
19 dB
19 dB
19 dB
4.5 MHz
5.5 MHz
6.5 MHz
6.5 MHz
6.5 MHz
4.724 MHz
5.742 MHz
6.742 MHz
6.25 MHz
5.742 MHz
on
on
on
on
on
75
μ
s
50
μ
s
50
μ
s
50
μ
s
50
μ
s
9 dB
4 dB
4 dB
4 dB
4 dB
SOURCE
TRANSMITTER
MAXIMUM
MODULATION
DEPTH
NOMINAL LEVEL AT
DEMODULATOR
OUTPUT
(FULL-SCALE)
13 dB
9 dB
FM LEVEL
ADJUST
SETTING
LEVEL AT
CROSSBAR
(FULL-SCALE)
9 dB
DAC
GAIN
SETTING
OUTPUT
BUFFER
NOMINAL SCART
OUTPUT VOLTAGE
SAT FM, stereo
SAT FM, mono
50 kHz deviation
85 kHz deviation
4 dB
0 dB
6 dB
0 dB
1 V (RMS)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA9873 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard dual carrier stereo sound decoder |
| TDA9873H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard dual carrier stereo sound decoder |
| TDA9873HS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard dual carrier stereo sound decoder |
| TDA9874A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder |
| TDA9874AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder |
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