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參數(shù)資料
| 型號(hào)： | TDA9614H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Audio processor for VHS hi-fi and linear audio(應(yīng)用于VHS高保真和線性音頻的音頻處理器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁(yè)數(shù)： | 25/60頁(yè) |
| 文件大小： | 570K |
| 代理商： | TDA9614H |
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1995 Mar 21
25
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
and linear audio
TDA9614H
Table 30
Normal Playback Level bits; note 1
Note
1.
A selection of 16 settings of amplification in the linear audio playback amplifier can be made. This can be used for
adjustment purposes or as a fixed setting.
Table 31
Bit AUTN; note 1
Note
1.
When the audio FM circuit is in playback and there is no FM input signal (playback of a conventional recording) the
audio FM circuitry is muted. If this situation occurs and AUTN = 1 the selections stereo, left or right in the output
select (OSR, OSL and OSN) are overridden and the selection normal is made. This means that linear audio is the
output signal for as long as the internal playback mute is active. The status of this internal mute signal can be read
by bit PAFM (see Section 6.13).
Table 32
Bit DOC
Note
1.
When DOC = 1 an additional sample-and-hold circuit is activated during drop-outs in the FM input signal, minimizing
their audibility.
NPL3
NPL2
NPL1
NPL0
MODE
7 dB
6 dB
5 dB
4 dB
3 dB
2 dB
1 dB
0 dB [por]
1 dB
2 dB
3 dB
4 dB
5 dB
6 dB
7 dB
8 dB
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
AUTN
MODE
DESCRIPTION
0
Audio FM signal is muted, when no hi-fi tracks are found in
playback [por].
Output select is switched to normal, when no hi-fi tracks are found in
playback.
1
auto normal
DOC
MODE
DESCRIPTION
0
1
drop-out cancel
(1)
audibility of short drop-outs is minimized [por]
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