參數(shù)資料
型號: TDA9615
廠商: NXP Semiconductors N.V.
英文描述: DIODE,TVS,BI,20V,1500W,J-LEAD
中文描述: 音頻處理器錄影帶高保真
文件頁數(shù): 16/44頁
文件大?。?/td> 263K
代理商: TDA9615
1997 Jun 16
16
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
TDA9615H
Output byte; subaddress 03 (output selection and control)
Table 16
Bits of output byte
Table 17
Bit LOH; note 1
Notes
1.
An additional 1 dB amplification can be selected for line and decoder outputs LINEL, LINER, DECL and DECR
(pins 15, 16, 18 and 19).
POR.
2.
Table 18
Bits OSN, OSR and OSL; notes 1 and 2
Notes
1.
When no hi-fi signal is found on tape during ‘playback’ mode the auto-normal function is activated; all output select
function modes except ‘mute’ will be overruled and changed to ‘Normal’ mode. If muting of the hi-fi sound is desired
instead of selecting linear audio the normal input level (bits NIL3 to NIL0 of the select byte) should be set to mute.
Activation of the auto-normal function can be monitored by reading bit AUTN of the read byte.
If ‘Dub Mix’ mode is selected via the input select function (see control bits IS2, IS1 and IS0 of the input byte)
functionality of the modes ‘Mix-Left’, ‘Mix-Right’ and ‘Mix-Stereo’ are changed to support audio dubbing input mixing.
Hi-fi channel selection is offered for the input and normal sound is available at the output for monitoring of the linear
audio recording. See also Table 19.
POR.
2.
3.
BIT
DESCRIPTION
LOH
OSN
OSR
OSL
EOS
LOS
DOS
RFCM
line output high; see Table 17
output select normal; see Table 18
output select right; see Table 18
output select left; see Table 18
envelope output select; see Table 20
line output select; see Table 21
decoder output select; see Table 22
RFC mute; see Table 23
LOH
MODE
0 dB
(2)
1 dB
DESCRIPTION
0
1
no line output amplification
1 dB line output amplification
OSN
OSR
OSL
MODE
DESCRIPTION
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
mute
(3)
Left
Right
Stereo
Normal
Mix-Left
Mix-Right
Mix-Stereo
mute; no selection
left hi-fi channel selected (language I)
right hi-fi channel selected (language II)
hi-fi stereo selected
normal selected (linear audio; LININ input)
mix of hi-fi left with normal (
1
2
hi-fi left +
1
2
normal)
mix of hi-fi right with normal (
1
2
hi-fi right +
1
2
normal)
mix of hi-fi stereo with normal (
1
2
hi-fi stereo +
1
2
normal)
相關PDF資料
PDF描述
TDA9615H Audio processor for VHS hi-fi(應用于VHS高保真的音頻處理器)
TDA9811 Multistandard VIF-PLL with QSS-IFand AM demodulator(帶QSS-IF和AM解調(diào)器的多標準的VIF-PLL)
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