參數(shù)資料
型號: tda 6812-5
廠商: SIEMENS AG
英文描述: TV-Stereo Processor(TV 立體聲處理器)
中文描述: 電視,立體聲處理器(電視立體聲處理器)
文件頁數(shù): 10/32頁
文件大小: 1639K
代理商: TDA 6812-5
TDA 6812-5
Semiconductor Group
122
g) Switching Byte IV
MXP-period = 2 s means that identification-signal decoder searches 1 s for dual and 1 s for stereo.
It is basically permissible, for the given
C
36,38
, to make the MPX period longer, but not shorter.
QSt
QSt
BE
BE
Mono
Mono
P1
P1
P2
P2
Matrix
Matrix
=
=
=
=
=
=
=
=
=
=
=
=
0
1
0
1
0
1
0
1
0
1
0
1
Quasi-stereo OFF; power ON
Quasi-stereo ON
Stereo base enlargement OFF; power ON
Stereo base enlargement ON
Identification-signal decoder set to stereo and held; power ON
Normal operation of identification-signal decoder
Port 1 (open collector) low (low-impedance); power ON
Port 1 high (high impedance)
Port 2 (open collector) low (low-impedance); power ON
Port 2 high (high impedance)
Gain matrix 0 dB
Gain matrix 6 dB; power ON
h) Talk Mode
CL = 1
Loudspeaker signal path at clipping limit
(CL is automatically reset after each reading operation)
T3 thru T5 are test bits.
MSB
LSB
MPX0
MPX1
QSt
BE
Mono
P1
P2
Matrix
MPX0
MPX1
MPX-Period
Recommended
C
36,38
1
μ
F
2.2
μ
F
4.7
μ
F
Perm. Xtal Tolerances
±
20 ppm
±
10 ppm
±
5 ppm
0
0
1
0
1
0
2 s Power-ON
4 s
8 s
Settings specially recommended for crystal operation
0
0
0
1
2 s
4 s
470 nF
330 nF
±
40 ppm
±
70 ppm
MSB
LSB
St
D
T3
T4
T5
CL
X
X
0
1
0
1
0
0
1
1
Decoder detects mono
Decoder detects stereo
Decoder detects dual
Suppressed internally
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