參數(shù)資料
型號(hào): tda 6612-2
廠商: SIEMENS AG
英文描述: TV-Stereo-Sound(TV 立體聲)
中文描述: 電視,立體音響(電視立體聲)
文件頁(yè)數(shù): 9/47頁(yè)
文件大?。?/td> 1967K
代理商: TDA 6612-2
Semiconductor Group
9
TDA 6612-2
g) Switch Byte II
MPX period = 2 s signifies: ID-signal decoder searches 1 second dual and 1 second stereo.
It is inprinciple permitted to make with given
C
25, 26
the MPX-period higher than indicated, but not
lower.
Quasi stereo
Quasi stereo
Bb
Bb
=
=
=
=
0
1
0
1
Quasi stereo OFF; power ON
Quasi stereo ON
Stereo base width expansion OFF; power ON
Stereo base width expansion ON;
H-pulse
=
0
ID-signal decoder synchronization with
f
H
= 15.625 kHz;
power ON
ID-synchronization with 4 x
f
H
(has to be set to 1 during operation with crystal or 4-MHz
reference frequency)
H-pulse
=
1
Matrix 0
0
0
1
1
Matrix1
0
1
0
1
Matrix status
mono
stereo
dual
automatic according to ID-signal decoder
power ON
Bypass =
Bypass =
0
1
Normal operations (G-standard)
Matrix is bridge so that left/right
signals can be fed; power ON
(AM = 1 has priority over bypass = 1)
MSB
LSB
MPX0
MPX1
Quasi-st
BS
H-pulse
Matrix 0
Matrix 1
Bypass
MPX0
MPX1
MPX-period
recommended
C
25, 26
permissible
crystal tolerance
0
0
1
0
1
0
2 s
4 s
8 s
power ON
1
μ
F
2.2
μ
F
4.7
μ
F
special for crystal operation recommended adjustments:
0
0
2 s
0
1
4 s
470 nF
330 nF
±
40 ppm
±
70 ppm
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