參數(shù)資料
型號(hào)： CXA1553M
廠(chǎng)商： Sony Corporation
英文描述： Dolby B Type Noise Reduction System(杜比B型降噪系統(tǒng))
中文描述： 杜比B型降噪系統(tǒng)（杜比乙型降噪系統(tǒng)）
文件頁(yè)數(shù)： 10/16頁(yè)
文件大?。?/td> 224K
代理商： CXA1553M
—10—
CXA1550P, CXA1551M/P, CXA1552M/P, CXA1553M/P
5) MPX filter termination and C
1
for V
CC
/2 (Pin 4)
The MPX (multiplex) filter termination method shown in Fig. 1 allows saving the coupling capacitors
between the buffer amplifiers and MPX filters. However, the channel to channel separation and REC to PB
crosstalk of low frequency signals will be degraded by the termination resistor RT. For example, 5 k
of R
1
will degrade the channel to channel separation to 50 dB. Better separation can be obtained by increasing
the capacitance of C
1
(Pin 4) to 220 μF or 470 μF.
The allowable minimum value of C
1
is 47 μF, and 100 μF is the standard recommended value. Larger
values of C
1
are generally desirable in order to improve the crosstalk and ripple rejection ratio.
6) Application for dubbing cassette decks
The CXA1550 series generates non decoded signal at the recoding output in the playback (decode) mode,
and can simplify the structure of dubbing decks. See the Sony’ Dolby B/C type IC (CX20187/CXA1097Q or
CX20188/CXA1098Q) data sheet in detail.
Fig. 1
1
2
3
4
13
14
15
16
CXA1550 Series
C1
470
μ
C21
4.7
μ
C11
4.7
μ
R
T
R
T
Line
Input
Line
Input
Buffer
Buffer
MPX
Filter
MPX
Filter
相關(guān)PDF資料
PDF描述
CXA1553P Dolby B Type Noise Reduction System(杜比B型降噪系統(tǒng))
CXA1550 Quad Precision Operational Amplifiers 20-LCCC -55 to 125
CXA1551 Quad Precision Operational Amplifiers 14-CDIP -55 to 125
CXA1552 Dolby B type Noise Reduction System
CXA1553 Dolby B type Noise Reduction System
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CXA1553M/P 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dolby B type Noise Reduction System
CXA1553P 制造商:SONY 制造商全稱(chēng):Sony Corporation 功能描述:Dolby B type Noise Reduction System
CXA1553P/M 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dolby B type Noise Reduction System
CXA1554N 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:4-Channel Disk/Tape Read/Write Circuit
CXA1560S 制造商:SONY 制造商全稱(chēng):Sony Corporation 功能描述:Dolby B-C Type Noise Reduction System
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