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參數(shù)資料
| 型號： | M65853 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT |
| 中文描述： | 數(shù)字回聲混合電路和麥克風(fēng) |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 113K |
| 代理商： | M65853 |
ELECTRIC
MITSUBISHI
( 1 4
M65853FP
MITSUBISHI SOUND PROCESSOR ICs
KARAOKE
50
S E R I E S
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
(7) Input and output LPF for the digital echo
The input and output LPF for the digital echo are configured as shown.
figure below.
C2:1000pF
C1:4700pF
Input
Output
15
16
The accuracy of the internal resistance of the IC is approximately ±30%
Cut-off frequency(fc) is given as follows.
Quality factor (Q) is given by the following equation for long echo.
fc=
1
X
2
π
X24k
C1XC2
Q=
C1
C2
1
3
=
1
2
π
X24k
X
4700pFX1000pF
3.1KHz
0.72 (Figure of 0.7 is recommended)
14
24k
24k
24k
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| M65853FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT |
| M65854 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT |
| M65854FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT |
| M65855FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CHIP DIGITAL ECHO WITH MICROPHONE MIXING AMPLIFIER |
| M65856 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT |
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