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M65845 参数 Datasheet PDF下载

M65845图片预览
型号: M65845
PDF下载: 下载PDF文件 查看货源
内容描述: DIGITAL ECHO带麦克风混合电路 [DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT]
分类和应用: 混合电路
文件页数/大小: 15 页 / 113 K
品牌: MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
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MITSUBISHI SOUND PROCESSOR ICs
M65845AFP
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
3 Input and output LPF
Signal through frequency fsig is also determined by LPF of Digital Echo cut off frequency.
2 degree LPF of Digital Echo is formed by external resistance and capacitor .
(refer to next figure) So, cut off frequency is determined by next formula.
fsig=
1
R8 • R9 • C13 • C14
LPF1
REF
LPF2
REF
12
13
23
24
R7
24kΩ
R8
C14
24kΩ
R9 24kΩ
R7
24kΩ
R8
C14
24kΩ
R9 24kΩ
C13
C13
MITSUBISHI
ELECTRIC
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