M65845 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M65845

DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

MITSUBISHI ELECTRIC  

M65845AFP PRELIMINARY Nsootmicee

p; aTrhaismiestrnicotliamfitinsaalrsepseucbifjieccattitoonc. hange.

DIGITAL ECHO WITH

MITSUBISHI SOUND PROCESSOR

MICROPHONE MIXING CIRCUIT

ICs

4 Vocal cut

It is a method turned down Lch and Rch input having the same phase and sound .

Lowpass cut off frequency fc is determined by a capacitance which connect to 36 pin

(vocal cut filter).

It is also having a function which through frequency under vocal level for supplying a

lack of low level sound.

Rvc=20k typ

36

C34

1

fc=

2πRvcC34

at fc=50Hz, C34=0.15µF is determined.

Caution; Inside resistance is changeable one by one which rate is ±30%.

MITSUBISHI

ELECTRIC

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