M65854 查看數據表（PDF） - Mitsumi

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M65854

DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

Mitsumi 

PRELIMINARY M65854FP 50 soNmoeticpear;aTmheistriisc

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DIGITAL ECHO

WITH

MITSUBISHI SOUND PROCESSOR ICs

MICROPHONE MIXING CIRCUIT

SE

KARAOKE

RI

E

S

Pin No. Symbol

2 2 DACONT

2 3 DAINTIN

2 4 DAINTOUT

2 5 LPF2IN1

2 6 LPF2IN2

2 7 LPF2OUT

2 8 RIN

2 9 LIN

3 0 VCFIL

3 1 ROUT

3 2 LOU

3 3 PS1

3 4 PS2

3 5 AUDSW1

3 6 AUDSW2

3 7 AUDSW3

3 8 AUDSW5

3 9 AUDSW4

4 0 ECHOVOL

4 1 MIC2VOL

4 2 MIC1VOL

Nam

D/A control

D/A integrator input

D/A integrator output

Low pass filter 2 input 1

Low pass filter 2 input 2

Low pass filter 2 output

Rch line input

Lch line input

Vocal cut filter

Rch output

Lch output

Phase shift input 1

Phase shift input 2

I/O

Function

—

To determine adaptive time constant of

D/A convertor with ADM system

I Composes D/A conversion integrator with

external capacitor

O

I

I Post-filter after D/A conversion for digital delay

O

I Rch line input

I Lch line input

— Processes frequencies lower than the vocal band

O Rch mixing output

O Lch mixing output

I

Determines a constant at time of phase shift

I

Source selector and

Auto vocal support sw

Source selector and Auto vocal support sw

I : audio signal is selected by setting these

switches to L or H

Auto vocal support sw

Phase shift sw

Echo effect volume control

MIC2 volume control

Auto vocal support sw : ON set to

I H,OFF set to L

I Phase shift sw : ON set to H,OFF set to L

I

Echo effect volume control by DC

voltage

I MIC2 volume control by DC voltage

MIC1 volume control

I MIC1 volume control by DC voltage

MITSUBISHI

ELECTRIC

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