M65850P/FP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M65850P/FP

DIGITAL ECHO(DIGITAL DELAY)

MITSUBISHI ELECTRIC  

M65850P/FP 50 PRELIMINARY DIGITAL ECHO(DIGITAL DELAY) Nsootmicee ;pTahraismiestnrioctliamfiitnsaalrsepseucbifijceacttioton.change.

MITSUBISHI SOUND PROCESSOR ICs

SERIES

KARAOKE

(3) Input/output LPF

It is necessary to change the LPF setting ( signal pass band,fsig )

of digital echo according to the clock frequency. ( Refer to the table below )

LPF1

REF

LPF2

REF

1*

2*

* (FP:2)

C2 * (FP:3)

R2

R1

R1

C1

9*

8*

*(FP:10)

C2 *(FP:9)

R2

R1

R1

C1

••• fsig= 2π

1

C1 • C2 • R1 • R2

Delay time Clock

signal pass

( ms ) frequency( Hz ) band ( Hz )

15~30 11.0M ~ 5.5M 7k

31~100 5.3M ~ 1.64M 5k

101~200 1.62M ~ 800k

3k

R1( Ω )

15k

13k

16k

LPF

Distortion

(Reference value)

R2 ( Ω ) C1 (F) C2 (F)

(%)

15k 3300p 680p 0.2%

(Td=20ms)

13k

4700p 1000p

0.3%

(Td=50ms)

16k

6800p 1500p

1.2%

(Td=160ms)

•Test Condition is Vcc=5V,Vi=100mV(rms),f=1kHz,Ta=25°C

MITSUBISHI

ELECTRIC

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