M61512FP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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产品描述 (功能)

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M61512FP

5.1ch Electronic Volume

MITSUBISHI ELECTRIC  

MITSUBISHI SOUND PROCESSORS

M61512FP

5.1ch Electronic Volume

FUNCTION DESCRIPTION

(1)INPUT SELECTOR,INPUT GAIN,INPUT ATT

This IC is build in selector with 2ch 6input+mute.

The Input selector is able to control source signal level at 0dB or -5dB by Input ATT Switch.

And , for low level source signal it is able to change the gain by Input Gain Switch.

But There is a restriction on combination of ATT level and Gain.(Refer to below table)

60k

1

60k

2

60k

3

60k

4

60k

5

60k

6

<Input ATT and Input Gain possible to combine>

INPUT ATT setting INPUT Gain possible to set

0dB

0dB/3dB/6dB/9dB

-5dB

0dB/6dB

INPUT ATT

SW

(0dB/-5dB)

+

-

+

Positive output of selector

-

INPUT Gain

SW

(0/3/6/9dB)

-

+

Negative output of selector

(2)REC Block

REC signal output after mixing to microphone signal.

The signal level mixed on is 0dB.

And REC OUT2 build in REC MUTE Switch.

From MIC

REC INPUT

-

+

MUTE SW

REC OUT1

REC OUT2

MITSUBISHI

ELECTRIC

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