MSM7584C View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

MFG CO.

MSM7584C

π/4 Shift QPSK MODEM/ADPCM CODEC

Oki Electric Industry 

1 2 3 4 5 6 7 8 9 10 Next

¡ Semiconductor

Vi

C1 R1

Differential analog input signal

C1 R1

Transmit gain : (VGSX2/Vi)

= R2/R1

R2

R2

AIN–

–

+

AIN+

GSX

SGCT

SGCR

MSM7584C

to ENCODER

Reference

voltage

generator

Receive side

output signal

Sounder output

signal gain

= R4/R3

R3

R4

Sounder output signal

VFRO

+1

SAO

–1

PWI

–

+

AOUT–

AOUT+

–1

from

DECODER

SELECT

150 W driving amplifier

Figure 1 Analog Interface

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