MSM7512 Просмотр технического описания (PDF) - Oki Electric Industry

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MSM7512

1200 bps Half Duplex FSK Modem – ITU-T V.23

Oki Electric Industry 

Semiconductor

MSM7512B

An Example of the External Adjustment for a transmitting Level and detecting Level

If you desire to change the transmitting level or detecting level, adjust the external circuit

by referring to the following circuit.

VAOL

51 kW

51 kW

R2

R1

2.2 mF

VAO

AO

Line

600 W

VAIL

600 W

R3

R4

51 kW

51 kW

AI

2.2 mF

VAI

Line transmitting level : VAOL = VAO ¥ (R2/R1)

IC input level

: VAI = VAIL ¥ (R4/R3)

10/12

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