msm7510 Oki Semiconductor, msm7510 Datasheet - Page 10

• Manufacturer Part Number: msm7510
• Description: 300 Bps Full Duplex Fsk Modem ? Itu-t V.2
• Manufacturer: Oki Semiconductor

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.
Line transmitting level : V
IC input level
Semiconductor
VAOL
600 W
Line
VAIL
51 kW
: V
–
+
AOL
AI
= V
51 kW
600 W
= V
AIL
AO ¥
¥
(R4/R3)
R3
(R2/R1)
R2
–
+
R1
R4
–
+
2.2 mF
2.2 mF
51 kW
VAO
VAI
51 kW
MSM7510
10/12
AO
AI