MSM6946RS Ver la hoja de datos (PDF) - Oki Electric Industry

Número de pieza

componentes Descripción

Lista de partido

MSM6946RS

300 bps Single Chip FSK MODEM

Oki Electric Industry 

¡ Semiconductor

MSM6926/6946

+6 dBm

AO 25

SG1 20

C3

–6 dBm

AIN 21

AG 19

R5

R4

R3

R7

R6 C0

0 dBm

R2 R1 C2

C1

0 dBm

600 W : 600 W

Phone

Line

–6 dBm

Figure 9 MSM6926RS/MSM6946RS Application

C0, C1

C2

C3

R1

0.047 mF

2.2 mF

1 mF

600 W

R2

51 kW

R6 (51 kW) Receive signal level

R3

51 kW

R7

51 kW

R4

51 kW

R8 (33 kW) Carrier detect level

R5 (51 kW) Transmit signal level R9

51 kW

Note: The signal level on the AIN pin should not exceed –6 dBm.

External

Oscillator

VD

*1

GATE

3.58 MHz

200 pF

X2

*2

X1

*1 TTL or Hi-Speed CMOS GATE

*2 Left unconnected

External Oscillator Connection

Figure 10

20/25

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