MH89791 查看數據表（PDF） - Mitel Networks

零件编号

产品描述 (功能)

生产厂家

MH89791

CEPT PCM 30 Transmit Equalizer

Mitel Networks 

MH89791

Advance Information

6dB Pad

Tip O

•

60Ω

60Ω

•

•

Tip

Line

60Ω

Ring O

60Ω

•

120Ω

•

60Ω

Ring

60Ω

•

Line

EQUALIZER

EiT

•S5

240Ω

3600pF

•

•S4

468Ω

1600pF

•

60Ω

60Ω

•

•

•

•

TxT

60Ω

•

120Ω

••

134.4Ω

152.4Ω

S1

•

6.8µH

• S2

15µH

S3

60Ω

60Ω

EiR

•

60Ω

•

TxR

1600pF

•

• • S6

468Ω

3600pF

•

• S7

240Ω

Figure 2 - MH89791 Circuit Description

S1 X

-

-

S2 -

X

-

S3 -

-

X

-=SWITCH OPENED

X=SWITCH CLOSED

S4

-

-

-

S5 -

-

-

S6 -

-

-

S7 -

-

-

NO EQUALIZATION

X

-

-

X

-

-

-

X

-

-

X

-

-

-

X

-

-

X

X

X

X

-

-

-

-

-

-

X

X

X

X

X

X

-

-

-

-

-

-

X

X

X

INCREASING EQUALIZATION

X

-

-

-

X

-

-

-

X

X

X

X

X

X

X

X

X

X

X

X

X

MAX. EQUALIZATION

Figure 3 - Switch Settings for Different Levels of Equalization

4-220

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