MT9075B 查看數據表（PDF） - Zarlink Semiconductor Inc

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MT9075B

E1 Single Chip Transceiver

Zarlink Semiconductor Inc 

MT9075B

Data Sheet

Tx

0.68uF RT

1:2

TTIP

TRING

RT

MT9075B

RTIP

RRING

1:1

120Ω/

75Ω

Rx

Figure 4 - Analog Line Interface

The template for the transmitted pulse, as specified in G703, is shown in Figure 5. The nominal peak voltage of a

mark is 3 volts for 120 Ω twisted pair applications and 2.37 volts for 75 Ω coax applications. The ratio of the

amplitude of the transmit pulses generated by TTP and TRING is between 0.95 and 1.05.

Percentage of

Nominal Peak

120

110

100

90

80

50

269nS

244nS

194nS

10

0

-10

Nominal Pulse

-20

219nS

488nS

Figure 5 - Pulse Template (G.703)

10

Zarlink Semiconductor Inc.

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