MT9076BB1 Просмотр технического описания (PDF) - Zarlink Semiconductor Inc

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Компоненты Описание

производитель

MT9076BB1

T1/E1/J1 3.3 V Single Chip Transceiver

Zarlink Semiconductor Inc 

MT9076B

Data Sheet

TTIP

0.47 uF RT

1:2.4

Tx

TRING

RTIP

RRING

RT

RT: refer to datasheet

1:1

100 Ω

120 Ω

75 Ω

Rx

Figure 5 - Analog Line Interface

Notes:

1) Protection circuitry (i.e., voltage clamps, line fuses, common mode choke etc.) depends on the

application and is not shown. For a reference design, refer to the evaluation board schematic.

2) The transformer shown is a Pulse Engineering T1144.

Name

Functional Description

TXL2-0 Transmit Line Build Out 2 - 0. Setting these bits shapes the transmit pulse as detailed in the table

below:

TXL2

TXL1

TXL0

Line Build Out

0

0

0

0 to 133 feet/ 0 dB

0

0

1

133 to 266 feet

0

1

0

266 to 399 feet

0

1

1

399 to 533 feet

1

0

0

533 to 655 feet

1

0

1

-7.5 dB

1

1

0

-15 dB

1

1

1

-22.5 dB

After reset these bits are zero.

Table 1 - Transmit Line Build Out (T1)

24

Zarlink Semiconductor Inc.

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