MT9074 Просмотр технического описания (PDF) - Mitel Networks

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Компоненты Описание

производитель

MT9074

T1/E1/J1 Single Chip Transceiver

Mitel Networks 

Advance Information

Peak to Peak

Jitter Amplitude

(log scale)

18UI

MT9074

Tolerance

MT9074

1.5UI

0.2UI

1.667Hz 20Hz

Jitter Frequency

(log scale)

2.4kHz 18kHz 100kHz

Figure 4 - Input Jitter Tolerance as recommended by ETSI 300 011 (E1)

Name

TXL2-0

Functional Description

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)

TTIP

0.68uF RT

1:2

Fuse

Tx

TRING

RTIP

RRING

RT

+5V

Fuse

RT: 2.4 Ω

1:1

Fuse

100 Ω

Fuse

Rx

Figure 5 - Analog Line Interface (T1)

9

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