MH88620IN Ver la hoja de datos (PDF) - Mitel Networks

Número de pieza

componentes Descripción

Fabricante

MH88620IN

C.O. SLIC

Mitel Networks 

MH88620IN

Preliminary Information

Transmit Gain (dB)

2-Wire to Tx 20log

(Tx/2-Wire)

RTX Resistor (1%)

Value (Ω)

Notes

+6.0

+4.0

No Resistor

38.3k

+3.7

0.0

-3.0

-6.0

-12.0

32.4k

Connect GTX0 to GTX1

5.49k

3.32k

1.43k

Note 1: Overall gain refers to the receive path of PCM to 2-Wire.

Note 2: See Figure 2 for Application Circuit.

Results in 0dB overall gain when used with

Mitel A-law codec (i.e. MT8965)

Receive Gain (dB)

Rx to 2-Wire 20log

(2-Wire/ Rx)

RRX Resistor (1%)

Value (Ω)

Notes

+6.0

0.0

-3.0

-3.7

-4.0

No Resistor

Connect GRX0 to GRX1

5.49k

4.87k

4.64k

Results in 0dB overall gain when used with

Mitel A-law codec (i.e. MT8965)

-6.0

-12.0

3.32k

1.43k

Note 1: Overall gain refers to the receive path of PCM to 2-Wire.

Note 2: See Figure 2 for Application Circuit.

2-164

75

ILoop 60

(mA)

40

Constant Voltage

Region

0

RLoop (ohms)

2k ohms

Graph 1 - ILoop/RLoop Characteristics

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