MH88400 Ver la hoja de datos (PDF) - Mitel Networks

Número de pieza

componentes Descripción

Fabricante

MH88400

Line Interface Circuit

Mitel Networks 

MH88400

Preliminary Information

AC Electrical Characteristics† - MH88400-1

Characteristics

Sym Min

Typ‡ Max

Units

Test Conditions

1 2-Wire input Impedance

(200Ω + 820Ω //115nF)

2 Return Loss at 2-Wire

(200Ω + 820Ω //115nF)

Zin

900

RL 20 22

20 24

20 26

Ω

@ 1kHz

dB 300-500Hz

dB 500-2500Hz

dB 2500-3400Hz

3 Longitudinal to Metallic Balance

40 65

55 60

53 60

dB 50-300Hz

dB 300-1000Hz

dB 1000-4000Hz

4 Idle Channel Noise

Nc

at 2-Wire

At VX

-84 -78 dBmp

-81

dBmp

† AC Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.

‡ Typical figures are at 25°C and are for design aid only.

Note 1: All of the above characteristics use a test circuit as per Figure 3.

Note 2: All of the above test conditions use a test source impedance which matches the device’s impedance.

Note 3: dBm is referenced to 600Ω unless otherwise stated.

Note 4: THD is measured with “Weight” filter.

AC Electrical Characteristics† - MH88400-2

Characteristics

Sym Min Typ‡ Max Units

1 2-Wire Input Impedance -2 (600Ω) ZIn

600

Ω

2 Return Loss at 2-Wire

(Reference -2 =600Ω)

RL

20

24

dB

3 Longitudinal to Metallic Balance

50 60

dB

4 Idle Channel Noise

Nc

at 2-Wire

at VX

-84 -78 dBrnp

-81

dBrnp

† AC Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.

‡ Typical figures are at 25°C and are for design aid only.

Test Conditions

@ 1kHz

300-3400Hz

300-3400Hz

AC Electrical Characteristics† - MH88400-3

Characteristics

Sym Min Typ‡ Max Units

Test Conditions

1 2-Wire Input Impedance

(370Ω + 620Ω // 310nF)

2 Return Loss at 2-Wire

(370Ω + 620Ω // 310nF)

3 Longitudinal to Metallic Balance

Zin

700

RL 18 20

50 60

Ω

@ 1kHz

dB 200-2400Hz

dB 300-3400Hz

4 Idle Channel Noise

Nc

at 2-Wire

at VX

-80 -70 dBmp

-80 -70 dBmp

† AC Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.

‡ Typical figures are at 25°C and are for design aid only.

Note 1: All of the above characteristics use a test circuit as per Figure 3.

Note 2: All of the above test conditions use a test source impedance which matches the device’s impedance.

Note 3: dBm is referenced to 600Ω unless otherwise stated.

Note 4: THD is measured with “weight” filter.

2-16

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