MH88600 Просмотр технического описания (PDF) - Mitel Networks

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производитель

MH88600

0.3-15V; 4W; global SLIC. For PABX, intercoms, key systems, central office equipment

Mitel Networks 

MH88600

Preliminary Information

AC Electrical Characteristics† - Voltages are with respect to GNDA unless otherwise stated.

Characteristics

Sym Min. Typ* Max Units

Test Conditions

1 Ringer Voltage

2 Ringer Equivalence No.

VR

REN

105 Vrms See Fig 6

5

3 Ring Trip Detect Time

200 ms

4 Input Impedance at PG4

ZRX

at VRX

112

RRX

kΩ See Fig 5

See Fig 4

5 Output Impedance at TX

ZTX

3

6 Gain 2-Wire to TX: Fixed Gain A TX +3.5 +4 +4.5

Programmable Range

Frequency Response Gain

RTX -12

+6

relative to Gain @ 1kHz

AR TX

300Hz

600Hz and 2400Hz

3000Hz

3400Hz

-0.75

0.1

-0.1

0.1

-0.3

0.1

-0.75

0.1

Ω

dB Input 1.0V at 1kHz See Fig 5

dB See Figure 4

Input 1.0V

600Ω 2-Wire Impedance

dB

dB

dB

dB

7 Gain RX to 2-Wire: Fixed Gain ARX -4.5 -4 -3.5

Programmable Range

Frequency Response Gain

RRX -12

+6

relative to Gain @ 1kHz

ARRX

300Hz

600Hz and 2400Hz

3000Hz

3400Hz

-0.75

0.1

-0.1

0.1

-0.3

0.1

-0.75

0.1

dB Input 1.0V at 1kHz See Fig 5

dB See Figure 4

Input 1.0V

600Ω 2-Wire Impedance

dB

dB

dB

dB

8 2-Wire Return Loss

RL

20 26

18

dB Input 1.0V, 200Hz to 3.4kHz

dB Input 1.0V, 3.4kHz to 4kHz

9 2-Wire Input Impedance

10 Transhybrid Loss

ZIN

THL 20 40

See Table 1

dB Input 1.0V at 300Hz to

3400Hz at PG4

11 Longitudinal Balance

52

dB 40 - 3400Hz

41

dB 3400-4000Hz

12 Total Harmonic Distortion

at TX

at 2-Wire

THD

0.1 1.0

0.1 1.0

%

Input 1.0V at 1kHz at 2-Wire

%

Input 1.0V at 1kHz at PG4

13 Common Mode Reject Ratio

CMRR 40

CCITT 0.121

14 Idle Channel Noise at TX

Nc

(0dB gain)

Np

Idle Channel Noise at 2-Wire

Nc

(0dB gain)

Np

13 18 dBrnC

-78 -73 dBrnp

11

16 dBrnC

-80 -75 dBrnp

15 Power Supply Reject Ratio VDD PSRR 25

VEE

20

VBAT

30

dB Ripple 1Vpp 1kHz

dB Measure 2-Wire or TX

dB

16 Dial Pulse Distortion

td

(SHK High to Low Time)

0.4

1

ms 2-Wire loop at 1.2kΩ

† AC Electrical Characteristics are over recommended operating unless otherwise stated.

* Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.

2-90

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