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參數(shù)資料
| 型號(hào)： | MH88600 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Global SLIC Preliminary Information |
| 中文描述： | 全球用戶接口的初步信息 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 122K |
| 代理商： | MH88600 |
2-90
MH88600
Preliminary Information
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.
AC Electrical Characteristics
-
Voltages are with respect to GNDA unless otherwise stated.
Characteristics
Sym
Min.
Typ
*
Max
Units
Test Conditions
1
Ringer Voltage
VR
105
V
rms
See Fig 6
2
Ringer Equivalence No.
REN
5
3
Ring Trip Detect Time
200
ms
4
Input Impedance at PG4
at VRX
Z
RX
112
RRX
k
See Fig 5
See Fig 4
5
Output Impedance at TX
Z
TX
A TX
3
6
Gain 2-Wire to TX: Fixed Gain
Programmable Range
Frequency Response Gain
relative to Gain @ 1kHz
300Hz
600Hz and 2400Hz
3000Hz
3400Hz
+3.5
+4
+4.5
dB
Input 1.0V at 1kHz See Fig 5
RTX
-12
+6
dB
See Figure 4
A
R
TX
-0.75
-0.1
-0.3
-0.75
0.1
0.1
0.1
0.1
dB
dB
dB
dB
Input 1.0V
600
2-Wire Impedance
7
Gain RX to 2-Wire: Fixed Gain
Programmable Range
Frequency Response Gain
relative to Gain @ 1kHz
300Hz
600Hz and 2400Hz
3000Hz
3400Hz
ARX
-4.5
-4
-3.5
dB
Input 1.0V at 1kHz See Fig 5
RRX
-12
+6
dB
See Figure 4
A
R
RX
-0.75
-0.1
-0.3
-0.75
0.1
0.1
0.1
0.1
dB
dB
dB
dB
Input 1.0V
600
2-Wire Impedance
8
2-Wire Return Loss
RL
20
18
26
dB
dB
Input 1.0V, 200Hz to 3.4kHz
Input 1.0V, 3.4kHz to 4kHz
9
2-Wire Input Impedance
Z
IN
THL
See Table 1
10
Transhybrid Loss
20
40
dB
Input 1.0V at 300Hz to
3400Hz at PG4
11
Longitudinal Balance
52
41
dB
dB
40 - 3400Hz
3400-4000Hz
12
Total Harmonic Distortion
at TX
at 2-Wire
THD
0.1
0.1
1.0
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
(0dB gain)
Idle Channel Noise at 2-Wire
(0dB gain)
Nc
Np
Nc
Np
13
-78
11
-80
18
-73
16
-75
dBrnC
dBrnp
dBrnC
dBrnp
15
Power Supply Reject Ratio V
DD
V
EE
V
BAT
PSRR
25
20
30
dB
dB
dB
Ripple 1Vpp 1kHz
Measure 2-Wire or TX
16
Dial Pulse Distortion
(SHK High to Low Time)
t
d
0.4
1
ms
2-Wire loop at 1.2k
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