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參數(shù)資料
| 型號(hào)： | MH88634BV-2 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | SWITCH PB DPDT MINI RTANG ALTACT |
| 中文描述： | 中央辦公廳信息接口電路進(jìn)展 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 57K |
| 代理商： | MH88634BV-2 |
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MH88634B
Advance Information
2-272
Electrical Characteristics are over recommended operating conditions unless otherwise stated.
Typical figures are at 25
°
C with nominal 5V supplies and are for design aid only.
AC Electrical Characteristics
Characteristics
Symbol
Min
Typ
Max
Units
Test Conditions
1
2-wire Input Impedance
Zin
600
900
-2 Variant
-4 Variant
2
Return Loss at 2-wire
RL
20
29
dB
Test Circuit as Fig 6
200-3400 Hz
Test Circuit as Fig 7
200Hz
1000Hz
3400Hz
200-3400Hz
Test Circuit as Fig 4
1000Hz
200-3400Hz
Test Circuit as Fig 5
1000Hz
200-3400Hz
3
Longitudinal to Metallic
Balance
58
55
53
20
60
60
58
27
dB
dB
dB
dB
4
5
Transhybrid Loss
Gain, 2 wire to TX
THL
Relative Gain
Gain, Rx to 2 wire
-0.25
-0.3
0
0
0.25
0.3
dB
dB
6
Relative Gain
Input impedance at RX
Output impedance at TX
Signal Overload Level
at 2-wire
at TX
Total Harmonic Distortion
at 2-wire
-2.25
-0.3
-2
0
10
5
-1.75
0.3
dB
dB
k
7
8
9
4.0
1.7
dBm
dBm
% THD < 5% @ 20mA
10
at TX
THD
1.0
1.0
%
%
Input 0.5V, 1kHz @
RX
Input 0.5V, 1kHz @
Tip-Ring
11
Idle Channel Noise
at 2-Wire
at TX
Power Supply Rejection Ratio
at 2-wire and TX
V
CC
V
EE
On-Hook Gain, 2-Wire to TX
Relative to Off-Hook Gain
Met. to Long. Balance
NC
15
15
16.5
16.5
dBrnC
dBrnC
12
PSRR
25
25
-1
48
47
0
dB
dB
dB
Ripple 0.1V, 1kHz
13
1
Input 1000Hz @ 0.5V
14
-2 Variant
-4 Variant
60
40
55
40
48
62
48
62
48
55
Test Circuit as Fig. 8
200-1000Hz
1000-3400Hz
200-1000Hz
1000-3400Hz
Test Circuit as Fig. 7
1000Hz, FL = 0V,
I
Loop
= 25mA
15
Common Mode Rejection
Ratio
CMRR
dB
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