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參數資料
| 型號： | MH88634BT-2 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Central Office Interface Circuit Advance Information |
| 中文描述： | 中央辦公廳信息接口電路進展 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 57K |
| 代理商： | MH88634BT-2 |
2-265
Features
Loop Start Trunk Interface
600
& 900
Input Impedance
2-4 Wire Conversion
Line state Detection Outputs:
- Forward Loop
- Reverse Loop
- Ringing Voltage
- Switch Hook
One Relay Driver
On-Hook Reception
Small footprint area
Meets FCC Part 68 Leakage Current
Requirements
Applications
Interface to Central Office for:
PABX
Key Telephone Systems
Channel Bank
Voice Mail
Terminal Equipment
Digital Loop Carrier
Optical Multiplexer
Description
The Mitel MH88634-2 Central Office Interface Circuit
trunk provides a complete analogue and signalling
link between audio switching equipment and a
telephone Line. The device is available in a single in
line package for high packing densities or with a lead
frame formed at 90
°
for low clearance applications.
The device is fabricated as a thick film hybrid
incorporating various technologies for optimum
circuit design and very high reliability.
This part supercedes the MH88634-2 and is pin for pin
compatible.
We advise that the B rev parts are fully tested.
However, we do not expect to see changes between
MH88634-2 and MH88634BV-2.
The component design has been changed to
improve the general performance of the part. It is
also now capable of operating at a 24V battery.
Figure 1 - Functional Block Diagram
Status
Detection
Receive
Gain
Transmit
Gain
2 - 4 Wire
Hybrid
Dummy
Ringer
Line
Termination
Loop Relay
Driver
Impedance
Matching
Network
Balance
XLA XLB XLC XLD
LRC
LRD
VRLY
RING
TIP
RV
VCC
RX
TX
VEE
AGND
FL
RL
SHK
DS5061
ISSUE 6
January 1999
Ordering Information
21 Pin SIL Package
MH88634BT-2
21 Pin 90
°
L/F Package
MH88634BV-4
21 Pin SIL Package
MH88634BV-2
0
°
C to 70
°
C
MH88634B
Central Office Interface Circuit
Advance Information
相關PDF資料 |
PDF描述 |
|---|---|
| MH88634BV-4 | Central Office Interface Circuit Advance Information |
| MH88634B | Central Office Interface Circuit(用于中央辦公電話線的接口電路（在音頻轉換設備和用戶線之間提供一個模擬和信號連接）) |
| MH88634CV-K | Central Office Interface Circuit(用于中央辦公電話線的接口電路（在音頻轉換設備和用戶線之間提供一個模擬和信號連接）) |
| MH88634K | Central Office Interface Circuit Preliminary Information |
| MH89101 | Passive Line Termination Circuit Advance Information |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MH88634BV-2 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634BV-4 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Advance Information |
| MH88634CV-K | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Central Office Interface Circuit |
| MH88634K | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Central Office Interface Circuit Preliminary Information |
| MH89101 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Passive Line Termination Circuit Advance Information |
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