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參數(shù)資料
| 型號(hào)： | MH88628 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Central Office SLIC(用于中央辦公線(xiàn)卡的用戶(hù)線(xiàn)接口電路) |
| 中文描述： | 中央辦公室用戶(hù)接口（用于中央辦公線(xiàn)卡的用戶(hù)線(xiàn)接口電路） |
| 文件頁(yè)數(shù)： | 10/17頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | MH88628 |
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2-210
MH88628
Preliminary Information
21
20
19
33
21
20
19
33
VDD
MH88628
MH88628
NATT
NS
NATT
NS
N1
N2
N1
N2
Network balance is set to the input
Impedance (Z
in
)
Network balance is set to the AT&T compromise
network (350
+ 1000
// 210nF)
impedance. The input impedance must be
set to 600W.
Note: Make connection between Z1 and other points as short as possible
21
20
19
33
MH88628
NATT
NS
N1
N2
Notes:
1) The 10xZ
in
network must be set to 10 x the desired input impedance (Z
in
).
2) The network balance must be set to the desired network balance. See
section on network balance.
3) Make connection between Z1 and component as short as possible.
ZNETBAL = 0.1 x
1/RP + (S x CP)
where S = j x w
and w = 2 x
Π
x f
Example
:
If RS = 2200
RP = 8200
,
CP= 11.5nf
Then the network balance impedance
(ZNETBAL) is 220
in series with 820
in parallel with 115nF
.
VDD
RP
N2
N1
CP
RS
10 x Z
in
10 x
NETBAL
10 x Z
in
[
]
RS +
1
Figure 6 - Network Balance Setting with NETBAL equal to Z
in
or AT&T
Figure 7 - Network Balance Setting with NETBAL not equal to Z
in
or AT&T
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH88631-2 | Central Office Interface (LS/GS) Preliminary Information |
| MH88631 | Central Office Interface (LS/GS) Preliminary Information |
| MH88631-1 | Central Office Interface (LS/GS) Preliminary Information |
| MH88632B | Central Office Interface Circuit(用于中央辦公電話(huà)線(xiàn)的接口電路（在音頻轉(zhuǎn)換設(shè)備和用戶(hù)線(xiàn)之間提供一個(gè)模擬和信號(hào)連接）) |
| MH88632B | Central Office Interface Circuit Preliminary Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88630 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface (LS/GS) Preliminary Information |
| MH88631 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface (LS/GS) Preliminary Information |
| MH88631-1 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface (LS/GS) Preliminary Information |
| MH88631-2 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface (LS/GS) Preliminary Information |
| MH88632 | 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Central Office Interface Circuit Preliminary Information |
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