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參數資料
| 型號： | MH89728 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | MT8972 Loop Extender Circuits Advance Information |
| 中文描述： | MT8972循環擴展電路進展信息 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 119K |
| 代理商： | MH89728 |
9-127
Features
Operates from single or dual power supply
MH89726 extends transmission performance
for the MT8972 (DNIC) at 160kbit/s line rate
MH89728 extends transmission performance
for the MT8972 (DNIC) at 80kbit/s line rate
MH89726 and MH89728 are pin for pin
compatible with each other
Compact SIL package
Over 6km loop range on 24 AWG
Applications
Digital subscriber lines
Digital PABX line cards and telephone sets
High speed, limited distance modem
ISDN U - Interface
Description
The MH89728 and MH89726 are thick film hybrid
devices which may be used to extend the operating
range of the MT8972 (DNIC). The hybrids combine
signal equalization and amplification for the receive
and transmit paths on each device.
The small size of these hybrids makes them suitable
for line card or terminal use with the MT8972. The
gain of the transmit signal may be adjusted through
the use of an external resistor.
Figure 1 - Functional Block Diagram
TX
IN
RX
OUT
V
Bias
TEST
V+
V-
RX
IN
-
RX
IN
+
TX
OUT
TX
GAIN
Pre-
Equalizer
Phase
Compensator
Pre-
Canceller
RX
Amplifier
TX
Amplifier
Ordering Information
MH89726/728 10 Pin SIL Package
0°C to 70°C
ISSUE 2
November 1990
MH89726/728
MT8972 Loop Extender Circuits
Advance Information
相關PDF資料 |
PDF描述 |
|---|---|
| MH89760B | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89760BN | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89760BS | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89761 | T1 Transmit Equalizer Advance Information |
| MH89770N | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MH89760 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MH89760B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY T1/ESF Framer & Interface Preliminary Information |
| MH89760BN | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY T1/ESF Framer & Interface Preliminary Information |
| MH89760BS | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY T1/ESF Framer & Interface Preliminary Information |
| MH89761 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1 Transmit Equalizer Advance Information |
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