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參數(shù)資料
| 型號(hào)： | MH89761 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | T1 Transmit Equalizer Advance Information |
| 中文描述： | T1信息發(fā)送均衡進(jìn)展 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 273K |
| 代理商： | MH89761 |
4-93
Features
Compatible with the MH89760B
Transmit equalizer and 6dB loop around circuit
6dB pad for easier loopback testing
Programmable for varying degrees of
equalization
Description
The MH89761 is a programmable transmit equalizer
for use with a T1 line interface, specifically the
MH89760B. The MH89761 contains a three setting
transmit equalizer, and a 6 dB pad for external loop
around. The input and output impedance of the
circuit is 100
. The device is fabricated in thick film
hybrid technology and is 2 inches high by 0.5 inches
wide. The MH89761 is designed to drive 22 gauge
twisted pair from the multiplex equipment to the
crossconnect point. Figure 1 shows how the
MH89761 is connected to the transmit side of a T1
interface.
Figure 1 - Connection Diagram
MH89761
TR1
MH89760B
OUTA
OUTB
RxT
RxR
+12V
L2
C2
TR2
1:
1:
1:
:0.5
R1
L1
C1
S1
S2
S3
S4
S5
S6
S7
EIT
EIR
EA
EB
EC
SW
RCLT
RCHT
RCLR
RCHR
Ti
Ri
TxT
TxR
TL
RL
R1 = 150
C1 = .01
μ
F
C2 = .47
μ
F
L1 = 33
μ
H
L2 = 33
μ
H
1:
1:
Ordering Information -40
°
C to 85
°
C
MH89761
20 Pin SIP Hybrid
TL
TL
TI
Ri
RL
RL
TxT
EIT
EA
L1
EB
EC
L2
RCHT
RCLT
TxR
EIR
SW
RCHR
RCLR
Pin Connections
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ISSUE 4
May 1995
MH89761
T1 Transmit Equalizer
Advance Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH89770N | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89770 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89770S | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89790B | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89790BN | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH89770 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/ESF Framer & Interface Preliminary Information |
| MH89770N | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/ESF Framer & Interface Preliminary Information |
| MH89770S | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/ESF Framer & Interface Preliminary Information |
| MH89790B | 制造商:MITEL 功能描述: 制造商:ZARLNK 功能描述: |
| MH89790BN | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY CEPT PCM 30/CRC-4 Framer & Interface Preliminary Information |
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