參數(shù)資料
型號(hào)： MT9041B
廠商： Mitel Networks Corporation
英文描述： T1/E1 System Synchronizer
中文描述： T1/E1的系統(tǒng)同步
文件頁(yè)數(shù)： 9/19頁(yè)
文件大小： 72K
代理商： MT9041B
Advance Information
MT9041B
9
Multiple E1 Reference Sources with MT9041B
In this example 8 E1 link framers (MT9074) are
connected to a common system backplane clock
using the MT9041B. Each of the extracted clocks
E1.5o go to a mux which selects one of the eight
input clocks as the reference to the MT9041B. The
clock choice is made by a controller using the loss of
signal pin LOS from the MT9074s to qualify potential
references. In the event of loss of signal by one of
the framers, an interrupt signals the controller to
choose a different reference clock. Disturbances in
the generated system backplane clocks C4b and F0b
are minimized by the phase slope limitations of the
MT9041B PLL. This ensures system integrity and
minimizes the effect of clock switchover on
downstream trunks.
Figure 9 - Multiple E1 Reference Sources with MT9041B
1k
10nF
MT9041B
F0o
C4o
FS1
FS2
MS
OSCi
Out
20MHz
±
32ppm
RST
10k
MT9074
F0i
C4b
TTIP
TRING
RTIP
RRING
LOS
E1.5o
CLOCK
+ 5V
+ 5V
L
MT9074
F0i
C4b
TTIP
TRING
RTIP
RRING
LOS
E1.5o
L
REF
OUT
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
1 TO 8
MUX
20MHz
To Controller
Interrupt
To Controller
Interrupt
相關(guān)PDF資料
PDF描述
MT9041BP T1/E1 System Synchronizer
MT9041 Multiple Output Trunk PLL
MT9041AP IC REG LDO 150MA 5.0V 0.5% 8SOIC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT9041BP 制造商:Microsemi Corporation 功能描述: 制造商:Zarlink Semiconductor Inc 功能描述:PCM, OTHER/SPECIAL/MISCELLANEOUS, 28 Pin, Plastic, PLCC
MT9041BP1 制造商:Microsemi Corporation 功能描述:FRAMER E1 /T1 5V 28PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE MULTIPLE OUTPUT TRUNK PLL 制造商:Zarlink Semiconductor Inc 功能描述:FRAMER E1 /T1 5V 28PLCC - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE MULTIPLE OUTPUT TRUNK PLL
MT9041BPR 制造商:Microsemi Corporation 功能描述:SPECIALTY TELECOM CIRCUIT, 28 Pin Plastic PLCC
MT9041BPR1 制造商:Microsemi Corporation 功能描述:FRAMER E1 /T1 5V 28PLCC - Tape and Reel 制造商:Zarlink Semiconductor Inc 功能描述:FRAMER E1 /T1 5V 28PLCC - Tape and Reel
MT9042 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Global Digital Trunk Synchronizer
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