參數(shù)資料
型號(hào)： MT9043
廠商： Mitel Networks Corporation
英文描述： T1/E1 System Synchronizer(T1/E1 系統(tǒng)同步裝置（由一個(gè)數(shù)字鎖相環(huán)組成）)
中文描述： T1/E1的系統(tǒng)同步（T1/E1的系統(tǒng)同步裝置（由一個(gè)數(shù)字鎖相環(huán)組成））
文件頁(yè)數(shù)： 11/24頁(yè)
文件大小： 100K
代理商： MT9043
Advance Information
MT9043
11
MT9043 and Network Specifications
The
requirements (intrinsic jitter, jitter/wander tolerance,
jitter/wander transfer, frequency accuracy, capture
range,
phase
change
slope
reference
rearrangement)
specifications.
MT9043
fully
meets
all
applicable
PLL
and
for
MTIE
the
during
following
1. Bellcore GR-1244-CORE June 1995 for, Stratum 4
Enhanced and Stratum 4
2.
AT&T
TR62411
(DS1)
Stratum 4 Enhanced and Stratum 4
3. ANSI T1.101 (DS1) February 1994 for
Stratum 4 Enhanced and Stratum 4
4. ETSI 300 011 (E1) April 1992 for
Single Access and Multi Access
5. TBR 4 November 1995
6. TBR 12 December 1993
7. TBR 13 January 1996
8. ITU-T I.431 March 1993
December
1990
for,
erun Mode, the frequency tolerance at the clock
outputs is identical to the frequency tolerance of the
source at the OSCi pin. For applications not
requiring an accurate Freerun Mode, tolerance of the
master
timing
source
may
applications requiring an accurate Freerun Mode,
such as AT&T TR62411, the tolerance of the master
timing source must be no greater than
±
32ppm.
be
±
100ppm.
For
Applications
This section contains MT9043 application specific
details
for
clock
and
operation, power supply de coupling, and control
operation.
crystal
operation,
reset
Master Clock
The MT9043 can use either a clock or crystal as the
master timing source.
In Freerun Mode, the frequency tolerance at the
clock outputs is identical to the frequency tolerance
of the source at the OSCi pin. For applications not
requiring an accurate Freerun Mode, tolerance of the
master
timing
source
may
applications requiring an accurate Freerun Mode,
such as AT&T TR62411, the tolerance of the master
timing source must be no greater than
±
32ppm.
be
±
100ppm.
For
Another consideration in determining the accuracy of
the master timing source is the desired capture
range. The sum of the accuracy of the master timing
source and the capture range of the MT9043 will
always equal 230ppm. For example, if the master
timing source is 100ppm, then the capture range will
be 130ppm.
Clock Oscillator
- when selecting a Clock Oscillator,
numerous parameters must be considered. This
includes absolute frequency, frequency change over
temperature, output rise and fall times, output levels
and duty cycle.
Figure 8 - Clock Oscillator Circuit
For applications requiring
±
32ppm clock accuracy,
the following clock oscillator module may be used.
FOX F7C-2E3-20.0MHz
Frequency:
Tolerance:
20MHz
25ppm 0C to 70C
+3.3V
20MHz OUT
GND
0.1uF
+3.3V
OSCo
MT9043
OSCi
No Connection
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MT9044 T1/E1/OC3 System Synchronizer(T1/E1/OC3 系統(tǒng)同步裝置（由一個(gè)數(shù)字鎖相環(huán)組成）)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT9043AN 制造商:Microsemi Corporation 功能描述:
MT9043AN1 制造商:Microsemi Corporation 功能描述:PB FREE T1/E1 SYSTEM SYNCHRONIZER 制造商:Microsemi Corporation 功能描述:FRAMER E1/T1 3.3V 48SSOP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SYNCHRONIZER T1/E1 48SSOP 制造商:Microsemi Corporation 功能描述:IC SYNCHRONIZER T1/E1 48SSOP
MT9043AN48PINSSOP 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 System Synchronizer
MT9043ANR1 制造商:Microsemi Corporation 功能描述:FRAMER E1 /T1 3.3V 48SSOP - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SYNCHRONIZER T1/E1 48SSOP 制造商:Microsemi Corporation 功能描述:IC SYNCHRONIZER T1/E1 48SSOP
MT9044 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/E1/OC3 System Synchronizer
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