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參數(shù)資料
| 型號(hào)： | MT9075B |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | E1 Single Chip Transceiver(E1單片收發(fā)器) |
| 中文描述： | 素E1單芯片收發(fā)器（素E1單片收發(fā)器） |
| 文件頁(yè)數(shù)： | 9/82頁(yè) |
| 文件大?。?/td> | 275K |
| 代理商： | MT9075B |
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Preliminary Information
MT9075B
9
Figure 4 - Analog Line Interface
The template for the transmitted pulse, as specified in
G703, is shown in Figure 5. The nominal peak voltage
of a mark is 3 volts for 120
twisted pair applications
and 2.37 volts for 75
coax applications. The ratio of
the amplitude of the transmit pulses generated by TTP
and TRING is between 0.95 and 1.05.
Figure 5 - Pulse Template (G.703)
Transformer Recommendation
Table 1 shows a list of recommended transformers
for the MT9075B line interface.
Table 1 - Transformer Manufacturers and Part
Numbers
Timing Source
The MT9075B can use either a clock or crystal,
connecting to pins OSC1 and OSC2, as the
reference timing source.
Figure 6 shows a 20MHz clock oscillator, with 50ppm
tolerance, directly connected to the OSC1 pin of the
MT9075B.
Figure 6 - Clock Oscillator Circuit
Alternatively, a crystal oscillator may be used. A
complete oscillator circuit made up of a crystal,
resistors and capacitors is shown in Figure 7. The
crystal specification is as follows.
Frequency:
Tolerance:
Oscillation Mode:
Resonance Mode:
Load Capacitance:
Maximum Series Resistance:
Approximate Drive Level:
20MHz
50ppm
Fundamental
Parallel
32pF
35
1mW
TTIP
TRING
RTIP
RRING
1:2
1:1
R
T
0.68uF
R
T
120
/
75
MT9075B
Tx
Rx
269nS
244nS
194nS
219nS
488nS
Nominal Pulse
120
110
100
90
80
50
10
0
-10
-20
Percentage of
Nominal Peak
Manufacturer
For Tx
For Rx
Filtran
5721-1
5721-2
Pulse Engineering
PE-65351
PE-64934
Midcom
50027
50026
OSEC
02934/A
02935/A
MT9075B
OSC1
OSC2
(
open
)
20MHz
OUT
Vdd
GND
+
5V
.1
μ
F
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT9075 | E1 Single Chip Transceiver |
| MT9075A | E1 Single Chip Transceiver |
| MT9075AL | E1 Single Chip Transceiver |
| MT9075AP | E1 Single Chip Transceiver |
| MT9075BL | E1 Single Chip Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT9075B-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:E1 Single Chip Transceiver |
| MT9075BL | 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 100MQFP - Trays |
| MT9075BL1 | 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 100MQFP - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX SGL E1 W/LIU 100MQFP 制造商:Microsemi Corporation 功能描述:IC TXRX SGL E1 W/LIU 100MQFP |
| MT9075BP | 制造商:Microsemi Corporation 功能描述: |
| MT9075BP1 | 制造商:Microsemi Corporation 功能描述:Single Chip Transceiver 1TX 1RX 2.048Mbps 68-Pin PLCC Tube 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 68PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE E1 SINGLE CHIP TRANSCEIVER 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX SGL E1 W/LIU 68PLCC 制造商:Microsemi Corporation 功能描述:IC TXRX SGL E1 W/LIU 68PLCC |
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