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參數(shù)資料
| 型號(hào)： | MT88E43B |
| 廠(chǎng)商： | Mitel Networks Corporation |
| 英文描述： | Extended Voltage Calling Number Identification Circuit (ECNIC)(擴(kuò)展電壓主叫識(shí)別電路（接收傳送的物理層信號(hào)）) |
| 中文描述： | 擴(kuò)展電壓主叫號(hào)碼識(shí)別電路（ECNIC）（擴(kuò)展電壓主叫識(shí)別電路（接收傳送的物理層信號(hào)）） |
| 文件頁(yè)數(shù)： | 12/27頁(yè) |
| 文件大?。?/td> | 180K |
| 代理商： | MT88E43B |
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MT88E43B
Preliminary Information
64
A
pprovals
FCC Part 68, DOC CS-03, UL 1459, and CAN/
CSA-22.2 No. 225-M90 are all system (i.e.
connectors,
power
supply,
requirements. Since the MT88E43B is a component
and not a system, the application circuit (Figure 11)
has been designed to meet the CO Trunk interface
requirements of FCC, DOC, UL, and CSA; thus
enabling the complete system to be approved by
these standards bodies.
cabinet,
etc.)
Products are designed in accordance with meeting
the above requirements; however, full conformance
to these standards is dependent upon the application
in which the MT88E43B is being used, and therefore,
approvals are the responsibility of the customer and
Mitel will not have tested the product to meet the
above standards.
Figure 11 - Application Circuit with Improved Common Mode Noise Immunity and Isolation in Line
Interface
IN+
IN-
GS
V
Ref
CAP
TRIGin
TRIGRC
TRIGout
MODE
OSCin
OSCout
V
SS
V
DD
St/GT
ESt
StD
INT
DR
DATA
DCLK
FSKen
PWDN
IC
MT88E43B
CD
(FSK Interface Mode 0 selected)
Vdd
= To microcontroller
= From microcontroller
1
TIP / A
RING / B
Vdd
Vdd
5
6
464K
12K1
5%
464K
5%
200K
5%
150K
5%
330nF
10%
100nF
10%
22nF
5%
22nF
5%
1
2
Vdd
100K
20%
Vdd
10nF
Vdd
NOTE: Resistors must have 1% tolerance, capacitors have 20%
tolerance unless specified otherwise.
: Bridge rectifier diodes are 1N914.
: For BT application C=0.1
μ
F
±
5%, R
3
=422k
±
1%, R
2
=422k
±
1%
:
For applications where CAS speech immunity is required (e.g. CIDCW)
C=0.1
μ
F
±
5%, R
3
=825k
±
1%, R
2
=226k
±
1%
Motorola
4N25
1N4003
1N4003
1N4003
1N4003
1N914
1N5231B
C
R
3
R
2
R
1
R
1
: R
1
= 430K, R
4
= 34K for V
DD
= 5V
±
10% (See Figure 10)
: R
1
= 620K, R
4
= 63K4 for V
DD
= 3V
±
10% (See Figure 10)
R
4
R
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88E43BE | 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43BS | 制造商:Microsemi Corporation 功能描述: |
| MT88E43BS1 | 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V/5V 24SOIC - Rail/Tube 制造商:Microsemi Corporation 功能描述:CALLING NUMBER ID CIRCUIT 2 |
| MT88E43BSR | 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Extended Voltage Calling Number Identification Circuit 2 |
| MT88E43BSR1 | 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V/5V 24SOIC - Tape and Reel 制造商:Microsemi Corporation 功能描述:PB FREE CALLING NUMBER ID CIRCUIT 2 |
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