MH89760BS Ver la hoja de datos (PDF) - Mitel Networks
Número de pieza
componentes Descripción
Fabricante
MH89760BS Datasheet PDF : 38 Pages
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MH89760B
Preliminary Information
From other
interfaces
To other
interfaces
16.384
MHz Osc.
C8Kb C2o
MT8941
C4b C2o F0b F0i CVb
12.352
MHz Osc.
To other T1 Interfaces
T1 TRANSMIT
MT8980
STi2 C4i
F0i
STo3
STo0
STo7
STo1
STi0
STi7 STo2
STi1
VDD
µP
INT0
INT1
VDD
MT8926
E8Ko
CSTo
DSTi0
DSTi1
IRQ
1SEC
FDLi
RxA
RxB
EClk
F0i
C2i
CSTi1
E8Ki
CSTi0
FDLo
DSTo
MT8952
DQ
DQ
CDSTo
Q C2
Q
}To other
Interfaces
MH89760B
RxA
C1.5i
RxB
E1.5o
OUTA +12V
F0i
L2
C2i
CSTi1
C2
E8Ko
CSTo
TxFDL
DSTi
OUTB
RxT
CSTi0
DSTo
RxFDLClk
RxFDL
TxFDLClk RxR
XSt LOS
TR1
1:
:0.5 L1
1:
C1
TR2
1:
:1
1:
MH89761
EIT
EIR TxT
EA
EB
TxR
EC
SW
RCLT
RCHT
RCLR
RCHR TL
Ti
Ri
RL
T1 RECEIVE
TxCEN
C2
RxCEN
CDSTi
CKi C2
LOS
R1=150Ω, 1%, 1/4w
R2 = 4.7KΩ
R3 =4.7KΩ
C1 = 0.01µF, 5% 250V
C2 = 0.47µF, 5% 100V
L1 = 33µH, 130mA
L2 = 33µH, 165mA
TR1 & TR2 see Figures 6 & 11
Figure 10 - Typical ESF Configuration
Line Side
1O •
MH89760B
•
O3
•
O6
O4
8O
O5
MH89760B
1O •
Line Side
• O4
5O
2O
•
6O
O8
Parameter
Line Impedance
Inductance
Turns Ratio
Isolation
Input Transformer
100
(1-8) >2.2
(1-8):(3-6) 1:1
(1-8):(4-5) 1:1
1500
Output Transformer
100
(4-8) 0.46
(1-5):(4-8) 1.89:1
(2-6):(4-8) 1.89:1
1500
Units
Ω
mH
V(rms)
Figure 11 - Typical Parameters of the Input and Output Transformers
4-72
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