MH88612C 查看數據表（PDF） - Mitel Networks
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MH88612C Datasheet PDF : 8 Pages
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MH88612C
Preliminary Information
Applications
Component List
R1
= 1/4 W, + 10% 200Ω
R2,
= 1/4W, ±5%, 470KΩ
C1
= Cap. Elec., 1.0µF, + 10%, 25V
D1,D2
= Diode Rect., 200V, 1A, IN4003
K1
= Relay E/M, 5 or 6V, 1 form C
Decoupling capacitors (Cap. Cer 0.1µF, 50% + 20%) should be added to VDD, VEE, VBat, VRef
and VRLY.
Options RV1, RV2= 160 Vrms, 250V 10J
90 VRMS
R1
SUPERIMPOSED
K1
ON -48VDC
VBat
11
RF
D4
15
RV
D1
D2
1 TF
D3
MH88612C
3
VR
8
VX
RV1
RV2
+5V
K1
VBat
TIP
9
4
VRef
20
SHK
RING
10
RC
13
VRLY
16
14 RD
7
GS
C1
19
CAP
-+
VBat VDD VEE GNDA
18 12
5
6
Ring Trip
Filter
R2 Control
-48V +5V -5V
Figure 3 - Application Circuit
2-116
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