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