le79489 Zarlink Semiconductor, le79489 Datasheet - Page 15
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le79489
Manufacturer Part Number
le79489
Description
Subscriber Line Interface Circuit
Manufacturer
Zarlink Semiconductor
Datasheet
1.LE79489.pdf
(18 pages)
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TEST CIRCUITS (continued)
B(RING)
A(TIP)
BAT2
BAT1
2.2 nF
D
2.2 nF
1
C
HP
(optional)
R
C
TMG
VBAT12
DA
DB
A(TIP)
HPA
HPB
B(RING)
TESTOUT
RINGOUT
BGND
BSWTH
VBAT2
VBAT1
TMG
F. Le79489 Test Circuit
Zarlink Semiconductor Inc.
BSWOUT
BSWEN
AGND/
DGND
15
RDC
OVH
VCC
RSN
CAS
RFA
DET
VTX
RD
C4
C3
C2
C1
E1
R
DC1
R
C
R
D
CAS
+5 V
T
R
C
DC2
DC
(optional)
C
D
RFA
R
RX
V
V
BATTERY
GROUND
GROUND
GROUND
ANALOG
DIGITAL
TX
RX