DC709A - Schematic

3
4
5
TP1
U1
LTC1799CS5
1
A
JP3
2
TP4
INT
VBATT
3
TP22
DVCC
15
1
2
3
4
5
6
7
8
9
TP5
TP6
VCCb
1
VCCa
VCCb
QA
QB
QC
QD
QE
QF
QG
QH
GND
Q'H
2
VCC
GND
EXT
INT
DVCC
16
DIV
2
INT
3
G
SCLR
2
4
TP3
EXT DVCC
C8
0.1uF
10V
JP2
EXT
VBATT
13
10
EXT
4
SCK
RCK
SET
C2
0.1uF
10V
JP1
VCCa
B
11
12
GND
R1
10K
1%
U2
SN74HC595
SER
OUT
3
2
3
14
V+
TP21
EXT VBATT
2.7-5.5V
5
1
C1
0.1uF
10V
A
1
TP2
EXT CLK
1
2
3
1
GND
17
B
TP7
CLKb
TP8
CLKa
5
CLKa
CLKb
16
6
RSTa
RSTb
15
7
I/Oa
I/Ob
14
ENABLE
13
TP9
R2
11.5K
1%
I/Oa
DATA
U3
LTC4557EUD
M0
ENABLE
TP16
CLKin
TP17
HD2X7
M1
R4
5.1K
5%
TP18
M0
U5
24LC025
R5
5.1K
5%
D
TP19
TP20
R6
5.1K
5%
1
1
A0
SDA
5
2
A1
Vcc
8
3
C7
0.1uF
10V
A2
6
SCLK
7
WP
Vss
4
TP28
C5
1.0uF
6.3V
TP27
DATA
J2
C702-10M008-1214
RSTin
1
2
3
4
S
1
5
6
7
8
S
TP26
TP25
CLKin
TP24
M1
M0
ENABLE
Customer Notice
NOTES: UNLESS OTHERWISE SPECIFIED
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
2
3
D
J3
C702-10M008-1214
1
2
3
4
S
5
6
7
8
S
CARD B
LINEAR TECHNOLOGY CORPORATION
Linear Technology Has Made A Best Effort To Design A
Circuit That Meets Customer-Supplied Specifications;
However, It Remains The Customer's Responsibility To
Verify Proper And Reliable Operation In The Actual
Application. Component Substitution And Printed
Circuit Board Layout May Significantly Affect Circuit
Performance Or Reliability. Contact Linear Technology
Applications Engineering For Assistance.
This Circuit Is Proprietary To Linear Technology And
Supplied For Use With Linear Technology Parts.
E
C6
1.0uF
6.3V
TP23
CARD A
1
C
12
RSTin
M1
R3
2.2K
1%
I/Ob
TP14
11
TP15
CLKin
2
4
6
8
10
12
14
+
+
+
+
+
+
+
8
10
+
+
+
+
+
+
+
2
TP12
TP13
RSTin
1
3
5
7
9
11
13
U4
LT1711CMS8
RSTb
TP11
DATA
5
4
J1
3
+
7
C
-
8
TP10
RSTa
9
C4
0.1uF
10V
6
1
C3
0.1uF
10V
4
1630 McCarthy Blvd.
Milpitas, CA. 95035
Phone : (408) 954-8400 Fax : (408) 434-0507
Title
E
Dual SIM Card Power Supply and Interface
Size
Document Number
Custom
DC709A
Date:
Friday, October 01, 2004
Rev
LTC4557EUD
Sheet
1
5
of
1
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