DC1524A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
DESCRIPTION
3
PRODUCTION
APPROVED
DATE
SUNNY H.
07-16-10
VCC
VCC
D
3.15V - 3.45V
E2
D
GND
BBMI
VCC
E3
J9
VCC
R4
GND
OPT
E4
BBPI
J8
50 Ohm
50 Ohm
R6
R1
OPT
1
0603
R11
OPT
C12
OPT
R10
OPT
EN
C11
OPT
J7
VCC
OPT
TP1
E6
C3
1nF
C1
4.7uF
0603
C5
OPT
0603
R2
1.3
0603
20
GNDRF
21
23
19
GND
BBMI
BBPI
GNDRF
13
NC
RFOUT
J6
C8
0.2pF
26
GND
GNDRF
25
8
J2
C7
6.8pF
14
GNDRF
GND
U1 *
LOM
50 Ohm
50 Ohm
15
NC
GND
NC
LINOPT
GND
3
C14
1nF
17
16
RF
LOM
5
6
7
C
18
VCC2
LOP
12
4
E7
C2
4.7uF
0603
C4
1nF
GNDRF
BBPQ
50 Ohm
GND
11
3
BP
50 Ohm
GND
24
VCC1
EN
2
BBMQ
4
1
9
0 Ohm
E1
BP
GND
GND
2
1
UNBP
NC
6
5
EN
U2
BD1631J50100A
R3
OPT
R5
10
J1
22
TP2
LOP
C
C6
OPT
0603
EN
J5
OPT
B
B
R12
OPT
C9
OPT
LINOPT
E5
R14
1
C13
R13
OPT
100nF
R7
OPT
R8
OPT
50 Ohm
R9
OPT
C10
OPT
50 Ohm
J3
J4
BBMQ
BBPQ
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE IN MICROFARADS, 0402
CUSTOMER NOTICE
A
*
ASSY
U1
DC1524A-A
LTC5588IPF-1
DC1524A-B
LTC5588IPF-2
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.
5
4
3
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
A.K.
SUNNY H.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
HIGH LINEARITY DIRECT QUADRATURE MODULATOR
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC5588IPF
REV.
3
DEMO CIRCUIT 1524A
Thursday, September 02, 2010
SHEET 1
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OF 1
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