DC2349A - Schematic

5
4
3
SCK
JP2
5
6
1nF
7
J2
8
C4
33
25
IFIP
27
26
IFIM
28
AIP
DNC
29
30
RFSW
SDO
LTC5586IUH
VCCN
LOM
VCM
LOP
RFB
VCC
GND
CSB
GND
9
0.3pF
SDI
U1
C5
C15
VCM
E4
260-0003
C45
B
L4
22nH
IND-0805
R1
19
R30
8
7
6
5
17 CSB
49.9
VCC
1
3
C
C8
1nF
1nF
LO INPUT
J3
C7
VCC
0.3pF
VSUPPLY
R24
DNI
1nF
E2
VSUPPLY
1 OHM
5.5V
E1
C43 1210
4.7uF
0805
C42
C26
DNI
R19
0
L11
0
GND
R11
49.9
R14
DNI
C27 DNI
L10
B
R17 DNI
L12 0
IND-0805
C32
R16
DNI
DNI
0
DNI
DNI
C30 DNI
C29
IFQP
J10
C31
R15
DNI
C28
R13 0
R12
49.9
0
IND-0805
IND-0805
R10 DNI
VCC
A0
DNI
IFQM
IND-0805
J11
WP
A1
SCL
A2
SDA
VSS
1
2
3
4
U3 24LC025
CUSTOMER NOTICE
A
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
1. ALL RESISTORS ARE IN OHMS, 0402
ALL CAPACITORS ARE IN MICROFARADS, 0402
2. INSTALL SHUNTS AS SHOWN.
TECHNOLOGY
A.K..
SUNNY H.
NOTE: UNLESS OTHERWISE SPECIFIED
4
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
WIDEBAND IQ DEMODULATOR
3
N/A
SCALE = NONE
2
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
SIZE
5
IN
SHDN
R31
4.99K 4.99K 4.99K
EEGND
BYP
18
C25
C14 3pF
R29
VOUT
E10
C16 3pF
C46 0.1uF
JP1
4
3pF
1nF
EEVCC
5
C41
0.01uF
C6
20
L9
L3
22nH
IND-0805
EXT
1
C40
1uF
0603
0.3pF
VSENSE
C13 3pF
3
1 OHM 2
21 SDO
IFQP
C44 1nF
TEMP
23 SCK
U2
LT1761IS5-3.3
VLOGIC 1.2V-3.3V
24
22 SDI
IFIP
J9
16
RFB
4
IFQM
C3
VCC
15
0.3pF
DNC
C2
3
SCK
AQP
J1
OVDD
DNI
IND-0805
INT
RFA
C24
R8
DNI
0
L8
R23
OVDD
GND
14
2
3
8
1
1nF
13
C1
RFA
L6 0
IND-0805
AIM
14
R9 DNI
C22 DNI
C21
D
DNI
DNI
DNI
49.9
E3
12
R6
DNI
R4
C11 3pF
DNC
E11
3pF
AQM
GND
C9
C39
1nF
0
IFIM
J8
C23
R7
DNI
C20
49.9 R5
C19 DNI
DNI
DNC
9
11
C
13
2
RFB 3
DNI
C18
1nF
1
RFA
10
C37
12
SDO
E5
OVDD
RFSW
11
GPIO1
5
SDO
E9
C38 DNI
ISO_GND
ISO_GND
ISO_GND
EE_GND
SDI
L2
22nH
IND-0805
32
EE_SCL
SCK
R2
L1
22nH
IND-0805
31
EE_SDA
4
7
40.2k
MIP
EE_VCC
TEMP
MIM
ISO_MISO
2
6 CSB
R3
DNI
R18
0
MQM
ISO_SDA_MOSI
C12 3pF
R20
MQP
ISO_CSb
ISO_SCK_SCL
SDI
C17
10
ISO_5V_3p3v_REG
E8
C36 DNI
1
IND-0805
IND-0805
GND
VCC
L7 0
0
L5
C10 3pF
D
2
E7
C35 DNI
HD-2X7.0.79
P1
1
CSB
E6
C33 DNI
ISO_7V_UNREG
2
DATE:
IC NO.
LTC5586IUH
REV.
3
DEMO CIRCUIT 2349
Wednesday, June 08, 2016
SHEET 1
1
OF 1
A
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