DC1670A - Schematic

5
4
3
2
1
REVISION HISTORY
VCC
ECO
REV
__
I+ OUT
VCTRL
1.0 V
E7
PT4
500 Ohm
C25
OPT
PRODUCTION
APPROVED
DATE
SUNNY H.
03-26-12
Q- OUT
J5
J6
D
R9
100
C23
OPT
PT5
500 Ohm
Q+ OUT
C24
OPT
J4
J3
VCTRL
D
l- OUT
DESCRIPTION
2
PT3
500 Ohm
PT2
500 Ohm
C29
1uF
R1
0
0805
PT1
500 Ohm
C1
OPT
R11
100
R13
100
R2
R3
0
0
0805 0805
C2
OPT
C3
OPT
C22
1uF
L2
L3
L4
0
0805
0
0805
0
0805
C7
OPT
C6
R6 OPT
OPT
R5
OPT
R8
OPT
R7
OPT
C26
OPT
R4
0
0805
C4
OPT
0
0805
C5
OPT
R14
100
C30
1uF
L1
OPTIONAL
LOW PASS
FILTER
GND
C21
1uF
OPTIONAL
LOW PASS
FILTER
C8
OPT
REF IP2I IP2Q DCOI DCOQ
C
C
E5
C10
0.1uF
C34
0.1uF
4
5
6
C18
0
RF
J1
T2
TC1-1-13M+
MINI-CIRCUITS
L6
5.6nH
6
C17
1.5pF
C19
OPT
C40
0.01uF
1
2
3
4
C36
OPT
19
VCAP
DCOI
LO-
U1
IP2I
LO+
RFRF+
7
B
CMI
DCOQ
EN
C35
0.1uF
CMQ
GND
GND
GND
C38
0.01uF
R10
0
C28
OPT
16
15
L5
3.9nH
T1
TC1-1-13M+
MINI-CIRCUITS
17
3
2
1
C27
OPT
4
C12
0
C13
2.2pF
6
R12
0
C39
0.01uF
R17
0
C15
0.01uF
C16
4.7uF
0805
VCC
R15
1 Ohm
R18
0
R16
OPT
EN
V SUPPLY
E11
C9
OPT
0603
A
E12
1. ALL RESISTORS ARE IN OHMS, 0402
ALL CAPACITORS ARE IN MICROFARADS, 0402
2. INSTALL SHUNTS AS SHOWN.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
NOTE: UNLESS OTHERWISE SPECIFIED
4
3
4.95V-5.45V
E13
E10
CUSTOMER NOTICE
EDC
E8
0805
C41
0.01uF
TECHNOLOGY
A.K..
SUNNY H.
TITLE: SCHEMATIC
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
B
EIP2
E9
C37
OPT
LO
J2
C14
OPT
14
13
25
EIP2
12
C11
0.1uF
18
12
11
21
3
20
10
-Q
9
EDC
2
LTC5584IUF
IP2Q
11
8
-I
7
+Q
1
C33
0.1uF
VCC
6
CAP
4
5
10
2
3
24
1
23
C31
0.1uF
22
C32
0.1uF
9
JP1
+I
E4
REF
E3
GND
E2
8
E1
E6
VCC SENSE
GND
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
30MHz to 1.4GHz IQ Demodulator
With IIP2 and DC Offset Control
LTC5584IUF
REV.
2
DEMO CIRCUIT 1670A
Tuesday, April 03, 2012
SHEET 1
1
OF 1
A
Similar pages