DC991A - Schematic

5
4
3
2
1
LOin
760MHz
J1
C3
100pF
D
D
C7
Optional
L5
12nH
C5
100pF
U1
R2
Optional
1
LO-
LT5560EDD
LO+
VCC
8
C4
1.0pF
EN
6
C
5
L1
0 Ohm
4
VCC
3
IN+
OUT+
6
C1
2.2pF
T1
Balun,1:1
HHM1522B1
IN-
OUT-
900MHz
C8
1uF
L3
220nH
3
IFout
4
2
5
J3
1
3
140MHz
6
T2
ETC4-1-2,1:4
L4
220nH
9
2
4
C6
1nF
C
C2
1.2pF
L2
0 Ohm
1
RFin
EN
7
GND
E2
2
2.7-5.0 V
E1
J2
GND
R1
3 Ohm
T2 Circuit Diagram
E3
TOP VIEW
B
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
1
5
2
4
3
CONTRACT NO.
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
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
6
3
APPROVALS
DRAWN
A. Karpova
DATE
9/08/05
CHECKED
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
TITLE
A
LT5560EDD DOWNCONVERTING MIXER APPLICATION
APPROVED
ENGINEER
B
V. Dvorkin
9/08/05
DESIGNER
Tuesday, February 07, 2006
SIZE CAGE CODE
SCALE:
FILENAME:
2
DWG NO
REV
A
DC991A
SHEET
1
1
OF
1
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