DC1078A - Schematic

5
4
3
2
1
D
D
C1
22nF
U1
LT5570EDD
C
J1
T1
LDB212G1020-C001
1
4
C7
0.6pF
5
Vcc
FLTR
2
In+
En
9
GND
10
2
3
DEC
DNC
8
3
4
In-
DNC
7
5
Gnd
Out
6
TP3
C6
DO NOT INSTALL
EN
C
R1
100K
11
C4
1nF
TP1
TP2
1
Gnd
L1
3.3nH
RFin
800-2700 MHz
C3
1uF
C2
1nF
VCC
4.75V-5.25V
OUT
TP4
C5
OPT
B
B
Note:
Demo Board is Optimized for 2140 MHz.
Refer to Page 3 of the Quick Start Guide for Demo
Board Modifications.
CUSTOMER NOTICE
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
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
CONTRACT NO.
APPROVALS
DRAWN
A. Karpova
DATE
3/6/06
CHECKED
TECHNOLOGY
TITLE
APPROVED
ENGINEER
D.Stuetzle
3/6/06
LT5570EDD
Log Mean Square Power Detector
DESIGNER
SIZE
Tuesday, December 04, 2007
SCALE:
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
CAGE CODE
DWG NO
FILENAME:
2
A
REV
DC1078A
SHEET
1
1
2
OF
1
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