DC1765A - Schematic

5
4
3
2
1
REVISION HISTORY
V+
V+
3.15V - 3.45V
E1
ECO
REV
__
GND
E2
DESCRIPTION
3
PRODUCTION
APPROVED
MICHEL A.
DATE
08-16-12
D
D
C16
22uF
3528 10V
V+
+
FILTA
3
H
2
1
L
JP1
C14
1uF
V+
J1
R6
OPT
IN+
C6
0.01uF
R7
49.9
SMA-R
V+
R16
330k
U1
C13
0.1uF
1
2
3
R11
OPT
4
5
V+
6
R14
OPT
IN-
C8
0.01uF
H
FILTB
L
3
2
1
*
U1
ASSY
R1-R4
Z1-Z4 R20-R21
-A
LVPECL
LTC6957HMS-1
130 OHM
0.01uF
OPT
-B
LVDS
LTC6957HMS-2
OPT
0 OHM
100 OHM
*
FILTA
SD1
V+
OUT1+
IN+
OUT1-
IN-
OUT2-
GND
OUT2+
FILTB
SD2
A
1. ALL RESISTORS AND CAPACITORS ARE 0603.
R18
330k
12
SMA-R
*
Z2 *
J4
OUT1-
OUT1-
R2
11
SMA-R
*
10
8
7
Z3
R21
3
2
1
SD2
*
*
J5
OUT2-
OUT2SMA-R
*
H
Z4
L
JP4
TECHNOLOGY
OUT2+
SMA-R
B
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Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
A
LOW PHASE NOISE, DUAL LVPECL OR LVDS OUTPUT
BUFFER / DRIVER / LOGIC CONVERTER
SIZE
IC NO.
DATE:
REV.
LTC6957HMS-1 / -2
DEMO CIRCUIT 1765A
N/A
SCALE = NONE
J6
OUT2+
*
KIM T.
MICHEL A.
*
R4
APPROVALS
3
C
9
R19
330k
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.
4
OUT1+
R1
V+
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
L
J3
OUT1+
R3
CUSTOMER NOTICE
NOTE: UNLESS OTHERWISE SPECIFIED
Z1 *
H
*
JP2
B
SD1
R20
V+
R15
49.9
SMA-R
3
2
1
JP3
C
J2
R17
330k
08/16/2012, 06:45 PM
2
3
SHEET 1
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OF 1
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