DC1660B - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
CL HI
E5
C17
0.1uF
PWRADJ
2
DESCRIPTION
APPROVED
PRODUCTION
JOHN C.
V+
E4
E2
C1
0.1uF
D
C2
680pF
C3
0.1uF
SHUT E7
DOWN
V+
C13
0.1uF
V+
CL HI
1
2
3
GND
NC
R8
OPT
C14
0.1uF
1
5
J4
C9
0.1uF
21
OUT-
R3
0
V+
GND
VCM
2
R7
OPT
17
GND
C6
OPT
0603
C11
0.1uF
0603
C
16
12
11
V+
4
5
GND
C12
0.1uF
0603
18
OUT-
V+
10
IN-
15
C10
0.1uF
TCM4-19+
IN-
R6
100
19
OUT+
LTC6417CUDC
OUT+
T2
C5 MABA-007159-000000
0.1uF
3
4
R1
0
20
U1
IN+
OR
J2
9
R5
0
3
8
14
C15
0.1uF
2
4
C
R2
100
NC
C7
0.1uF
1
J3
GND
13
T1
GND
SHUTDOWN
7
R4
0
PWRADJ
V+
6
C16
680pF
J1
5
V+
C18
680pF
C22
680pF
C21
0.1uF
E1
C19
0.1uF
J5
D
GND
C4
0.1uF
IN+
V+
4.75V - 5.25V
E3
V+
C8
OPT
0603
DATE
2-29-12
VCM
C20
0.1uF
C24
OR
C23
OPT
0603
0.1uF
B
B
DEMO BOARD SIGNAL CHAIN:
OUTPUT TERMINATION POWER GAIN = PG3
INPUT NETWORK POWER GAIN = PG1
OUTPUT TRANSFORMER POWER GAIN = PG4
BUFFER POWER GAIN = PG2
PG=Power Gain (dB)
TRANSFORMATION
T1
A
RATIO
Overall
R2=R6
R1=R3
PG1
PG2
PG3
PG4
PG
MABA-007159-000000
1:1
24.9
0
0
0
0
0
0
MABA-007159-000000
1:1
24.9
23.7
0
0
-3
0
-3
TCM4-19+
1:4
100
0
3
0
0
0
3
TCM4-19+
1:4
100
23.7
3
0
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0402
5
-3
0
0
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
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
LT
JOHN C.
TITLE: SCHEMATIC
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
ADC BUFFER
REV.
LTC6417CUDC
DEMO CIRCUIT 1660B
Tuesday, June 19, 2012
2
SHEET 1
1
OF 1
A