5
dc1660bf
DEMO MANUAL DC1660B
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
schematic Diagram
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
NOTE: UNLESS OTHERWISE SPECI
FIE
D
1. ALL RESISTORS AND CAPACITORS ARE 0402
DEMO CIRCUIT 1660B
IN
-
GND
V+ 4.75V - 5.
25
V
PWRADJ
CL
H
I
SHU
T
DOWN
VC
M
IN
+
OUT+
OUT
-
OR
INPUT
NETWOR
K
PO
WER
G
AI
N
=
PG
1
BUFFER
POWE
R G
AI
N
= PG
2
OUTPUT
TERMINATION
POWER
GAIN
=
PG
3
OUTPUT
TRANSFORMER
P
OWER
G
AI
N
=
PG
4
PG=
Po
we
r G
ain
(d
B)
DEMO
BOARD
SIGNAL
CHAIN
:
TRANSFORMATION
GP
OIT
AR
Overall
100
100
24.9
24.9
23.7
0
23.7
0
R1=R3
R2=R6
0
PG1
0
3
3
0
0
0
0
PG2
0
PG3
-3
-3
0
0
PG4
0
0
0
0
-3
3
0
1:1
1:1
1:4
1:4
TCM4-19+
MABA-007159-000000
MABA-007159-000000
TCM4-19+
T1
-3
0
0
23.7
200
TC8-1G2+
5.1
5.4
200
0
1:8
4.5
0
0
4.5
1:8
TC8-1G2+
0
JOHN
C
.
2ND
PROTO
TYP
E
21-
92-
2
2
__
REVISION HISTORY
ET
AD
NOI
TPI
RC
SE
D
APPROVED
ECO
REV
2
Wednesday, February 29, 2012
1
1
ADC BUFF
ER
LT
JOHN
C
.
N/
A
LTC6417CUDC
SI
ZE
DA
TE
:
.V
ER
.O
N
CI
SHE
ET
OF
TIT
LE
:
APPROVALS
PCB
DES
.
APP
EN
G.
TECHNOLOGY
Fax: (408)434-0507
M
ilp
itas, CA 9503
5
Phone: (408)432-1900
1630 M
cC
ar
th
y B
lvd
.
LTC
Conf
idential-For Customer
Use Onl
y
CUSTOME
R N
OTIC
E
LI
NEAR
TECHNOLOGY
HAS
MADE
A
BEST
EFFORT
TO
DES
IGN
A
CI
RCU
IT
T
HAT
M
EE
TS
CUS
TOM
ER
-SUPP
LI
ED
SPEC
IF
ICAT
IO
NS
;
HOWEVER
, IT
REMA
INS
THE
CUSTOMER
'S
RESPONS
IB
IL
ITY
TO
VER
IF
Y
PROPER
AND
REL
IABLE
OPERAT
IO
N I
N
THE
ACTUA
L
APP
LI
CA
TI
ON
. COMPONENT
SUBST
ITUT
ION
AND
PR
INTE
D
CI
RCU
IT
BOARD
LAYOUT
MAY
S
IGN
IF
ICANT
LY
A
FF
EC
T
CI
RCU
IT
PERFORMANCE
OR
REL
IAB
IL
IT
Y.
CO
NT
AC
T
LI
NEA
R
TECHNOLOGY
APPL
ICAT
IO
NS
ENG
INEER
ING
FOR
ASS
IS
TANCE
.
TH
IS
C
IRC
UI
T I
S
PROPR
IETARY
TO
L
INEAR
TECHNOLOGY
AN
D
SCHEMATI
C
SUPPL
IED
FOR
USE
W
ITH
L
INEAR
TECHNOLOGY
PAR
TS
.
SCALE
=
NON
E
www.linear.com
V+
V+
V+
V+
V+
J4
C22
680pF
C24
0.1
uF
R4 0
C5 0.1
uF
C1 0.1u
F
E2
R5 0
E4
R1 0
C8 OPT
0603
E5
C9 0.1u
F
C14 0.1
uF
T1
TC
M4-1
9+
1
5
3
4
2
E7
C7 0.1u
F
C4 0.1u
F
R8 OPT
C13 0.1u
F
C11 0.1
uF
0603
E3
C10 0.1
uF
E1
C18 680pF
J1
R2 100
R3 0
C15 0.1
uF
C6 OPT
0603
C12 0.1
uF
0603
R7 OPT
C3 0.1u
F
C19 0.1
uF
C17 0.1u
F
C16 680pF
C20 0.1
uF
J5
C2 680pF
U1
LTC
6417
CUD
C
6
7
8
9
10
17
18
19
20
11
5
4
3
2
1
12
13
14
15
16
21
V+
GND
IN+
IN-
GND
GND
OUT-
OUT+
GND
V+
PWRADJ
NC
GND
CL HI
V+
SHUTDOWN
NC
OR
VCM
V+
GND
J3
R6 100
T2
MABA-007159-000000
5
4
3
1
2
C23 OPT
0603
J2
C21 0.1
uF
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from