Datasheet
LTC6430-15
22
643015f
applicaTions inForMaTion
Figure 18. Demo Board 1774A Schematic
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE 0402.
NOTE: UNLESS OTHERWISE SPECIFIED
CAL IN
CAL OUT
GND
+5V
OPTIONAL CIRCUIT
-C OPT
100-300 MHz-A
FREQ.
100-1200 MHz
400-1000 MHzLTC6430IUF-15
ASSY U1
ADT2-1T+
LTC6431IUF-15
T3, T4
-B ADTL2-18
*
0 OHM
OPT
R13,R14,R17,R18
OPT
R3, R4
0 OHM
0 OHM
OPT
LTC6430IUF-15
J8
STUFF
STUFF
OPT
1008
1008
+IN
-IN
+OUT
-OUT
J10
OPT
STUFF
OPT
560nH
OPTOPT
0.1uF
C23
0.1uF
C14,C15
1000pF, 0402
L2
OPT
OPT-C OPT
1000pF, 0603-A
C5
1000pF, 06031000pF, 0402
ASSY C2,C4
62pF
OPT
C9
-B 62pF
R1
348
OPT
3481000pF, 0402 560nH
OPT
JOHN C.PRODUCTION2 12-13-11
__
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
1
Wednesday, July 11, 2012
11
IF AMP/ADC DRIVER
KIM T.
JOHN C.
N/A
LTC643XIUF FAMILY
DEMO CIRCUIT 1774A
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
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
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
VCC
VCC
VCC
VCC
C5
1000pF
J7
SMA-R
R5
348
C23
0.1uF
C11
1000pF
L1
560nH
C13
1000pF
C18
1000pF
R17
*
0603
C4
1000pF
R14
*
0603
C14
1000pF
L11
OPT
R13
*
0603
J9
SMA-R
OPT
C9
62pF
C21
1000pF
T4
*
6
4
1
5
3
J11
+5V
C2
1000pF
L22
OPT
C19
1000pF
R2
348
E6
C16
1000pF
R18
*
0603
J5
SMA-R
J8
SMA-R
*
T1
SEE BOM
6
4
1
5
3
C8
62pF
C22
0.1uF
C17
1000pF
J6
SMA-R
C10
62pF
R4
*
0603
C12
62pF
C15
1000pF
R1
348
E3
T2
SEE BOM
6
4
1
5
3
U1
*
2
14
1
24
4
6
8
10 21
19
17
22
20
18
16
5
25
9
11
15
12
13
3
23
7
DNC
GND
DNC
+IN
DNC
DNC
GND
DNC DNC
DNC
GND
VCC
DNC
+OUT
T_DIODE
DNC
GND
VCC
DNC
DNC
DNC
-OUT
DNC
GND
-IN
R3
*
0603
C1
1000pF
J18
GND
R6
348
J10
SMA-R
*
T3
*
6
4
1
5
3
C7
1000pF
C20
1000pF
L2
560nH
C3
1000pF