Analog Devices LTC6955, Demo Manual

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9
DEMO MANUAL DC2611A
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog
Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications
subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
3.3V SUPPLIES
1. ALL RESISTORS AND CAPACITORS ARE 0402.
NOTES: UNLESS OTHERWISE SPECIFIED
PLACE ON TOP SIDE
PLACE ON BOTTOM SIDE
[2]
[2]. J26 = INSTALLED BUT UNUSED. [3]. COMPONENTS WILL BE STUFFED WITH DEFAULT VALUES.
FOR INPUT SIGNALS < 5GHz
DIFFERENTIAL S-E IN- (DEFAULT FOR -A) S-E IN+
R8
R9
R10
C59
C60
OPT
75
30
0.1uF
0.1uF
0.1uF
75
30
OPT
OPT
OPT
0.1uF
OPT
OPT
160
OTHER VALUES ARE FOR LAB USED ONLY.
[3]
ALL INPUT AND OUTPUT CONNECTIONS ARE SAME LENGTH, 50 OHM CONTROLLED IMPEDANCE.
[4]. ASSEMBLY TABLE:
ASSY
U1
SUFFIX
A
LTC6955 LTC6955-1
1
DC2611A -
B
DC2611A -
LH LH LH LH
C58
C61
0.1uF 0.1uF
0.1uF 0.1uF
R11
R19
R20
OPT OPT OPT
OPT OPT OPT
OPT OPT OPT
FOR INPUT SIGNALS > 5GHz
DIFFERENTIAL S-E IN- (DEFAULT FOR -B) S-E IN+
R8
R9
R10
C59
C60
OPT
1pF
OPT
OPT
OPT
C58
C61
R11
R19
R20
1nH
OPT OPT
49.9
OPT 49.9 OPT
OPT OPT OPT
1pF 1pF
1pF 1pF 1pF
OPT OPT OPT
OPT OPT
OPT
OPT OPT
1nH 1nH
FB1
FB1
MMZ0603
OPT
OPT
0 OHM
MMZ0603 MMZ0603
0 OHM 0 OHM
OUT0+
SEL3
OUT0- OUT1+ OUT1- OUT2- OUT3+
OUT4+ OUT4- OUT5+ OUT5- OUT6+ OUT6-
OUT7+ OUT7- OUT8+ OUT8- OUT9- OUT10- OUT10+
TEM P
IN- IN+
OUT9+
CAL_IN
CAL_OUT
OUT3-
FILT
SEL0 SEL1 SEL2
OUT2+
3.3V
3.3V 3.3V
3.3V
3.3V
3.3V
3.3V
3.3V 3.3V 3.3V
3.3V
3.3V 3.3V 3.3V
3.3V
VIN33
VIN33
3.3V
3.3V
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
CHRIS P.
PRODUCTION
__
3
07-07-17
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
CHRIS P.
PRODUCTION
__
3
07-07-17
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
CHRIS P.
PRODUCTION
__
3
07-07-17
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
3
DEMO CIRCUIT 2611A
Friday, July 07, 2017
1
1
ULTRALOW JITTER 11 OUTPUT FANOUT BUFFER
N/A
LTC6955IUKG, LTC6955IUKG-1
KIM T.
CHRIS P.
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
3
DEMO CIRCUIT 2611A
Friday, July 07, 2017
1
1
ULTRALOW JITTER 11 OUTPUT FANOUT BUFFER
N/A
LTC6955IUKG, LTC6955IUKG-1
KIM T.
CHRIS P.
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
3
DEMO CIRCUIT 2611A
Friday, July 07, 2017
1
1
ULTRALOW JITTER 11 OUTPUT FANOUT BUFFER
N/A
LTC6955IUKG, LTC6955IUKG-1
KIM T.
CHRIS P.
SW2 EG1218
SEL2
1
3
2
J10
SMA
OUT0-
C25 0.01uF 0201
E10
VIN33
C56 0.1uF
J13
SMA
OUT2+
OPT
C6 0.1uF
J26
SMA
IN+
J4
SMA
OUT9+
OPT
C61
U1
[4]
VOUT+
32
OUT1+
31
OUT1-
30
VOUT+
29
OUT2+
28
OUT2-
27
VOUT+
26
OUT3+
25
OUT3-
24
VOUT+
23
VOUT+
14
SEL3
1
VD+
2
OUT10-
3
OUT10+
4
VOUT+
5
OUT9-
6
OUT9+
7
VOUT+
8
OUT8-
9
OUT8+
10
VOUT+
11
OUT7-
12
VIN+
39
IN-
38
OUT7+
13
VOUT+
20
VOUT+
17
OUT5+
19
OUT6+
16
OUT4-
21
OUT4+
22
OUT5-
18
IN+
37
NC
36
OUT0+
34
VOUT+
35
OUT6-
15
OUT0-
33
FILT
40
GND
41
NC
42
NC
43
NC
44
NC
45
NC
46
NC
47
NC
48
TEMP
49
SEL 0
50
SEL 1
51
SEL 2
52
EP
53
C19 OPT C20 OPT
E7
GND
J14
SMA
OUT2-
OPT
JP1
HD1X3-079
L
H
FILT
1 3 2
C3 OPT
C32 0.01uF 0201
C15 OPT
J3
SMA
OUT9-
OPT
E9
C57 0.1uF
C30 0.01uF 0201
C18 0.1uF
C28 0.01uF 0201
J16
SMA
OUT3-
OPT
C14 OPT
R9
J17
SMA
OUT4+
C5 0.1uF
J23
SMA
CAL_OUT
R7 100
E3
GND
SW1 EG1218
SEL1
1
3
2
R5 100
J20
SMA
OUT5-
OPT
C50 0.1uF
C10 0.1uF
J18
SMA
OUT4-
C31 0.01uF 0201
R1 10k
E2
GND
C48 1uF
J8
SMA
OUT7+
OPT
C35 0.01uF 0201
C59
C17 0.1uF
J6
SMA
OUT8+
C8 OPT
J15
SMA
OUT3+
OPT
C42 1uF
R4 100
C1 0.1uF
C21 0.1uF
J11
SMA
OUT1+
E8
J24
SMA
CAL_IN
R18 0
C13 OPT
R2 10k
R20
J5
SMA
OUT8-
C44 1uF
C22 0.1uF
J27
3.3V
KEY-575
E6
GND
J1
SMA
OUT10-
C43 1uF
C29 0.01uF 0201
C38 1uF
R8
C2 0.1uF
J9
SMA
OUT0+
C46 1uF
J21
SMA
OUT6+
J19
SMA
OUT5+
OPT
C47 1uF
+
C62 330uF 10V 7343
E1
TEMP
C45 1uF
C7 OPT
C34 0.01uF 0201
J25
SMA
IN-
SW3 EG1218
SEL3
1
3
2
C11 0.1uF
J12
SMA
OUT1-
C27 0.01uF 0201
J22
SMA
OUT6-
R6 100
R3 100k
C9 0.1uF
C39 1uF
C40 1uF
C41 1uF
FB1
[3]
R10
C12 0.1uF
C26 0.01uF 0201
R19
E4
GND
J7
SMA
OUT7-
OPT
C58
E5
GND
C36 0.01uF 0201
SW0 EG1218
SEL0
1
3
2
C49 10uF 1206
C33 0.01uF 0201
J28
GND
KEY-575
C16 OPT
J2
SMA
OUT10+
R11
R12 100
C60
C4 OPT