DC892A - Schematic

5
4
3
2
E1
EN
E4
SEL A/B
3
DGND
E2
DGND
1
ENABLE
R8
50
OPT
2
5
4
3
2
EXT
Z=50
3
JP2
DGND
3
R9
50
OPT
A
SEL
JP4
1
R7 VCC
20K
DGND
50 OHM BNC
J8
SEL A/B
D
1
AGND
2
FLOAT
NOTE 2
B
EXT
1
JP1
CONTROL
5
4
3
2
1
50 OHM BNC
J1
EN
2
Z=50
NOTE 2
D
1
EXT
C
IN1A
IN2A
IN3A
IN1B
IN2B
BNC x 6
J12
1
J13
J14
J5
1
1
1
J6
1
J7
1
1
GND
U1
LT6555CUF/LT6556CUF
L1
Z=75
IN1A
L1
Z=75
IN2A
L1
L1
L1
L1
Z=75
22 IN1A
DGND 23
DGND
24 IN2A
VREF
1 VREF
2 IN3A
IN3A
Z=75
R11
75
R12
75
R4
75
R5
75
OUT3 13
V- 12
8 AGND3
9 IN3B
IN3B
R10
75
OUT2 15
V+ 14
6 AGND2
7 IN2B
IN2B
Z=75
OUT1 17
V- 16
3 AGND1
5 IN1B
IN1B
Z=75
V+ 21
EN
EN 20
SEL
SEL A/B 19
V+ 18
4 V-
R6
75
C1
4700PF
C2
0.22UF
C3
4700PF
C10
4700PF
C4
10UF,16V
1206
C7
0.22UF
BANANA JACK
J2
VCC
3.3V TO 5V
C
NOTE 3
R1
75
OUT1
Z=75
L2
R2
75
OUT2
Z=75
L2
R3
75
OUT3
Z=75
L2
BNC x 3
J9
5
1
4
3
2
J10 5
1
4
3
2
J11 5
1
4
3
2
OUT1
OUT2
OUT3
V+ 11
V+ 10
25
IN3B
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
5
4
3
2
VCC
2
NOTE 3
E5
VREF
VEE
3
JP5
VREF
B
B
E3
AGND
C5
4700PF
SINGLE
DUAL
1
3
SUPPLY
JP3
2
BANANA JACK
J3
AGND
C6
OPT
C9
10UF,16V
1206
C8
0.22UF
BANANA JACK
J4
VEE
-3.3V TO -5V
VEE
NOTES: UNLESS OTHERWISE SPECIFIED
A
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE 0402.
2. SHDN CONNECTOR IS GENERIC 50 OHMS VERTICAL BNC.
3. VIDEO CONNECTORS ARE CANARE BCJ-BPLH BNC.
4. INSTALL SHUNTS ON JP1-JP5 PIN 1 AND 2.
5. FOR BOARD ASSEMBLY:
DC892A-A
DC892A-B
LT6555CUF
LT6556CUF
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
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CONTRACT NO.
APPROVALS
DRAWN:
TITLE:
CHECKED:
APPROVED:
ENGINEER: JON M.
DESIGNER:
4
3
SIZE
DATE:
2
SCHEMATIC
650MHz, HIGH SPEED TRIPLE 2:1 VIDEO MULTIPLEXER
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
TECHNOLOGY
KIM T.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DWG NO.
DC892A-1 * LT6555CUF/LT6556CUF
Wednesday, June 29, 2005
SHEET
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