DC858A - 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
3
EXT
IN1A
IN2A
IN3A
IN1B
IN2B
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
BNC x 6
J12
1
J13
J14
J5
1
1
1
J6
J7
E5
VREF
L1
L1
L1
L1
BANANA JACK
J2
VCC
3.3V TO 5V
VCC
1
GND
C1
4700PF
2
NOTE 3
C
JP5
VREF
C2
470PF
C3
470PF
C10
4700PF
U1
Z=75
IN1A
1 IN1A
2 DGND
DGND
Z=75
IN2A
3 IN2A
4 VREF
VREF
Z=75
IN3A
Z=75
5 IN3A
OUT1 20
6 AGND1
V- 19
7 IN1B
OUT2 18
IN1B
1
L1
Z=75
IN2B
1
L1
Z=75
IN3B
R10
75
R11
75
R12
75
R4
75
R5
75
V+ 24
EN
EN 23
SEL
SEL 22
21
V+
8 AGND2
V+ 17
9 IN2B
OUT3 16
10 AGND3
V- 15
11 IN3B
12 V-
R6
75
C4
10UF,16V
1206
C11
0.33UF,10V
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+ 14
V+ 13
LT6555CGN
B
B
E3
AGND
NOTES: UNLESS OTHERWISE SPECIFIED
A
C5
4700PF
SINGLE
DUAL
1
3
SUPPLY
JP3
2
BANANA JACK
J3
AGND
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.
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.
C6
470PF
4
3
C9
10UF,16V
1206
C8
0.33UF,10V VEE
CONTRACT NO.
APPROVALS
DRAWN:
TECHNOLOGY
KIM T.
TITLE:
CHECKED:
APPROVED:
ENGINEER: JON M.
DESIGNER:
DATE:
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
SCHEMATIC
HIGH SPEED TRIPLE 2:1 VIDEO MULTIPLEXER
SIZE
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
C7
470PF
BANANA JACK
J4
VEE
-3.3V TO -5V
DWG NO.
REV
DC858A-LT6555CGN
Friday, January 21, 2005
SHEET
1
A
1
OF 1
A
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