DC2091A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
3
__
FB1
330 Ohm @ 100MHz
C1
4.7uF
E2
SDO
E3
2
1
CS
CSB
19
20
SDI
SCLK
22
21
SD0
EN
VCC
GNDRF
TTCK
GNDRF
7
E5
GND
17
16
15
C4
J2
0.01uF
C
RF
14
13
GND
TTCK
GNDRF
18
12
6
RF
LOC
BBMQ
5
15pF
LOL
BBPQ
C5
GNDRF
U1
LTC5599IUF
11
4
J1
GND
BBMI
3
GNDRF
10
L1 39nH
C
VCTRL
9
2
BBPI
C3
0.1uF
TEMP
E4
23
R1 1
1
LO
SCLK
25
VCTRL
SDI
C2
1000pF
JP1
8
EN
D
E1
24
GND
APPROVED DATE
WESTON S. 06-11-14
VCC
GND
VCC
3.3V
D
DESCRIPTION
PRODUCTION
TEMP
E6
R4 0
BBMI
R6
J6
R3 0
BBPI
0
J4
R5
R2
J3
OPT
0
R12 OPT
J5
BBMQ
BBPQ
B
B
R8
49.9
C6
0.1uF
GND
R10
49.9
R9
49.9
C7
0.1uF
C8
0.1uF
R11
49.9
C9
0.1uF
E7
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
TECHNOLOGY
AK
WESTON S. TITLE: SCHEMATIC
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
LOW POWER I/Q MODULATOR 50MHz -1250MHz
IC NO.
REV.
LTC5599IUF
N/A
3
DEMO CIRCUIT 2091A
SIZE
SCALE = NONE
2
DATE:
Wednesday, June 11, 2014
SHEET 1
1
OF 2
A
5
4
3
2
1
VCC
VCC_L
1
2
3
D
D
JP2
U5
NC7WZ17P6X
R22
200K
VCC_L
1
R23 1K
6
3
4
2
5
CS
C10
2.2pF
E8
VCC_L
GND
VCC
R25 1K
C11
0.1uF
U3
NC7WZ17P6X
1
R26 1K
6
3
SCLK
C12
2.2pF
SDI
C13
2.2pF
4
VCC_L
C
C
2
HD-2X7.0.79
P1
ISO_7V_UNREG
ISO_5V_3p3v_REG
ISO_CSb
ISO_SCK_SCL
ISO_SDA_MOSI
ISO_MISO
EE_VCC
EE_SDA
EE_SCL
EE_GND
ISO_GND
ISO_GND
GPIO1
VCC
5
C14
0.1uF
VCC_L
U4
74LVC1T45GW
1
1
2
C15
0.1uF
6
4
2
VCC(A)
GND
VCC(B)
DIR
VCC_L
6
5
C16
0.1uF
R18
1K
7
R20 100
5
3
C17
0.1uF
R19 1K
4
10
SDO
C18
2.2pF
9
11
12
14
B
R15
4.99K
R14
4.99K
R13
4.99K
8
7
3
8
13
ISO_GND
B
GND
6
5
VCC
A0
WP
A1
SCL
A2
SDA
VSS
1
2
3
4
U2 24LC025
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
TECHNOLOGY
AK
WESTON S. TITLE: SCHEMATIC
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
LOW POWER I/Q MODULATOR 50MHz -1250MHz
IC NO.
REV.
LTC5599IUF
N/A
3
DEMO CIRCUIT 2091A
SIZE
SCALE = NONE
2
DATE:
Wednesday, April 30, 2014
SHEET 2
1
OF 2
A
Similar pages