LMX25121065EVAL/NOPB National Semiconductor, LMX25121065EVAL/NOPB Datasheet - Page 15

• Manufacturer Part Number: LMX25121065EVAL/NOPB
• Description: EVALUATION BOARD FOR LMX25121065
• Manufacturer: National Semiconductor
• Series: PLLatinum™r

Specifications of LMX25121065EVAL/NOPB

• Main Purpose: Timing, Frequency Synthesizer
• Embedded: No
• Utilized Ic / Part: LMX2512
• Primary Attributes: Single Fractional-N and Integer-N PLL with VCO
• Secondary Attributes: 1.065GHz, CodeLoader Graphical User Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LMX25121065EVAL; *LMX25121065EVAL/NOPB; LMX25121065EVAL

Figure A.1 Schematic
Note: The default configuration has all jumpers placed on the board.
LMX2512LQ1065
VDD_5V
SMA
TP1
3
1
1
3
5
7
9
JP1
HEADER_2X2
uWire
HEADER_2X5
4
2
2
4
6
8
10
+ C4
OPEN
+ C1
LMX2512LQ1065 EVALUATION BOARD OPERATING INSTRUCTIONS
1u
R31
OPEN
R30
0
R23
4.7k
R24
4.7k
1
2
3
1
2
3
U2
LP3985IM5-2.8
U3
OPEN
VDD_TCXO
R25
4.7k
R26
4.7k
IN
GND
EN
IN
GND
EN
OPEN
VDD_VCO
OPEN
OUT
OUT
BYP
BYP
Optional Circuitry
February 19, 2003
R1
OPEN C15
OPEN
R32
10k
5
4
5
4
C27
OPEN
VDD_VCO
C11
10n
+
R33
10k
R16
10
C12
OPEN
R9
OPEN
R10
OPEN
+ C6
+ C8
R34
10k
C16
OPEN
OPEN
1u
+ C26
OPEN
R15
1u
R35
10k
LE
DATA
CLK
PD
R5
0
C39
OPEN
R19
OPEN
LVCO-4279U
Evaluation Board – Schematic
1
2
3
R29
0
Vt
G
Vcc
U5
R20
R21
OPEN
OPEN
Fout
NC
G
1
2
C35
OPEN
Y1
OPEN
7
6
5
VCTRL
GND
APPENDIX A:
C30
OPEN
VCC
OUT
R27
VDD_IC_3V
0
R22
18
OPEN
OPEN
R38
4
3
36k
R28
C36
3300p
R39
R41
18
18
+ C9
OPEN
R17
C37
330p
OPEN
C28
100p
C18
0.1u
R40
OPEN
R11
10
C13
OPEN
IF_OUT
SMA
C29
100p
C31
OPEN
+ C3
+ C2
VDD_IF
10u
1u
C32
OPEN
9
7
5
3
1
C33
OPEN
JP2
HEADER_2X5
1
2
3
4
5
6
7
U1
100p
CPout
NC
NC
Vdd
LE
CLK
DATA
C44
VDD_VCO
10
8
6
4
2
13
R12
0
C19
100p
R4
0
C20
100p
LMX2502/12LQ
C34
100p
C21
100p
R14
RFout
0
GND
R13
0
Vcc
Vcc
Vcc
C45
100p
CE
LD
VDD_IF
21
20
19
18
17
16
15
C22
100p
R18
0
C17
OPEN
R2
OPEN
R43
OPEN
R42
0
C24
0.1u
VDD_IF
OPEN
C23
100p
R7
OPEN
R6
0
C25
OPEN
R3
OPEN
C38
47p
51
R37
R8
0
VDD_RF
OPEN
OSC_IN
SMA
RF_OUT
SMA
LD
SMA