11 / 14 page
Preliminary
11-37
RF2514
Rev A2 010215
11
Evaluation Board Schematic
868MHz
1
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
L2
18 nH
C14
1.5 pF
C15
5pF
L3
10 nH
C16
4pF
50
Ωµstrip
C17*
J1
TX OUT
C12
0.1 uF
C13*
VCC
R8
6.2 k
Ω
C11
10 nF
R7
3.9 k
Ω
50
Ωµstrip
J2
MOD IN
C9
10 nF
C10
10 nF
R6
10
Ω
VCC
FLAG
L1
18 nH
R5
1.5 k
Ω
C7
0.1 uF
VCC
C8*
L1 is placed 130 mils from the edge of U1 so an 18 nH standard
inductor can be used.
*Components not populated on PCB.
R3
22 k
Ω
C5
7pF
C6
100 pF
C4
1nF
R2
0
Ω
R1
0
Ω
VCC
C3
68 pF
X1
13.577 MHz
C2
33 pF
C1
3 - 10 pF
2514400-
P1-3
VCC
GND, DGND
P1-2
PD
P1
1
2
3
CON3
PD