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Preliminary
2-210
RF2162
Rev A17 011011
2
Evaluation Board Schematic - US CDMA
(Download Bill of Materials from www.rfmd.com.)
R2
C25
4.7
µF
C30
C6
100 pF
C5
100 pF
C27
100 pF
R1
1k
Ω
C13
100 pF
C1**
C14**
C3
100 pF
L1*
C4
100 pF
C28
10 nF
C2
4.7 uF
C17
1pF
R3
0
Ω
CDMA (US)
Board
R2 (
Ω)
C14 (pF)
C30 (pF)
C1 (pF)
L1 (nH)
330
5.1
100
9.1
27
TL
1
TL
2
C10
4.7
µF
* L1 is a High Q inductor (i.e., Coilcraft 0805HQ-series).
**C1 and C14 are High Q capacitors
(i.e., Johanson C-series).
16
1
13
14
15
2
3
4
9
8
7
6
5
12
11
10
L4
18 nH
R4
0
Ω
L2
15 nH
J1
RF IN
C18
100 pF
P1-1
TL
3
L3
1.8 nH
TL
4
L5
1nH
J4
RF OUT
2162400B
P1
1
2
P1-1
VCC
GND
P2
1
2
P2-1
VREG
VMODE
P2-2
P2-1
P2-2
TL
4
CDMA (US)
Transmission
Line Length
TL
5
L=15-20 mils
W=14 mils
L=40-45 mils
from L3
W=16 mils
TL
3
L=15 mils
W=16 mils
165 mils
TL
2
TL
1
175 mils
TL
5
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