Preliminary
RF2162
Evaluation Board Schematic - US CDMA
(Download Bill of Materials from www.rfmd.com.)
C2
4.7 uF
P1-1
C25
4.7 µF
C28
10 nF
2
P1
P1-1
1
2
VCC
GND
C30
C6
100 pF
C4
100 pF
TL4
L3
P2
1
L5
1 nH
P2-1
P2-2
VREG
1.8 nH
VMODE
2
TL3
TL5
1
2
3
4
5
16
15
14
13
12
11
10
9
C17
1 pF
L1*
C18
100 pF
C3
100 pF
TL2
TL1
J4
RF OUT
C5
100 pF
R2
C1**
C14**
J1
RF IN
L2
15 nH
6
7
8
R3
0 Ω
L4
18 nH
2162400B
C27
100 pF
R4
0 Ω
C10
4.7 µF
C13
100 pF
* L1 is a High Q inductor (i.e., Coilcraft 0805HQ-series).
**C1 and C14 are High Q capacitors
(i.e., Johanson C-series).
P2-1
P2-2
R1
1 kΩ
Board
R2 (Ω)
C30 (pF)
100
C1 (pF)
9.1
L1 (nH)
27
C14 (pF)
5.1
CDMA (US)
330
Transmission
Line Length
TL1
TL2
TL3
TL4
TL5
CDMA (US)
175 mils
165 mils
L=15 mils
W=16 mils
L=40-45 mils L=15-20 mils
from L3
W=14 mils
W=16 mils
2-210
Rev A17 011011
RFMD [ RF MICRO DEVICES ]
