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Preliminary
2-202
RF2161
Rev A3 010514
2
Evaluation Board Schematic
W-CDMA (1920MHz to 1980MHz)
R2
L3
1.2 nH
C11
8.2 pF
C12
10 nF
C30
C8
10 nF
C6
15 pF
C5
15 pF
C27
15 pF
R1
1.8k
Ω
C13
15 pF
L4
15 nH
1
2
3
4
5
13
12
11
10
9
67
8
16
14
15
P2
P3
C1**
C14**
C3
15 pF
L1*
C4
15 pF
C26
10 nF
TL
2
TL
3
* L1 is a High Q inductor (i.e., Coilcraft 0805HQ-series).
**C1 and C14 are High Q capacitors
(i.e., Johanson C-series).
Board
R2 (
Ω)
C14 (pF)
C30 (pF)
C1 (pF)
L1 (nH)
WCDMA
150
2.2
8.2
4.7
16
WCDMA
0.044"
0.140"
0.022"
Transmission
Line Length
TL
1
TL
2
TL
3
TL
1
50
Ωµstrip
J2
RF OUT
50
Ωµstrip
J1
RF IN
P1
2161400-
C10
1uF
C7
1
µF
L2
10 nH
C2
4.7 uF
P3
VMODE
VREG
P2
VCC
P1
P4
GND