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Preliminary
2-201
RF2186
Rev A2 010515
2
Evaluation Board Schematic
W-CDMA (1920MHz to 1980MHz)
R2
C5
15 pF
* L1 is a High Q inductor (i.e., Coilcraft 0805HQ-series).
**C1 and C14 are High Q capacitors (i.e., Johanson C-series).
9
8
7
6
12
11
10
1
16
15
14
13
4
3
2
5
R1
1.8 k
Ω
P2
P3
C1**
C14**
C3
15 pF
L1*
L4
15 nH
C4
15 pF
C26
10 nF
C6
15 pF
C30
C8
10 nF
L5
10 nH
L3
1.2 nH
C11
8.2 pF
C12
10 nF
C27
15 pF
C13
15 pF
TL
1
TL
2
TL
3
50
Ωµstrip
J2
RF OUT
P1
50
Ωµstrip
J1
RF IN
Board
R2 (
Ω)
C30 (pF)
C1 (pF)
L1 (nH)
C14 (pF)
WCDMA
150
8.2
4.7
16
2.2
Transmission Line Length
TL
1
TL
2
TL
3
WCDMA
0.053" 0.140" 0.022"
C7
1
µF
+
C10
1
µF
+
C2
4.7
µF
+
P1
1
HDR_1
P1
VCC
P2
VREG
P1
1
HDR_1
P3
VMODE
P1
1
HDR_1
P4
GND
P1
1
HDR_1
2186400B
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