RF2153
Evaluation Board Schematic
Korea - CDMA
C7
1 uF
C2
4.7 uF
+
P1-1
C12
10 nF
C8
10 nF
C26
10 nF
2
C11
9 pF
C6
15 pF
C4
15 pF
TL4
TL3
C30
16
15
14
1
2
3
4
13
12
11
10
C14
1.5 pF
L1*
L3
1.5 nH
C3
15 pF
TL2
TL1
J2
RF OUT
C5
15 pF
R2
50 Ω µstrip
C1**
C15**
J1
L4
RF IN
15 nH
6
7
8
5
9
R3
R4
2153401 Rev.-
P1
1
39
Ω
0
Ω
P1-1
VCC
GND
C27
15 pF
C13
15 pF
2
C10
1 uF
P2
1
P2-1
P2-2
VREG
P2-1
P2-2
2
VMODE
R1
1 kΩ
* L1 is a High Q inductor (i.e.,Coilcraft 0805HQ-series).
**C1 and C15 are High Q capacitors (i.e., Johanson C-series).
Tied together for optimum linearity
Board
R2 (
Ω
)
C30 (pF) C1 (pF)
11 5.6
L1 (nH)
12
C15 (pF)
2.2
CDMA (Korea)
180
Transmission
Line Length
TL1
30 mils
TL2
100 mils
TL3
30 mils
TL4
CDMA (Korea)
100 mils
or > 2.7 nH
inductor
Rev A18 001114
2-175
RFMD [ RF MICRO DEVICES ]
