RF2153
Evaluation Board Schematic
US - TDMA
C7
1 uF
C2
4.7 uF
+
P1-1
C12
10 nF
C8
10 nF
C26
10 nF
2
C11
C6
C4
15 pF
C30
15 pF
15 pF
TL3
16
15
14
1
2
3
4
13
12
11
10
C14
1 pF
L1*
L3
1 nH
C3
15 pF
TL2
TL1
J2
RF OUT
C5
15 pF
R2
50 Ω µstrip
C1**
C15**
J1
L4
15 nH
RF IN
6
7
8
5
9
R3
R4
2153402A
P1
1
0
Ω
0
Ω
P1-1
VCC
GND
C27
15 pF
C13
15 pF
2
P2
1
P2-1
P2-2
VREG
P2-1
P2-2
2
VMODE
R1
4.7 k
Ω
* 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)
10 4.7
L1 (nH)
12
C15 (pF)
1.8
Transmission
Line Length
TDMA (US)
TL1
TL2
TL3
TDMA (US)
100
20 mils
160 mils
10 mils
2-176
Rev A18 001114
RFMD [ RF MICRO DEVICES ]
