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RF2153
Rev A18 001114
2
Evaluation Board Schematic
US - TDMA
R2
L3
1 nH
C11
15 pF
C12
10 nF
C7
1 uF
C6
15 pF
C5
15 pF
1
2
3
4
5
13
12
11
10
9
678
16
14
15
TDMA (US)
Board
R2 (
Ω)
C15 (pF)
C30 (pF)
C1 (pF)
L1 (nH)
100
1.8
10
4.7
12
C27
15 pF
R1
4.7 k
Ω
C13
15 pF
L4
15 nH
C1**
C15**
C3
15 pF
L1*
C4
15 pF
C26
10 nF
C14
1 pF
TL
1
TL
2
C30
C8
10 nF
TL
3
Tied together for optimum linearity
* L1 is a High Q inductor (i.e., Coilcraft 0805HQ-series).
**C1 and C15 are High Q capacitors (i.e., Johanson C-series).
C2
4.7 uF
+
2153402A
P1-1
J1
RF IN
50
Ω µstrip
J2
RF OUT
P1
1
2
P1-1
VCC
GND
R4
0
Ω
R3
0
Ω
P2
1
2
VMODE
P2-2
P2-1
VREG
P2-1
P2-2
Transmission
Line Length
TDMA (US)
TL
1
20 mils
TL
2
160 mils
TL
3
10 mils
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