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2-24
RF2105L
Rev B3 010720
2
Application Schematic for 915MHz Operation
Evaluation Board Schematic (840MHz)
(Download Bill of Materials from www.rfmd.com.)
2
3
4
5
13
12
11
10
678
9
114
15
16
BIAS
CIRCUIT
V
CC
100 pF
100 pF
100 pF
3.9 pF
5.6 pF
1.8 pF
100 pF
100 pF
47 nH
180
Ω
0.01" x 0.15"
(PCB material: FR-4,
Thickness: 0.031")
RF OUT
1
µF
RF IN
Ground Back of
Package
PD
0/5 V
DC
C7
330 pF
C11
100 nF
C9
1nF
C8
100 nF
C3
330 pF
C10
1
µF
C5
100 pF
C4
100 pF
R3
180
Ω
L1
47 nH
C6
100 pF
SMA
J1
P1-3
C13
2.4 pF
L2
1.8 nH
C2
6.8 pF
SMA
J2
C1
100 pF
C12
4.7 pF
RF IN
RF OUT
2
3
4
5
13
12
11
10
6789
114
15
16
BIAS
CIRCUIT
C12 is adjusted for 840 MHz
P1-1
2105400 Rev A
P1-1
P1-3
P1
PD
GND
VCC
1
2
3
C14
100 nF
0.01"x0.2"
PCB mat'l: FR-4,
Thickness: 0.031"
50
Ω µ strip
50
Ω µ strip
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