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RF3809
Rev A4 DS080221
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Evaluation Board Schematic
869MHz to 894MHz (GSM800) (RF3809411)
Evaluation Board Schematic
920MHz to 960MHz (GSM900) (RF3809412)
C5
Open
C6
3.9 pF
L3
47 nH
C12
33 pF
C3
6.2 pF
C1
Open
J1
RF IN
R1
750
Ω
C26
36 pF
50
Ω μstrip
1
2
3
4
8
7
6
5
PACKAGE BASE
GND
Bias
Circuit
C2
22 pF
C4
1 pF
J2
RF OUT
50
Ω μstrip
C9
Open
C8
Open
C10
Open
C7
Open
C24
100 pF
C25
0.1
μF
R2
750
Ω
R3
Open
R4
Open
R5
Open
C13
1000 pF
C14
10
μF
C15
0.1
μF
VREF
C11
6.2 pF
VCC
C18
10
μF
C17
1000 pF
C19
0.1
μF
C16
33 pF
C22
10
μF
C21
1000 pF
C23
0.1
μF
C20
33 pF
L2
2.2 nH
L1
2.7 nH
P1-1
VREF
P1
1
BANANA
JACK
P2-1
VCC
P2
1
BANANA
JACK
P3
1
BANANA
JACK
GND
3809401-
C5
Open
C6
3.3 pF
L3
47 nH
C12
33 pF
C3
5.1 pF
C1
1 pF
J1
RF IN
R1
750
Ω
C26
33 pF
50
Ω μstrip
1
2
3
4
8
7
6
5
PACKAGE BASE
GND
Bias
Circuit
C2
10 pF
C4
0.5 pF
J2
RF OUT
50
Ω μstrip
C9
Open
C8
Open
C10
Open
C7
Open
C24
100 pF
C25
0.1
μF
R2
750
Ω
R3
Open
R4
Open
R5
Open
C13
1000 pF
C14
10
μF
C15
0.1
μF
VREF
C11
10 pF
VCC
C18
10
μF
C17
1000 pF
C19
0.1
μF
C16
33 pF
C22
10
μF
C21
1000 pF
C23
0.1
μF
C20
33 pF
L2
1.8 nH
L1
2.2 nH
P1-1
VREF
P1
1
BANANA
JACK
P2-1
VCC
P2
1
BANANA
JACK
P3
1
BANANA
JACK
GND
3809402-
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