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4-634
RF3802
Rev A6 050609
Evaluation Board Schematic
GSM850 (869MHz to 894MHz)
Evaluation Board Schematic
GSM900 (920MHz to 960MHz)
VCC
L5
6.8 nH
C46
0.1
μF
C43
33 pF
C12
1.5 pF
C15
3.6 pF
L4
33 nH
R7
DNI
R8
DNI
VBIAS
3802400 r.-
Bias
Circuit
1
2
3
4
8
7
6
5
C35
33 pF
C33
0.1
μF
R4
360
Ω
R5
360
Ω
C39
1000 pF
C38
33 pF
C41
0.1
μF
VREF
C20
DNI
C19
DNI
50
Ω μstrip
J1
RF IN
C28
3.6 pF
C18
DNI
C45
10
μF
+
C44
1000 pF
C8
DNI
C9
2.7 pF
C14
15 pF
C16
6.8 pF
L2
33 nH
C13
33 pF
C10
DNI
J2
RF OUT
50
Ω μstrip
C5
1000 pF
C7
33 pF
C11
0.1
μF
C6
10
μF
+
C48
33 pF
C49
1000 pF
C51
0.1
μF
C27
27 pF
R10
1.2
Ω
C34
10
μF
+
C50
10
μF
+
C40
10
μF
+
P1
1
BANANA JACK
P1-1
VREF
P4
1
BANANA JACK
GND
P2
1
BANANA JACK
P2-1
VCC
P3
1
BANANA JACK
P3-1
VBIAS
VCC
L5
6.8 nH
C46
0.1
μF
C43
33 pF
C12
1.5 pF
C15
2 pF
L4
33 nH
R7
Open
R8
Open
VBIAS
3802401 r.-
Bias
Circuit
1
2
3
4
8
7
6
5
C35
33 pF
C33
0.1
μF
R4
360
Ω
R5
360
Ω
C39
1000 pF
C38
33 pF
C41
0.1
μF
VREF
C20
Open
C19
Open
50
Ω μstrip
J1
RF IN
C28
3.6 pF
C18
Open
C45
10
μF
+
C44
1000 pF
C8
Open
C9
1 pF
C14
15 pF
C16
6.8 pF
L2
33 nH
C13
27 pF
C10
Open
J2
RF OUT
50
Ω μstrip
C5
1000 pF
C7
33 pF
C11
0.1
μF
C6
10
μF
+
C48
33 pF
C49
1000 pF
C51
0.1
μF
C27
22 pF
R10
1.2
Ω
C34
10
μF
+
C50
10
μF
+
C40
10
μF
+
P1
1
BANANA JACK
P1-1
VREF
P4
1
BANANA JACK
GND
P2
1
BANANA JACK
P2-1
VCC
P3
1
BANANA JACK
P3-1
VBIAS
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