RF3108 データシートの表示（PDF） - RF Micro Devices
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RF3108 Datasheet PDF : 10 Pages
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Application Schematic
VCC
RF3108
DCS/PCS
RF IN
50 Ω μstrip
DCS/
PCS
VAPC2
50 Ω μstrip
GSM
VAPC1
GSM
RF IN
50 Ω μstrip
VCC
1
14
2
13
3
12
4
11
5
10
6
9
7
8
Note: Add the typical microstrip loss to the output
power measured at the output connector of
evaluation board to calculate the actual power at
the RF3108 module output pin.
50 Ω μstrip
PCS/DCS
(0.25 typical microstrip loss) RF OUTPUT
VCC
1
4.7
μF
μF
50 Ω μstrip
GSM
(0.15 typical microstrip loss) RF OUTPUT
J1
DCS/PCS
RF IN
J5
DCS/PCS
VAPC2
J6
GSM
VAPC1
J3
GSM
RF IN
VCC
Evaluation Board Schematic
VCC
C1*
1 nF
C2*
10 nF
P1
P2
1 GND P2-1 1 VCC
CON1
CON1
50 Ω μstrip
1
2
50 Ω μstrip
3
C7
10 nF
4
50 Ω μstrip
5
C6
10 nF
6
50 Ω μstrip
7
R1
180 Ω
50 Ω μstrip
J2
14
PCS/DCS
RF OUTPUT
13
12
11
C5
10
1 μF
VCC
C4 +
3.3 μF
9
50 Ω μstrip
J4
8
GSM
RF OUTPUT
3108400B
C3*
10 nF
Components with (*) following the reference designator
should not be populated on the evaluation board.
Rev A7 051003
2-397
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