RF3108PCBA-41X RFMD [RF Micro Devices], RF3108PCBA-41X Datasheet - Page 7

• Manufacturer Part Number: RF3108PCBA-41X
• Description: TRIPLE-BAND GSM/DCS/PCS POWER AMP MODULE
• Manufacturer: RFMD [RF Micro Devices]

Rev A7 051003
DCS/PCS
VAPC2
DCS/PCS
DCS/PCS
RF IN
DCS/
PCS
VAPC1
VAPC2
GSM
RF IN
RF IN
GSM
VAPC1
GSM
J1
J5
RF IN
GSM
J6
VCC
J3
V
CC
50 Ω μstrip
50 Ω μstrip
50 Ω μstrip
50 Ω μstrip
50 Ω μstrip
50 Ω μstrip
50 Ω μstrip
10 nF
10 nF
10 nF
180 Ω
C3*
C7
C6
R1
V
CC
1 nF
C1*
VCC
Evaluation Board Schematic
1
2
3
4
5
6
7
10 nF
C2*
1
2
3
4
5
6
7
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.
Application Schematic
Components with (*) following the reference designator
should not be populated on the evaluation board.
14
13
12
11
10
9
8
14
13
12
11
10
9
8
3108400B
CON1
P1
1
1 μF
C5
(0.25 typical microstrip loss)
(0.15 typical microstrip loss)
GND
50 Ω μstrip
μF
50 Ω μstrip
1
50 Ω μstrip
50 Ω μstrip
P2-1
RF3108
3.3 μF
C4
CON1
4.7
P2
μF
1
VCC
V
+
CC
VCC
RF OUTPUT
RF OUTPUT
RF OUTPUT
RF OUTPUT
PCS/DCS
PCS/DCS
GSM
GSM
J2
J4
2-397