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Preliminary
2-267
RF3110
Rev A0 010921
2
Application Schematic
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
10
11
12
1
3
2
6
5
4
9
8
7
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
DCS/PCS IN
BAND SELECT
TX ENABLE
VBATT
VREG
VRAMP
GSM IN
DCS/PCS OUT
GSM OUT
180
Ω
180
Ω
15 k
Ω**
** Used to filter noise and spurious from base band.
10
11
12
1
3
2
6
5
4
9
8
7
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
BAND SELECT
TX ENABLE
VBATT
VREG
VRAMP
3.3
µF*
1nF*
*Not required in most applications
GND
P1
1
CON1
DCS/PCS IN
GSM IN
DCS/PCS OUT
GSM OUT
** Used to filter noise and spurious from base band.
180
Ω
15 k
Ω**
VCC
P2
1
CON1
P2-1
180
Ω