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