RF3140PCBA-41X Ver la hoja de datos (PDF) - RF Micro Devices
Número de pieza
componentes Descripción
Fabricante
RF3140PCBA-41X Datasheet PDF : 16 Pages
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Application Schematic
RF3140
DCS/PCS IN
50 Ω μstrip
12
1
BAND SELECT
2
TX ENABLE
3
VBATT
4
VREG
VRAMP
GSM850/GSM900 IN
5
15 kΩ**
6
50 Ω μstrip
7
8
** Used to filter noise and spurious from base band.
50 Ω μstrip
11
DCS/PCS OUT
10
50 Ω μstrip
9
GSM850/GSM900 OUT
J2
DCS/PCS IN
BAND SELECT
TX ENABLE
VBAT
VREG
VRAMP
J3
GSM IN
50 Ω μstrip
R6*
180 Ω
Evaluation Board Schematic
VCC
P1-1
C3
33 pF
C2
22 μF
P1
1
+ CON1
VBAT
C4
8.2 pF
(±0.1 pF 50 V)
1
R3
100 kΩ
2
3
4
5
C1
10 nF
6
7
R4
100 kΩ
R1
15 kΩΩ
50 Ω μstrip
R7*
180 Ω
P2
1 GND
CON1
12
50 Ω μstrip
11
J7
DCS/PCS OUT
10
VCC
9
50 Ω μstrip
J8
GSM OUT
8
3140400 r-
*Should not be populated on the evaluation board.
VCC
Rev A9 DS060217
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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