RF2140 Просмотр технического описания (PDF) - RF Micro Devices
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RF2140 Datasheet PDF : 12 Pages
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RF2140
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P1-1
P1-3
Schematic 2140400 Rev A
Board 2140410 Rev A
C22
1nF
C6
C19
C5 *
1 nF
3.3 µF
12pF
C25
C9
33 pF
C8
C7
1 nF 3.3 µF
2
J1
RF IN
C21
1nF
R3
1 16
0 Ω AT_EN
2
RF IN
3
C1
GND1
33 pF
4
R1
3.9 Ω
C12
C11
56
1 nF
33 pF
C20
3.3 µF
Capacitors are 0402.
*Murata GRM36COG series
C13
33 pF
** Johanson 500R07F series
All others are Panasonic ECU series
C16
1 nF
P1-3
15 14
78
C14
33 pF
J3
VAPC
C10 *
0.9 pF
13
Quarter wave
length
12
RF OUT
11
package
10
edge to
inside C3
.050"
9
C23**
P1-1
C15
C18
33 pF 3.3 µF P1-3
50 Ω µstrip
.150"
C3**
P1
1 ENABL
2 GND
3 VCC
C17
1 nF
P1-3
C24**
C2
33 pF
C4**
J2
RF OUT
Band
DCS
PCS
C3 (pF)
5.1
3.9
C4 (pF) C23 (pF) C24 (pF) C25 (pF)
1.8
N/I
N/I
N/I
1.2
0.5
0.6
0.5
Rev A12 011031
2-137
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