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RF2140 Datasheet(PDF) 9 Page - RF Micro Devices

Part # RF2140
Description  3V DCS POWER AMPLIFIER
PDF  12 Pages
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Manufacturer  RFMD [RF Micro Devices]
Direct Link  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF2140 Datasheet(HTML) 9 Page - RF Micro Devices

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2-137
RF2140
Rev A12 011031
2
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
1
2
3
4
5
13
12
11
10
9
AT_EN
RF IN
GND1
RF OUT
678
16
14
15
C1
33 pF
C11
33 pF
C13
33 pF
C14
33 pF
C15
33 pF
C3**
50
Ωµstrip
.150"
C4**
C2
33 pF
Quarter wave
length
C9
33 pF
C8
1nF
C10 *
0.9 pF
C6
1nF
C5 *
12pF
C16
1nF
C17
1nF
C7
3.3
µF
C12
1nF
C18
3.3
µF
J1
RF IN
J2
RF OUT
P1-1
P1-3
P1-1
P1
ENABL
VCC
1
2
3
GND
P1-3
P1-3
P1-3
Schematic 2140400 Rev A
Board 2140410 Rev A
Capacitors are 0402.
*Murata GRM36COG series
** Johanson 500R07F series
All others are Panasonic ECU series
C20
3.3
µF
package
edge to
inside C3
.050"
C19
3.3
µF
C21
1nF
C22
1nF
R1
3.9
Ω
R3
0
Ω
J3
V
APC
C3 (pF)
C4 (pF)
C23 (pF)
5.1
N/I
1.8
N/I
N/I
3.9
0.5
1.2
0.5
0.6
C24 (pF)
C25 (pF)
DCS
Band
PCS
C23**
C24**
C25



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