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RF2138 데이터 시트보기 (PDF) - RF Micro Devices
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RF2138
3V GSM POWER AMPLIFIER
RF Micro Devices
RF2138 Datasheet PDF : 10 Pages
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RF2138
Application Schematic
V
CC
1 nF
120 pF
Very close to
pins 15/16
Instead of a
stripline an inductor
of ~10 nH can be
used
2
4.3 pF
V
CC
.040"
1 16 15 14 13
2
12
Quarter Wave
Length
33 pF
Instead of a
stripline an
inductor of 4.7 nH
can be used
RF IN
3
1 nF
180
Ω
4
50
Ω µ
strip
33 pF
11
RF OUT
18 pF
5.6 pF
10
V
CC
10 nH
56789
33 pF
33 pF
V
CC
Spacing between
edge of device and
capacitor 0.062"
33 pF
Distance center to
center of capacitors
0.416"
33 pF
Note: All capacitors are standard 0402 multi layer
APC
Internal Schematic
VCC1
5
Ω
4.5 pF
VCC2
RF OUT
RF IN
5
Ω
1.6k
Ω
APC1
APC1
1k
Ω
VCC
APC2
300
Ω
VCC
2-124
GND1
GND2
PKG BASE
Rev A9 011031
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