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Part Name
Description
RF2140 View Datasheet(PDF) - RF Micro Devices
Part Name
Description
Manufacturer
RF2140
3V DCS POWER AMPLIFIER
RF Micro Devices
RF2140 Datasheet PDF : 12 Pages
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RF2140
Application Schematic
Instead of a
stripline an inductor
V
CC
of ~6 nH can be
used
2
1 nF
15pF
V
CC
Very close to pin 15/16
AT_EN
1.0 pF
1 16 15 14 13
AT_EN
2
12
15 pF
Instead of a
stripline an
Quarter wave
inductor can be
length
used
RF IN
RF IN
3
15 pF GND1
4
RF OUT
11
10
50
Ω µ
strip
5.1 pF
Note 1
15 pF
1.0 pF
Note 1
RF OUT
56789
Distance between
3.9
Ω
edge of device
and capacitor is
V
CC
15
0.240" to improve
pF
the "off" isolation
15
pF
V
CC
15 15
pF pF
APC
Distance between
edge of device
and capacitor is
0.080"
Distance center to
center of
capacitors is
0.220"
Note: All capacitors are standard
0402 multi layer chip
Note 1: Using a hi-Q capacitor
will increase efficiency slightly
Internal Schematic
VCC1
VCC2
RF OUT
RF IN
VCC
750
Ω
500
Ω
APC1
5k
Ω
AT_EN
2k
Ω
1.5k
Ω
320
Ω
2.5k
Ω
APC1
500
Ω
VCC
2.5k
Ω
APC2
200
Ω
VCC
1.5k
Ω
GND1
GND2
PKG BASE
2-136
Rev A12 011031
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