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RF5122 Datasheet, PDF (7/11 Pages) RF Micro Devices – 3V TO 3.6V, 2.4GHz TO 2.5GHz LINEAR POWER AMPLIFIER
RF5122
Evaluation Board Schematic
P1
1 GND
P1-2 2 VCC
P1-3 3 VCC
P2-3
P2
3 VREG
P3-3 2 PDETECT
1 GND
J1
RF IN
50  strip
R1
0
VREG
C2
1 nF
8
1
Input
Match
2
VCC
C1
1 F
Interstage
Match
Bias Circuit
L1
27 nH
C3
N 1 F
7
IG L2
0
6
S Output
Match
E Power
5
D Detector
50  strip
J4
RF OUT
NOT
C6
330 pF
3
4
*Pin 4 should be left as a
Wno-connect on the PCB.
NOTE:
EThe RF5122 evaluation board layout and schematic are available
R2
using 0201 (US) size components which will help shrink the overall
0
size of the total area of the PA and components of this intended
N design. Please contact RFMD Sales or Application Engineering for
FORPDETECT
additional data and guidance.
DS110617
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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