RF5112 Datasheet, PDF (8/19 Pages) RF Micro Devices – 3V TO 5V, 2.4GHz TO 2.5GHz LINEAR POWER AMPLIFIER

RF5112
J1
RF IN
Evaluation Board Schematic - 3.3V
VCC
R4 R5
C6
1.8k  10 
1 F
C1
L1
1 nF
7.5 nH
C7
1 F
P2
P2-1 1 PDETECT
2 GND
P2-3 3 VREG2
P2-4 4 VREG1
HDR_1x4
1
1
16 15 14 13
1₁
12
L2
6.8 nH
Coilcraft
TL = 112 mils (50 ) from IC
(Measured to center of C10 pad)
2
50 strip
3
11
TL
TL
J2
C10
C11
C12
50 strip
RF OUT
2.7 pF
DNP ^{10 pF}
10
1₄
5
6
5125400, r.-
C2
1 nF
VREG1 and 2
9
7
8
C3
PDETECT
1 nF
C9
P1
330 pF
P1-1
1 VCC
R2
68 
Notes:
1. Pins 1, 4, 13, and 15 may be left as No Connect.
2. C2 and C3 bypass caps can be removed if
C8
4.7 F
2 GND
VREG1 and VREG2 are supplied with clean
voltages.
*DNP=Do Not Place
P3
P3-1 1 VCC
P4
1 GND
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DS110617