RF5125_11 Datasheet, PDF (7/15 Pages) RF Micro Devices – LINEAR POWER AMPLIFIER

RF5125
J1
RF IN
Evaluation Board Schematic - 5V
VCC
R4 R5
C6
1.8 k 56 
1 F
C1
L1
1 nF
7.5 nH
R6
3
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
2
11
50 strip
3
10
L2
6.8 nH
Coilcraft
TL
C10
1.5 pF
TL = 90 mils (50 ) from IC
(Measured to the center of C10 pad)
TL = 200 mils (50 ) from IC
(or 55 mils from center of C13 pad to
center of C11 pad)
TL
TL
J2
C13
DNP*
C11
1.0 pF
C12
10 pF
50 strip
RF OUT
1₄
5
6
5125400, r.-
C2
1 nF
VREG1 and 2
9
7
8
C3
1 nF
C9
330 pF
R2
0  ^Notes:
1. Pins 1, 4, 13, and 15 may be left as No Connect.
P1-1
C8
4.7 F
PDETECT
P1
1 VCC
2 GND
*DNP=Do Not Place
2. C2 and C3 bypass caps can be removed if
VREG1 and VREG2 are supplied with clean
voltages.
P3
P3-1 1 VCC
P4
1 GND
DS110617
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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