RF5125 RF Micro Devices, RF5125 Datasheet - Page 7

• Manufacturer Part Number: RF5125
• Description: LINEAR POWER AMPLIFIER
• Manufacturer: RF Micro Devices

Rev A23 DS070515
RF IN
J1
50 Ω μstrip
5125400, r.-
1
1
1 nF
C1
1
2
3
4
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1 nF
C2
16
0 Ω
5
R1
VREG1
15
6
1
7.5 nH
R3*
Evaluation Board Schematic
27 Ω
L1
VREG2
VCC
14
7
68 Ω
R2
1 μF
1 nF
C6
C3
1
13
8
1
Notes:
1. Pins 1, 4, 13, and 15 may be left as No Connect.
2. For V
3. For V
12
11
10
R3 may be used to connect the V
2.2 pF capacitor, 101 mils from the IC. C11 not populated.
2.2 pF capacitor, 115 mils from the IC. C10 not populated.
9
CC
CC
= 3.3 V
= 5.0 V
V
see note
330 pF
CC
6.8 nH
Coilcraft
C11
TL
C9
3.3
5.0
L2
(V
DC
DC
3
DC
operation, C10 is to be populated with a
operation, C11 is to be populated with a
)
C10 (pF)
DNP
see note
1 μF
2.2
C10
C7
TL
TL = 101 mils (50 Ω) from IC
2
REGS
C11 (pF)
DNP
with a 0Ω resistor.
2.2
10 pF
C12
TL = 115 mils (50 Ω) from IC
P1-1
50 Ω μstrip
4.7 μF
C8
P2-1
P2-3
P2-4
P3-1
RF5125
HDR_1x4
P2
P1
P3
P4
PDETECT
1
2
3
4
RF OUT
1
2
1
1
J2
PDETECT
GND
VREG2
VREG1
VCC
GND
VCC
GND
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