RF5188_1 Datasheet, PDF (5/8 Pages) RF Micro Devices – 3V 1950MHZ W-CDMA LINEAR POWER AMPLIFIER MODULE

RF5188
RF IN
VMODE
1 nF
VREG
1 nF
Application Schematic
VCC BIAS
V_CC
1 nF
L2
10 ?F
16 15 14 13
1
2
3
Bias
4
12
11
Place this component
next to RF5188 with
1 nF ^{minimal trace length to}
10
the PA.
9
RF OUT
5678
Matching
Component
VCC BIAS can be connected to VCC; however, VCC must be maintained above 1.5 V.
L2 = 8.2 nH and may be needed to provide isolation between VCC1 and VCC2 depending on layout.
Circuit Optimization for Various Output Power Requirements
Output Power (dBm) Matching Component
Sample Part Number
28
12 nH
LQG15HN12NJ02D (Murata)
27.5
N/A
26.5
0.5 pF
GRM1555C1HR50BZ01E (Murata)
26
1.0 pF
GRM1555C1H1R0BZ01E (Murata)
25
1.5 pF
GRM1555C1H1R5BZ01E (Murata)
Typical Efficiency (%)
41
42
42
42
41
Rev A4 DS060310
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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