RF7222 Datasheet, PDF (5/7 Pages) RF Micro Devices – 3V W-CDMA BAND 2 LINEAR PA MODULE

RF7222
Preliminary Application Schematic
VBAT
1
C5
C7²
4.7uF
10nF
J1
2
RF IN
10
C8²
9
J2
10nF
RF OUT
VMODE1
C9²
10nF
VMODE0
C10²
10nF
VEN
3
Bias Control &
4
PA/VMODE Enable
5
C11²
10nF
8
R2³
7
50 
6
J3
CPL OUT
VCC
C6
4.7uF
C4
22uF
Notes:
1. Place these capacitors as close to PA as possible.
2. 50  resistor will be removed if pin 8 is connected to another coupler. Coupler Directivity can be improved with R2 = 33
Prelim DS110228
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