2.4 GHz Power Amplifier
SST12LP14
Preliminary Specifications
FIGURE 12: 802.11
B
S
PECTRUM AT
24
D
B
M
, DC
CURRENT CONSUMPTION
280
M
A
100pF
0.1 µF
0.1 µF
4.7 µF
Vcc
12nH/06
03
16
15
14
13
1
12
100pF
50
Ω
RFin
50
Ω
/150mil
2
11
50 /140mil
100pF 50
Ω
RFOUT
2.0pF
3
Bias circuit
4
5
6
7
8
10
2.4pF
9
0.1 µF
10pF
R1 120
Ω
10pF
R2 360*
Ω
10pF
10pF
R1=120Ω, R2=360 and
VREG1=VREG2=2.8~3.0V
or
R1=220Ω, R2=590 and
VREG1=VREG2=2.9~3.3V
1279 Schematic.0.1
VREG1
VREG2
Det_ref
Det
FIGURE 13: T
YPICAL
S
CHEMATIC FOR
H
IGH
-P
OWER
, H
IGH
-E
FFICIENCY
802.11
B
/
G
A
PPLICATIONS
©2005 SST Communications Corp.
S71279-00-000
1/05
9