2.4 GHz High-Power and High-Gain Power Amplifier
SST12LP15A
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
TEST CONDITIONS: VCC = 3.3V, TA=25°C, 1 MBPS 802.11B CCK SIGNAL
10
0
Freq = 2.412 GHz
Freq = 2.442 GHz
Freq = 2.484 GHz
-10
-20
-30
-40
-50
-60
-70
-80
2.35
2.40
2.45
2.50
2.55
Frequency (GHz)
FIGURE 12: 802.11b Spectrum Mask at 25 dBm, DC current 350 mA
0.1 µF
10 µF
Vcc
100pF
100pF
12nH/0805 Inductor
13
16
15
14
1
12
2
3
4
11
10
50Ω /85mil
50Ω/120mil
50Ω RFout
50Ω RFin
2.7pF
2.2nH*
Biascircuit
7
9
Suggested operation conditions:
1 V = 3.3V
5
6
8
CC
2. Center slug to RF ground
3. VREG1=VREG2=2.90V with
R1=169Ω and R2=140Ω
* Could be removed if -7 dB
return loss is acceptable
R3 100Ω
0.1 µF
100pF
R1 169Ω
100pF
R2 140Ω
10pF
10pF
Det_ref
Det
VREG1 VREG 2
1291 Schematic.0.6
FIGURE 13: Typical Schematic for High-Power, High-Efficiency 802.11b/g Applications
©2006 SST Communications Corp.
S71291-02-000
7/06
9
SST [ SILICON STORAGE TECHNOLOGY, INC ]
