Preliminary Specifications

2.4 GHz High-Power, High-Gain Power Amplifier

SST12LP14A

15

©2005 SST Communications Corp.

S71300-02-000

3/06

FIGURE 19: Typical Schematic for High-Power/High-Efficiency 802.11b/g Applications

50

Ω/225 mil*

RFOUT 50

Ω

100 pF

47 pF

2.4 pF

50

Ω / 120 mil

50

Ω RFin

VREG

10 µF

0.1 µF

Vcc

15 nH / 0805

R1 = 110

Ω

0.1 µF

Det

10 pF

1300 Schematic 1.1

Suggested operation conditions:

2. Center slug to RF ground

3. VREG=2.85V with R1=110

Ω

* Can be replaced by a ~1.2 nH

chip inductor for compactness

47 pF

2.0 pF

0.1 µF

R2 = 50

Ω

2

56

8

16

15

1

14

49

11

12

10

13

3

Bias Circuit

7