DATA SHEET • SKY65174-21: WLAN PAM

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

8

November 19, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201428F

S2256

RF_IN

RF Input

GND

VCC

GND

VDET

VREF2

VREF1

GND

GND

RF_OUT

1

2

3

4

5

10

9

8

7

6

RF Output

Reference

Voltage 2 (2.85 V)

Reference

Voltage 1 (2.85 V)

Supply Voltage

C2

2.2

μF

C16

47 pF

Power Detector

C9

100 pF

R1

2.4 k

Ω

C17

DNI

C19

2200 pF

C1

220 pF

C13

22 pF

Figure 13. SKY65174-21 Application Schematic for Both 3.3 V and 5 V Operation

S2843

RF_IN

RF Input

GND

VCC

GND

VDET

VREF2

VREF1

GND

GND

RF_OUT

1

2

3

4

5

10

9

8

7

6

RF Output

Reference

(3.1 V)

Supply Voltage

C2

2.2

μF

C16

47 pF

Power Detector

C19

100 pF

R1

2.4 k

Ω

R3

39

Ω

C17

DNI

C1

0.1

μF

C20

DNI

C13

22 pF

R2

91

Ω

Figure 14. SKY65174-21 Application Schematic for Applications That Do Not Implement Amplitude Tracking