SE2521A60

RangeCharger™ 2.4 GHz Wireless LAN Front End

177-DST-01 Rev 1.4 Apr-04-2006

Confidential

11 of 16

QA040406

802.11b Typical Performance

802.11B ACPR-Adj vs. Output Pow er over Voltage, Tem perature

(2450 MHz, 802.11b 11 Mbps Signal)

-40

-38

-36

-34

-32

-30

-28

-26

15

16

17

18

19

20

21

22

23

24

25

Output Pow er (dBm )

-40 C, 2.7 V

-40 C, 3.0 V

-40 C, 3.3 V

-40 C, 3.6 V

25 C, 2.7 V

25 C, 3.0 V

25 C, 3.3 V

25 C, 3.6 V

85 C, 2.7 V

85 C, 3.0 V

85 C, 3.3 V

85 C, 3.6 V

802.11B ACPR-Alt vs. Output Pow er over Voltage, Tem perature

(2450 MHz, 802.11b 11Mbps Signal)

-70

-65

-60

-55

-50

-45

-40

15

16

17

18

19

20

21

22

23

24

25

Output Pow er (dBm )

-40 C, 2.7 V

-40 C, 3.0 V

-40 C, 3.3 V

-40 C, 3.6 V

25 C, 2.7 V

25 C, 3.0 V

25 C, 3.3 V

25 C, 3.6 V

85 C, 2.7 V

85 C, 3.0 V

85 C, 3.3 V

85 C, 3.6 V

(a)

(b)

Figure 12: 802.11b Typical ACPR Performance over Voltage and Temperature (11 Mbps, CCK, BT = 0.45) (a)

802.11b ACPR-ADJ vs. POUT and (b) 802.11b ACPR-ALT vs. POUT

2nd Harm onic vs. Output Pow er over Tem perature

(3.3 V, 2450 MHz, 802.11b 1Mbps CCK Signal)

-70

-65

-60

-55

-50

-45

-40

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

Output Pow er (dBm )

-40 C

25 C

85 C

3rd Harm onic vs. Output Pow er over Tem perature

(3.3 V, 2450 MHz, 802.11b 1Mbps CCK Signal)

-80

-75

-70

-65

-60

-55

-50

-45

-40

-35

-30

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

Output Pow er (dBm )

-40 C

25 C

85 C

Figure 13: 802.11b Typical Harmonic Performance over Temperature (1 Mbps, CCK) (a) 2

Harmonic

CW Typical Performance

P1dB vs. Frequency over Tem perature (3.3 V, CW)

24

24.5

25

25.5

26

26.5

27

2400

2420

2440

2460

2480

2500

Frequency (MHz)

-40 C

25 C

85 C

Sm all Signal Gain vs. Frequency over Tem perature (3.3 V, CW)

25

26

27

28

29

30

31

32

33

2400

2420

2440

2460

2480

2500

Frequency (MHz)

-40 C

25 C

85 C

(a)

(b)

Figure 14: Typical CW Performance over Temperature (a) P1dB vs. Frequency, (b) Gain vs. Frequency