SE2521A60

RangeCharger™ 2.4 GHz Wireless LAN Front End

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

Confidential

12 of 16

QA040406

IMD3 vs. Output Pow er over Tem perature (2450 MHz, 3.3 V, CW)

-80

-70

-60

-50

-40

-30

6

7

8

9

101112

13

14151617

18

192021

Output Pow er (dBm )

-40 C, IMD3

25 C, IMD3

85 C, IMD3

IMD5 vs. Output Pow er over Tem perature (2450 MHz, 3.3 V, CW)

-80

-70

-60

-50

-40

-30

6789

10

11

12

13

14

15

16

17

18

19

20

21

Output Pow er (dBm )

-40 C, IMD5

25 C, IMD5

85 C, IMD5

(a)

(b)

Figure 15: Typical CW Performance over Temperature (a) IMD3 vs. Output Power, (b) P1dB vs. Frequency

Typical Power Detector Performance

SE2521A60 Power Detector Response over Temperature and Frequency

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

2345

678

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Output Pow er (dBm )

-40C, 2400 MHz

-40C, 2450 MHz

-40C, 2500 MHz

25C, 2400 MHz

25C, 2450 MHz

25C, 2500 MHz

85C, 2400 MHz

85C, 2450 MHz

85C, 2500 MHz

Pow er Detector Response over Tem perature, Voltage (2450 MHz)

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

0

1

2

3

4

5

6

7

8

9

10

11 12

13 14

15 16

17 18

19 20

21 22

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 16: Typical Power Detector Response: (a) Over Frequency and Temperature, (b) Over Voltage and

Temperature