SE2525L

RangeCharger™ 2.4GHz Power Amplifier with Power Detector

Preliminary Information

28-DST-01 Rev 2.1 Apr-25-2006

Confidential

8 of 12

QA042506

Typical Performance Characteristics

Semiconductor’s SE2525L-EV1 evaluation board, unless otherwise noted

General

VDET vs. Output Power (Postive Slope)

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

7

9

11

13

15

17

19

21

23

25

27

Output Power (dBm)

External Coupling

Internal Coupling

VDET vs. Output Power (Negative Slope)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

7

9

11

13

15

17

19

21

23

25

Output Power (dBm)

External Coupling

Internal Coupling

Figure 5: SE2525L Power Detector Response (Positive Slope, Negative Slope)

Output Power, Icc vs. CW Input Power Sweep vs. Frequency

0

5

10

15

20

25

30

-25

-23

-21

-19

-17

-15

-13

-11

-9

-7

-5

-3

Input Power (dBm)

0

0.1

0.2

0.3

0.4

0.5

0.6

Pout 2400 MHz

Pout 2450 MHz

Pout 2500 MHz

Icc 2400 MHz

Icc 2450 MHz

Icc 2500 MHz

2nd, 3rd Harmonic vs. Output Power vs. Frequency

-65

-60

-55

-50

-45

-40

-35

-30

-25

-20

15

16

17

18

19

20

21

22

23

24

25

26

27

Output Power (dBm)

2nd Harmonic 2400 MHz

2nd Harmonic 2450 MHz

2nd Harmonic 2500 MHz

3rd Harmonic 2400 MHz

3rd Harmonic 2450 MHz

3rd Harmonic 2500 MHz

Figure 6: SE2525L CW Sweep and 2nd, 3rd Harmonics