Specifications and information are subject to change without notice

TriQuint Semiconductor, Inc

• Phone 1-408-577-6300 • FAX: 408-577-6633 • e-mail: info-sales@tqs.com • Web site: www. TriQuint.com

Page 9 of 15 May 2009

AP561

0.7-2.9 GHz WiMAX 8W Power Amplifier

2.3-2.4 GHz Reference Design

Typical O-FDMA Performance at 25

°C

Frequency (GHz)

2.3

2.35

2.4

Units

Channel Power

+30

+30

+30

dBm

Power Gain

14.5 14.5

14

dB

Input Return Loss

12

16

20

dB

Output Return Loss

7.3

7.6

6.8

dB

EVM

1.9

1.6

1.6

%

Operating Current, Icc 515

490

475

mA

Collector Efficiency

16

16.8

17.8

%

Output P1dB

39.7

39

38

dBm

Quiescent Current, Icq

300

mA

Vpd

+5

V

Vcc

+12

V

Notes:

1.

The primary RF microstrip line is 50

Ω.

2.

Do not exceed 5.5V on Vpd or damage to D1 will occur.

3.

Do not exceed 13V on Vcc or damage to D2 will occur.

4.

Components shown on the silkscreen but not on the schematic are not used.

5.

6.

The edge of C26 is placed next to the edge of C25.

7.

8.

9.

The edge of C23 is placed next to the edge of C24.

10. 0

Ω jumpers can be replaced with copper trace in target application.

2.3-2.4 GHz Application Circuit Performance Plots

802.16-2004 O-FDMA, 64QAM-1/2, 1024-FFT, 20 symbols and 30 subchannels. 9.5 dB PAR @ 0.01%, 5 MHz Carrier BW

Gain vs. Frequency

T=25°C

10

11

12

13

14

15

2.25

2.30

2.35

2.40

2.45

Frequency (GHz)

Return Loss

T=25°C

-30

-25

-20

-15

-10

-5

0

2.25

2.30

2.35

2.40

2.45

Frequency (GHz)

S11

S22

Efficiency vs Output Average Power vs. Frequency

T=25°C

0

5

10

15

20

22

23

24

25

26

27

28

29

30

31

32

Output Power (dBm)

2.3 GHz

2.35 GHz

2.4 GHz

Current vs Output Average Power vs. Frequency

T=25°C

100

200

300

400

500

600

22

23

24

25

26

27

28

29

30

31

32

Output Power (dBm)

2.3 GHz

2.35 GHz

2.4 GHz

EVM vs. Output Average Power vs. Frequency

T=25°C

0

1

2

3

4

5

22

24

26

28

30

32

Output Power (dBm)

2.3 GHz

2.35 GHz

2.4 GHz