3

CGH35015 Rev 4.0

Cree, Inc.

4600 Silicon Drive

Durham, North Carolina, USA 27703

USA Tel: +1.919.313.5300

Fax: +1.919.869.2733

www.cree.com/rf

Copyright © 2005-2015 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and the Cree logo are

registered trademarks of Cree, Inc.

Typical WiMAX Performance

Figure 1.- Small Signal S-Parameters vs Frequency measured in the CGH35015F-AMP

V

Figure 2.- Typical EVM and Efficiency versus Frequency measured in the CGH35015F-AMP

V

Note:

Under 802.16 OFDM, 3.5 MHz Channel BW, 1/4 Cyclic Prefix, 64 QAM Modulated Burst,

Symbol Length of 59, Coding Type RS-CC, Coding Rate Type 2/3.

20%

25%

30%

4.0

5.0

6.0

EVM and Efficiency vs. Freq.

Drain

Efficiency

0%

5%

10%

15%

0.0

1.0

2.0

3.0

3.3

3.4

3.4

3.5

3.5

3.6

3.6

3.7

3.7

3.8

3.8

Frequency (GHz)

EVM @ 24dBm

EVM @ 33dBm

Eff. @ 33dBm

EVM @

33 dBm

EVM @

24 dBm

-3

0

3

6

10

12

14

16

S21

-18

-15

-12

-9

-6

0

2

4

6

8

2.5 2.6 2.7 2.8 2.9

3

3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9

4

4.1 4.2 4.3 4.4

Frequency (GHz)

S21

S11

S11