CGH27060F_15 Datasheet, PDF (3/12 Pages) Cree, Inc – 60 W Peak, 28V, GaN HEMT for Linear Communications from VHF to 3 GHz

Typical WiMAX Performance
Figure 1.- Gain and Return Loss vs Frequency measured in Broadband
Amplifier Circuit CGH27060F-AMP, V_DD = 28 V, I_DQ = 300 mA
20
2
S21
18
0
S11
16
-2
S21
14
-4
12
-6
10
-8
8
-10
S11
6
-12
4
-14
2
-16
0
-18
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
Frequency (GHz)
Figure 2.- Typical EVM at 24 dBm and 39 dBm vs Frequency measured
in Broadband Amplifier Circuit CGH27060F-AMP
6.0
36%
5.5
33%
5.0
30%
4.5
27%
Drain
4.0
Efficiency
24%
3.5
21%
3.0
18%
2.5
15%
2.0
EVM
1.5
EVM @ 26 dBm
1.0
EVM @ 39 dBm
0.5
Efficiency
12%
9%
6%
3%
0.0
0%
2.3
2.4
2.5
2.6
2.7
Frequency (GHz)
Note:
Under 802.16-2004 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.
Copyright © 2007-2015 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.
3
CGH27060F Rev 5.0
Cree, Inc.
4600 Silicon Drive
Durham, North Carolina, USA 27703
USA Tel: [phone]
Fax: [phone]
www.cree.com/rf