CGH35030F Datasheet, PDF (3/8 Pages) Cree, Inc – 30 W, 3300-3900 MHz, 28V, GaN HEMT for WiMAX

Typical WiMAX Performance
Typical EVM and Efficiency at 21 dBm and 36 dBm vs Frequency of
CGH35030F in Broadband Amplifier Circuit
3.5
28
3.0
24
2.5
20
2.0
16
1.5
12
EVM @ 21dBm
1.0
EVM @ 36dBm
8
Efficiency
0.5
4
0.0
0
3.3
3.4
3.5
3.6
3.7
Frequency (GHz)
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.
Gain and Return Loss vs Frequency of CGH35030F in Broadband Amplifier Circuit
V_DD = 28 V, I_DQ = 120 mA, OFDM BW = 3.5 MHz
15
8
13
6
11
4
9
2
7
0
S21
5
-2
S11
3
-4
1
-6
-1
-8
-3
-10
-5
-12
-7
-14
-9
-16
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Frequency (GHz)
Copyright © 2005-2007 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.

CGH35030F Rev 1.4 Preliminary
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: [phone]
Fax: [phone]
www.cree.com/wireless