Typical Performance
Swept CW Data of CGH4000F vs. Output Power with Source
and Load Impedances Optimized for Drain Efficiency at 2.0 GHz
V
DD
= 28 V, I
DQ
= 200 mA, Freq = 2.0 GHz
18
80
70
60
50
40
30
20
13
10
0
26
28
30
32
34
36
38
40
42
(Drain Efficiency) (%)
(Drain Efficiency) (%)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/wireless
17
16
Gain (dB)
15
14
12
Pout (dBm)
Swept CW Data of CGH4000F vs. Output Power with Source
and Load Impedances Optimized for Drain Efficiency at 3.6 GHz
V
DD
= 28 V, I
DQ
= 200 mA, Freq = 3.6 GHz
16
80
72
15
64
56
48
13
40
32
12
24
16
8
10
23
25
27
29
31
33
35
37
39
41
43
0
14
Gain (dB)
11
Pout (dBm)
Copyright © 2006-2007 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.
3
CGH4000 Rev .4 Preliminary
CREE [ CREE, INC ]
