Typical Performance
Pulsed Gain and Output Power vs Input Power of
the CGH40045F measured in Amplifier Circuit CGH40045F-TB
VDD = 28 V, IDQ = 800 mA, Freq = 3.6 GHz, Pulse Width=200µS, ꢀ0% Duty Cycle
13
12
11
10
9
60
50
40
30
20
10
0
Gain
POUT
8
7
Input Power (dBm)
Simulated Source and Load Impedances
D
Z Source
G
Z Load
S
Frequency (MHz)
Z Source
Z Load
500
3.34 + j4.56
2.07 + j0.05
1.3 – j3.37
1.64 – j8.15
1.9 – j10.8
10.8 + j8.24
6.18 + j4.17
4.65 + j0.05
4.75 – j3.4
4.56 – j7.9
1000
2000
3000
4000
Note 1. VDD = 28V, IDQ = 800mA in the 440193 package.
Note 2. Optimized for P3dB and Drain Efficiency
Cree, Inc.
4600 Silicon Drive
Copyright © 2006-2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and
Durham, NC 27703
the Cree logo are registered trademarks of Cree, Inc.
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/wireless
4
CGH40045 Rev ꢀ.ꢀ Preliminary