CGH21240F Cree, Inc., CGH21240F Datasheet - Page 6

• Manufacturer Part Number: CGH21240F
• Description: 240 W, 1800-2300 Mhz, Gan Hemt For Wcdma, Lte, Wimax
• Manufacturer: Cree, Inc.

Typical WCDMA Digital Pre-Distortion (DPD) Performance
Copyright © 2009 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.
6
CGH21240F Rev 0.2 Preliminary
of the CGH21240F measured in CGH21240F-TB Amplifier Circuit.
of the CGH21240F measured in CGH21240F-TB Amplifier Circuit.
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-10
-20
-30
-40
-40
-50
-60
-70
-80
WCDMA Characteristics with and without DPD Correction
0
2.125
V
32
DS
= 28 V, I
V
Single Channel WCDMA 6.5dB PAR with CFR
Single Channel WCDMA 6.5dB PAR with CFR
34
DS
ACLR and Drain Efficiency vs Output Power
Uncorrected
DPD Corrected
Uncorrected -ACLR
Corrected -ACLR
Uncorrected Drain Eff
2.130
= 28 V, I
WCDMA Linearity with DPD Linearizer
DS
36
= 1.0 A, P
2.135
DS
38
= 1.0 A, Frequency = 2.14 GHz
Output Power (dBm)
Frequency (GHz)
Uncorrected +ACLR
Corrected +ACLR
Corrected Drain Eff
AVE
2.140
40
= 46 dBm, Efficiency = 30 %
42
2.145
44
2.150
46
2.155
48
45
40
35
30
25
20
15
10
5
0
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www.cree.com/wireless
Fax: [phone]
Durham, NC 27703
4600 Silicon Drive
Cree, Inc.