CGH09120F Cree, Inc., CGH09120F Datasheet - Page 6

• Manufacturer Part Number: CGH09120F
• Description: 120 W, Uhf - 2.5 Ghz, Gan Hemt For Wcdma, Lte, Mc-gsm
• 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
CGH09120F Rev 0.2 Preliminary
of the CGH09120F measured in CGH09120F-TB Amplifier Circuit.
of the CGH09120F measured in CGH09120F-TB Amplifier Circuit.
WCDMA Characteristics with and without DPD Correction
-10
-20
-30
-40
-50
-50
-60
-70
-80
-90
-20
-25
-30
-35
-40
-45
-45
-50
-55
-60
-65
-70
V
840
DS
24
= 28 V, I
V
ACLR and Drain Efficiency vs Output Power
DS
Two Channel WCDMA 7.5dB PAR with CFR
Two Channel WCDMA 7.5dB PAR with CFR
Uncorrected -ACLR
Corrected -ACLR
Uncorrected Drain Eff
Uncorrected
= 28 V, I
WCDMA Linearity with DPD Linearizer
ACLR
850
Uncorrected
DPD Corrected
DS
29
= 1.0 A, P
DS
860
= 1.0 A, Frequency = 870 MHz
Output Power (dBm)
Frequency (MHz)
Uncorrected +ACLR
Corrected +ACLR
Corrected Drain Eff
Corrected
OUT
34
ACLR
870
= 43 dBm, Efficiency = 35 %
880
39
Drain
Efficiency
890
44
900
50
45
40
35
30
25
25
20
15
10
5
0
USA Tel: [phone]
www.cree.com/wireless
Fax: [phone]
Durham, NC 27703
4600 Silicon Drive
Cree, Inc.