CGH40120F-TB Cree Inc, CGH40120F-TB Datasheet - Page 8

• Manufacturer Part Number: CGH40120F-TB
• Description: BOARD DEMO AMP CIRCUIT CGH40120
• Manufacturer: Cree Inc
• Type: HEMTr

Specifications of CGH40120F-TB

• Mfg Application Notes: Thermal Performance Guide
• Frequency: 0Hz ~ 4GHz
• For Use With/related Products: CGH40120F
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Thermal Resistance as a Function of Pulse Width
Source and Load Impedances
Copyright © 2008-2011 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.
8
CGH40120F Rev 2.2
Note 1: This heating curve assumes zero power dissipation during the “off”
Note 2: This data is for transient power dissipation at 230 W, Duty Cycle = 10 %.
portion of the duty cycle.
Note 1. V
Note 2. Optimized for power gain, P
Note 3. When using this device at low frequency, series resistors should
be used to maintain amplifier stability.
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
Frequency (MHz)
1.00E-08
1000
1500
2000
2500
3000
DD
500
Z Source
= 28V, I
1.00E-07
1.00E-06
DQ
= 1.0 A in the 440193 package.
G
Pulse Length (seconds)
1.00E-05
0.81 + j0.18
0.75 - j1.56
1.2 - j4.43
1.09 - j5.9
Z Source
0.84 - j3
2 + j3.3
1.00E-04
SAT
and PAE.
D
S
1.00E-03
1.00E-02
Z Load
5.14 + j0.04
4.68 - j0.26
3.44 - j0.77
2.34 - j0.95
3.06 - j3.82
2.7 - j2.56
Z Load
1.00E-01
1.00E+00
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