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The AB-C Doherty power amplifier. Part II: Validation

✍ Scribed by Paolo Colantonio; Franco Giannini; Rocco Giofrè; Luca Piazzon

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
473 KB
Volume
19
Category
Article
ISSN
1096-4290

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✦ Synopsis

In part I, the complete theoretical (and nonlinear) analysis of a Doherty amplifier employing a Class AB bias condition for the Main Amplifier and a Class C one for the Auxiliary device has been presented. In this article, the experimental validation of the proposed theory is presented, describing the step-by-step procedure to be adopted when designing an AB-C Doherty. The amplifier was realized at 2.14 GHz in hybrid form using two (0.5 lm, 1 mm gate periphery) GaN HEMTs. V

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