Dual Fed Distributed Amplifier With Controlled Termination Adjustment

Narendra, Kumar and Limiti, Ernesto and Paoloni, Claudio (2013) Dual Fed Distributed Amplifier With Controlled Termination Adjustment. Progress In Electromagnetics Research, 139. pp. 761-777. ISSN 1070-4698

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A new circuit and technique to extend the bandwidth of the Dual Fed Distributed Amplifier (DFDA) while preserving the improvement on efficiency performance in comparison to conventional distributed amplifiers (DAs) is presented. The theoretical analysis is described in detail, and a test vehicle is realized to demonstrate the effectiveness of the proposed method. Output power of ∼ 29 dBm, gain of 10 dB, covering a bandwidth from 100 to 800 MHz, with a PAE of 20– 45% is experimentally demonstrated. The results are compared with measured results of the conventional DA, demonstrating a significant improvement in bandwidth and efficiency.

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Journal Article
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Progress In Electromagnetics Research
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Deposited On:
07 Jun 2013 08:53
Last Modified:
21 Nov 2022 23:53