A Novel Integrated Doherty Power Amplifier at 28GHz

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Creator: 

Korba, Brendan Joseph

Date: 

2021

Abstract: 

This thesis proposes a novel implementation of a Doherty power amplifier as a means to improve backed off power added efficiency when compared to a class B PA. The proposed Doherty output combiner boasts a 28.5% fractional bandwidth at a center frequency of 28GHz. The proposed Doherty amplifier was laid out and manufactured in 45nm RF SOI. The simulated version has a saturated output power of 21dBm and a backed off efficiency improvement of 7% compared to that of a comparable class AB amplifier with a peak PAE of 25%. While the final manufactured Doherty amplifier did not line up with simulated expectations the design of a novel Doherty combiner is shown in this thesis.

Subject: 

Engineering - Electronics and Electrical

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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