A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff

Jose Romero Lopera; Jim  Mayock; Qing Sun; Michael Ernst Gadringer; Wolfgang Bösch; Erich Leitgeb

doi:10.1109/PAWR51852.2021.9375547

A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff

Jose Romero Lopera, Jim Mayock, Qing Sun, Michael Ernst Gadringer, Wolfgang Bösch, Erich Leitgeb

Institute of Microwave and Photonic Engineering (4510)

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Abstract

In this paper, a hybrid Doherty power amplifier (DPA) using dynamic input power splitting for 3.5 GHz is presented and compared to another Doherty with a conventional Wilkinson input divider sharing the same output structure. The amplifier is designed in a novel hybrid configuration, where a MMIC consisting of two parallel GaN transistors with input prematching are fully integrated on chip and used as the main and peak amplifiers. The remaining passive structures are implemented at PCB level on a RO4350B. The results at 3.5 GHz under continuous wave operation show 45 dBm of maximum output power with over 41% of PAE and Drain efficiency over 47% in a 6dB output power backoff (OBO) and 7 dB of gain for maximum output power.

Original language	English
Title of host publication	2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021
Publisher	IEEE Xplore
Pages	44 - 47
Number of pages	4
ISBN (Electronic)	9780738143675
ISBN (Print)	978-1-6654-0408-2, 978-1-6654-0409-9
DOIs	https://doi.org/10.1109/PAWR51852.2021.9375547
Publication status	Published - 17 Jan 2021
Event	2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR) - San Diego, Calif., Virtuell, United States Duration: 17 Jan 2021 → 20 Jan 2021

Publication series

Name	2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021

Conference

Conference	2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR)
Abbreviated title	PAWR 2021
Country/Territory	United States
City	Virtuell
Period	17/01/21 → 20/01/21

Keywords

Doherty
GaN
Hybrid
MMIC
Power divider

ASJC Scopus subject areas

Electrical and Electronic Engineering
Instrumentation
Computer Networks and Communications

Fields of Expertise

Information, Communication & Computing

Treatment code (Nähere Zuordnung)

Experimental

Access to Document

10.1109/PAWR51852.2021.9375547Licence: Other

Cite this

Romero Lopera, J., Mayock, J., Sun, Q., Gadringer, M. E., Bösch, W., & Leitgeb, E. (2021). A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff. In 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021 (pp. 44 - 47). Article 9375547 (2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021). IEEE Xplore. https://doi.org/10.1109/PAWR51852.2021.9375547

A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff. / Romero Lopera, Jose; Mayock, Jim ; Sun, Qing et al.
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021. IEEE Xplore, 2021. p. 44 - 47 9375547 (2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Romero Lopera, J, Mayock, J, Sun, Q, Gadringer, ME , Bösch, W & Leitgeb, E 2021, A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff. in 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021., 9375547, 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, IEEE Xplore, pp. 44 - 47, 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), Virtuell, United States, 17/01/21. https://doi.org/10.1109/PAWR51852.2021.9375547

Romero Lopera J, Mayock J, Sun Q, Gadringer ME , Bösch W , Leitgeb E. A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff. In 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021. IEEE Xplore. 2021. p. 44 - 47. 9375547. (2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021). doi: 10.1109/PAWR51852.2021.9375547

Romero Lopera, Jose ; Mayock, Jim ; Sun, Qing et al. / A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff. 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021. IEEE Xplore, 2021. pp. 44 - 47 (2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021).

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title = "A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff",

abstract = "In this paper, a hybrid Doherty power amplifier (DPA) using dynamic input power splitting for 3.5 GHz is presented and compared to another Doherty with a conventional Wilkinson input divider sharing the same output structure. The amplifier is designed in a novel hybrid configuration, where a MMIC consisting of two parallel GaN transistors with input prematching are fully integrated on chip and used as the main and peak amplifiers. The remaining passive structures are implemented at PCB level on a RO4350B. The results at 3.5 GHz under continuous wave operation show 45 dBm of maximum output power with over 41% of PAE and Drain efficiency over 47% in a 6dB output power backoff (OBO) and 7 dB of gain for maximum output power.",

keywords = "Doherty Amplifier, MMIC, GaN HEMT, Power divider, Doherty, GaN, Hybrid, MMIC, Power divider",

author = "{Romero Lopera}, Jose and Jim Mayock and Qing Sun and Gadringer, {Michael Ernst} and Wolfgang B{\"o}sch and Erich Leitgeb",

year = "2021",

month = jan,

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doi = "10.1109/PAWR51852.2021.9375547",

language = "English",

isbn = "978-1-6654-0408-2",

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booktitle = "2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021",

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AU - Romero Lopera, Jose

AU - Mayock, Jim

AU - Sun, Qing

AU - Gadringer, Michael Ernst

AU - Bösch, Wolfgang

AU - Leitgeb, Erich

PY - 2021/1/17

Y1 - 2021/1/17

N2 - In this paper, a hybrid Doherty power amplifier (DPA) using dynamic input power splitting for 3.5 GHz is presented and compared to another Doherty with a conventional Wilkinson input divider sharing the same output structure. The amplifier is designed in a novel hybrid configuration, where a MMIC consisting of two parallel GaN transistors with input prematching are fully integrated on chip and used as the main and peak amplifiers. The remaining passive structures are implemented at PCB level on a RO4350B. The results at 3.5 GHz under continuous wave operation show 45 dBm of maximum output power with over 41% of PAE and Drain efficiency over 47% in a 6dB output power backoff (OBO) and 7 dB of gain for maximum output power.

AB - In this paper, a hybrid Doherty power amplifier (DPA) using dynamic input power splitting for 3.5 GHz is presented and compared to another Doherty with a conventional Wilkinson input divider sharing the same output structure. The amplifier is designed in a novel hybrid configuration, where a MMIC consisting of two parallel GaN transistors with input prematching are fully integrated on chip and used as the main and peak amplifiers. The remaining passive structures are implemented at PCB level on a RO4350B. The results at 3.5 GHz under continuous wave operation show 45 dBm of maximum output power with over 41% of PAE and Drain efficiency over 47% in a 6dB output power backoff (OBO) and 7 dB of gain for maximum output power.

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A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

Fields of Expertise

Treatment code (Nähere Zuordnung)

Access to Document

Other files and links

Fingerprint

TRITON - Heterogeneous Integration of Millimeter-Wave Technology

Cite this

A 3.5GHz High Power GaN Hybrid Doherty Power Amplifier with Dynamic Input Power Splitting for Enhanced Power Added Efficiency at Backoff

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

Fields of Expertise

Treatment code (Nähere Zuordnung)

Access to Document

Other files and links

Fingerprint

Projects

TRITON - Heterogeneous Integration of Millimeter-Wave Technology

Cite this