Frequency Response Analysis and Bandwidth Extension of the Doherty Amplifier

By K. Bathich, A. Z. Markos, Georg Boeck. IEEE transactions on microwave theory and techniques, 2011

213 citations recorded by the source corpus.

Subfields: Condensed Matter Physics, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/d25e2219281bdb2ba5e39fea6aedaaafb3f00702

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In Condensed Matter Physics

1. Anding Zhu
2. Fadhel M. Ghannouchi
3. Slim Boumaiza
4. Roberto Quaglia
5. Kenle Chen
6. Yuchen Cao

In Electrical and Electronic Engineering

1. Anding Zhu
2. Fadhel M. Ghannouchi
3. Roberto Quaglia
4. Jing Xia
5. Mengsu Yang
6. Yan Guo
7. Marco Pirola
8. Vittorio Camarchia

Citations in the corpus

• A Modified Doherty Configuration for Broadband Amplification Using Symmetrical Devices (2012, background): “With a modified output matching network, [16] reported peak and back-off efficiencies in the range of 45% from 1.”
• A Post-Matching Doherty Power Amplifier Employing Low-Order Impedance Inverters for Broadband Applications (2015, background): “In the proposed post-matching DPA, the modulated impedances at LMP can be calculated as (1) (2) In these equations, is the output current transferred to the post-matching network. and are the output currents of the carrier and peaking branches, respectively.”
• 3–3.6-GHz Wideband GaN Doherty Power Amplifier Exploiting Output Compensation Stages (2012, methodology): “In [11], the focus is on the use of nonconventional output combining stages, while the work in [12] presents a method applying to broadband matching the simplified real frequency technique.”
• A Load Modulated Balanced Amplifier for Telecom Applications (2018, background): “The RF bandwidth enhancement has been at the center of the research on Doherty PAs for a long time, and several solutions have been found to achieve good bandwidth [5]–[12].”
• Design of a Concurrent Dual-Band 1.8–2.4-GHz GaN-HEMT Doherty Power Amplifier (2012, methodology): “To overcome this major limitation, new design techniques have been used to increase the bandwidth of the DPA [21]–[24].”
• A Broadband Doherty Power Amplifier Based on Continuous-Mode Technology (2016, methodology): “However, the proposed method can work well with previously proposed fundamental frequency technologies [1]–[12] to improve the performance further.”
• A Broadband High-Efficiency Doherty Power Amplifier With Integrated Compensating Reactance (2016, background): “In this section, we first analyze the frequency response of the DPA and then introduce a new matching network topology for bandwidth extension for DPA.”