LAUSR

About LAUSR
Donate
Contact Us

Follow us:

You are not signed in:

Sign Up!


   Articles with "doherty" as a keyword



A 60-GHz Dual-Vector Doherty Beamformer

Sign Up to like & get
recommendations! Published in 2017 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2017.2661980

Abstract: In this paper, we demonstrate a 60-GHz transmit beamformer implemented in 130-nm SiGe BiCMOS technology which includes a Doherty amplifier driven by a dual-vector phase rotator (DVR). In addition, a benchmarking circuit comprising another DVR… read more here.

Keywords: vector doherty; beamformer; doherty; dual vector ... See more keywords

A 44–64-GHz mmWave Broadband Linear Doherty PA in Silicon With Quadrature Hybrid Combiner and Non-Foster Impedance Tuner

Sign Up to like & get
recommendations! Published in 2022 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2022.3171570

Abstract: The proliferation of millimeter-wave (mmWave) bands across 24–90 GHz and the strict spectral efficiency requirements demand future transmitter front ends to operate across multiple bands with simultaneously back-off efficiency and high linearity—characteristics that typically trade… read more here.

Keywords: quadrature hybrid; doherty; non foster; efficiency ... See more keywords

Efficient Millimeter Wave Doherty PA Design Based on a Low-Loss Combiner Synthesis Technique

Sign Up to like & get
recommendations! Published in 2017 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2017.2763739

Abstract: We report on a record-efficient 30-GHz 21-dBm differential Doherty PA designed in a 130-nm SiGe process. The output network is designed using a recently developed combiner synthesis technique. This technique enables impedance inversion and parasitic… read more here.

Keywords: technique; combiner synthesis; synthesis technique; doherty ... See more keywords

Broadband Highly Efficient Doherty Power Amplifiers

Sign Up to like & get
recommendations! Published in 2020 at "IEEE Circuits and Systems Magazine"

DOI: 10.1109/mcas.2020.3027221

Abstract: Modern wireless communication systems with large bandwidth and high peak-to-average power ratios (PAPRs) have been and will continue to be in high demand. This puts a strain on the transmitter, which has to operate with… read more here.

Keywords: doherty pas; power; doherty power; doherty ... See more keywords

Impact of Nonideal Auxiliary Current Profile on Linearity of Microwave Doherty Amplifiers: Theory and Experiments

Sign Up to like & get
recommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems I: Regular Papers"

DOI: 10.1109/tcsi.2022.3152589

Abstract: A new nonlinear effect of Doherty power amplifier (DPA) caused by the nonideal auxiliary current is disclosed. In contrary to traditional assumption, the auxiliary current profile is found to be a nonlinear function of input… read more here.

Keywords: auxiliary current; doherty; current profile; linearity ... See more keywords

Triple-Mode Reciprocal Doherty Power Amplifier With Multi-Band Operation and Extended High Efficiency Range

Sign Up to like & get
recommendations! Published in 2023 at "IEEE Transactions on Circuits and Systems I: Regular Papers"

DOI: 10.1109/tcsi.2023.3242693

Abstract: This article presents the methodology for designing triple-mode Doherty power amplifier (DPA) with multi-band operation and extended high efficiency range. It is illustrated that three different Doherty operation modes can be realized by simply re-setting… read more here.

Keywords: operation; high efficiency; doherty; power ... See more keywords

Enhanced Dual-Mode Reciprocal Doherty Power Amplifier Using Modified Combining Load and Parameter Sweeping Analysis

Sign Up to like & get
recommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems I: Regular Papers"

DOI: 10.1109/tcsi.2024.3355295

Abstract: This article presents a theoretical analysis and circuit design for an enhanced dual-mode reciprocal Doherty power amplifier (DM-RDPA). To achieve bandwidth enhancement, an improved combining load design strategy is proposed, providing more accurate back-off impedance… read more here.

Keywords: mode; analysis; doherty; combining load ... See more keywords