High efficiency power amplifiers for modern mobile communications: The load-modulation approach
Modern mobile communication signals require power amplifiers able to maintain very high
efficiency in a wide range of output power levels, which is a major issue for classical power …
efficiency in a wide range of output power levels, which is a major issue for classical power …
New mixed-mode design methodology for high-efficiency outphasing chireix amplifiers
A new design methodology providing optimal mixed-mode operation for dual-input class-F
outphasing Chireix amplifiers is presented. The design starts with single-transistor class-F …
outphasing Chireix amplifiers is presented. The design starts with single-transistor class-F …
Waveform engineering: State‐of‐the‐art and future trends
The term waveform engineering denotes all those circuit design techniques that are based
on shaping the transistor voltage and current waveforms. From a general perspective, these …
on shaping the transistor voltage and current waveforms. From a general perspective, these …
Al0. 30Ga0. 70N/GaN MODFET with triple-teeth metal for RF and high-power applications
A modulation-doped field-effect transistor (MODFET) has been investigated in this paper. It
is also called HEMT (high electron mobility transistor). The proposed MODFET is made up of …
is also called HEMT (high electron mobility transistor). The proposed MODFET is made up of …
Dynamic-bias S-parameters: A new measurement technique for microwave transistors
We present the first application of the recently introduced dynamic-bias measurement to the
acquisition of the scattering (S-) parameters of microwave transistors under large signal …
acquisition of the scattering (S-) parameters of microwave transistors under large signal …
Catalyzing satellite communication: A 20W Ku-Band RF front-end power amplifier design and deployment
J Chen, F Wang, D Zhang, J Liu, H Wu, Z Zhou, H Yang… - Plos one, 2024 - journals.plos.org
This paper presents a groundbreaking Ku-band 20W RF front-end power amplifier (PA),
designed to address numerous challenges encountered by satellite communication …
designed to address numerous challenges encountered by satellite communication …
Asymmetrically-driven current-based chireix class-F power amplifier designed using an embedding device model
Model-based nonlinear embedding is applied for the first time to the design of an
asymmetrically-driven class-F Chireix power amplifier (PA). The embedding model of a 15 W …
asymmetrically-driven class-F Chireix power amplifier (PA). The embedding model of a 15 W …
Comprehensive physics-based model for millimeterwave transistors
S Nouri, SM El-Ghazaly - 2021 IEEE Radio and Wireless …, 2021 - ieeexplore.ieee.org
This paper presents a novel comprehensive model for analyzing devices at the W-band and
beyond. The presented simulation scheme makes this physics-based model suitable for …
beyond. The presented simulation scheme makes this physics-based model suitable for …
A compact outphasing power amplifier with integrated reactive compensation
An innovative design methodology is presented to simplify the architecture of outphasing
power amplifier (PA). The proposed design, by absorbing transistor parasitic capacitance …
power amplifier (PA). The proposed design, by absorbing transistor parasitic capacitance …
A scalable large‐signal model with self‐heating effect based on a hybrid‐scaling rule for GaN high‐electron‐mobility transistors
S Gu - … Journal of Numerical Modelling: Electronic Networks …, 2021 - Wiley Online Library
In this paper, a novel hybrid‐scaling rule for GaN high‐electron‐mobility transistors (HEMTs)
scalable large‐signal model with self‐heating effect is proposed. Due to the complex …
scalable large‐signal model with self‐heating effect is proposed. Due to the complex …