A switched-capacitor RF power amplifier

SM Yoo, JS Walling, EC Woo, B Jann… - IEEE Journal of Solid …, 2011 - ieeexplore.ieee.org
A fully integrated switched-capacitor power amplifier (SCPA) utilizes switched-capacitor
techniques in an EER/Polar architecture. It operates on the envelope of a nonconstant …

A 25 dBm digitally modulated CMOS power amplifier for WCDMA/EDGE/OFDM with adaptive digital predistortion and efficient power control

CD Presti, F Carrara, A Scuderi… - IEEE Journal of Solid …, 2009 - ieeexplore.ieee.org
A digitally modulated power amplifier (DPA) in 1.2 V 0.13 mum SOI CMOS is presented, to
be used as a building block in multi-standard, multi-band polar transmitters. It performs direct …

A class-G switched-capacitor RF power amplifier

SM Yoo, JS Walling, O Degani, B Jann… - IEEE Journal of Solid …, 2013 - ieeexplore.ieee.org
A switched-capacitor power amplifier (SCPA) that realizes an envelope elimination and
restoration/polar class-G topology is introduced. A novel voltage-tolerant switch enables the …

An efficient mixed-signal 2.4-GHz polar power amplifier in 65-nm CMOS technology

D Chowdhury, L Ye, E Alon… - IEEE Journal of Solid …, 2011 - ieeexplore.ieee.org
A 65-nm digitally modulated polar transmitter incorporates a fully integrated, efficient 2.4-
GHz switching Inverse Class-D power amplifier. Low-power digital filtering on the amplitude …

A super-resolution mixed-signal Doherty power amplifier for simultaneous linearity and efficiency enhancement

F Wang, TW Li, S Hu, H Wang - IEEE Journal of Solid-State …, 2019 - ieeexplore.ieee.org
This article presents a mixed-signal Doherty power amplifier (MSDPA) architecture for
simultaneous linearity and efficiency enhancement. The MSDPA comprises one analog …

Efficient digital quadrature transmitter based on IQ cell sharing

H Jin, D Kim, B Kim - IEEE Journal of Solid-State Circuits, 2017 - ieeexplore.ieee.org
In this paper, we proposed and designed a digitally configured versatile RF quadrature
transmitter. The transmitter efficiency was enhanced by IQ cell sharing and the deactivation …

Design of a transformer-based reconfigurable digital polar Doherty power amplifier fully integrated in bulk CMOS

S Hu, S Kousai, JS Park, OL Chlieh… - IEEE Journal of Solid …, 2015 - ieeexplore.ieee.org
This paper presents a digital polar Doherty power amplifier (PA) fully integrated in a 65 nm
bulk CMOS process. It achieves+ 27.3 dBm peak output power and 32.5% peak PA drain …

Design of CMOS power amplifiers

AM Niknejad, D Chowdhury… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper describes the key technology and circuit design issues facing the design of an
efficient linear RF CMOS power amplifier for modern communication standards …

Design considerations for a direct digitally modulated WLAN transmitter with integrated phase path and dynamic impedance modulation

L Ye, J Chen, L Kong, E Alon… - IEEE Journal of Solid …, 2013 - ieeexplore.ieee.org
A 65-nm digitally modulated polar TX for WLAN 802.11 g is fully integrated along with
baseband digital filtering. The TX employs dynamic impedance modulation to improve …

A broadband mixed-signal CMOS power amplifier with a hybrid class-G Doherty efficiency enhancement technique

S Hu, S Kousai, H Wang - IEEE Journal of Solid-State Circuits, 2016 - ieeexplore.ieee.org
This paper presents a broadband mixed-signal CMOS power amplifier (PA) with a hybrid
Class-G Doherty architecture for PA efficiency enhancement up to the deep power back-off …