A review of watt-level CMOS RF power amplifiers

T Johansson, J Fritzin - IEEE transactions on microwave theory …, 2013 - ieeexplore.ieee.org
This paper reviews the design of watt-level integrated CMOS RF power amplifiers (PAs) and
state-of-the-art results in the literature. To reach watt-level output power from a single-chip …

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 flip-chip-packaged 25.3 dBm class-D outphasing power amplifier in 32 nm CMOS for WLAN application

H Xu, Y Palaskas, A Ravi, M Sajadieh… - IEEE Journal of Solid …, 2011 - ieeexplore.ieee.org
A 2.4 GHz outphasing power amplifier (PA) is implemented in a 32 nm CMOS process. An
inverter-based class-D PA topology is utilized to obtain low output impedance and good …

Large-scale power combining and mixed-signal linearizing architectures for watt-class mmWave CMOS power amplifiers

R Bhat, A Chakrabarti… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Millimeter wave (mmWave) CMOS power amplifiers (PAs) have traditionally been limited in
output power due to the low breakdown voltage of scaled CMOS technologies and poor …

A+ 32 dBm 1.85 GHz class-D outphasing RF PA in 130nm CMOS for WCDMA/LTE

J Fritzin, C Svensson… - 2011 Proceedings of the …, 2011 - ieeexplore.ieee.org
This paper presents a Class-D outphasing RF Power Amplifier (PA) which can operate at a
5.5 V supply and deliver+ 32dBm at 1.85 GHz in a standard 130nm CMOS technology. The …

Modeling and digital predistortion of class-D outphasing RF power amplifiers

PN Landin, J Fritzin, W Van Moer… - IEEE Transactions …, 2012 - ieeexplore.ieee.org
This paper presents a direct model structure for describing class-D outphasing power
amplifiers (PAs) and a method for digitally predistorting these amplifiers. The direct model …

Design and analysis of a class-D stage with harmonic suppression

J Fritzin, C Svensson… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
This paper presents the design and analysis of a low-power Class-D stage in 90 nm CMOS
featuring a harmonic suppression technique, which cancels the 3rd harmonic by shaping the …

Phase predistortion of a class-D outphasing RF amplifier in 90 nm CMOS

J Fritzin, Y Jung, PN Landin, P Handel… - … on Circuits and …, 2011 - ieeexplore.ieee.org
This brief presents a behavioral model structure and a model-based phase-only
predistortion method that are suitable for outphasing RF amplifiers. The predistortion method …

CMOS transformer-based uneven Doherty power amplifier for WLAN applications

E Kaymaksut, P Reynaert - 2011 Proceedings of the ESSCIRC …, 2011 - ieeexplore.ieee.org
This paper reports a fully integrated Doherty power amplifier in standard 90 nm CMOS
technology for 2.4 GHz WLAN applications. An asymmetrical series combining transformer is …

A flip-chip-packaged 1.8 V 28dBm class-AB power amplifier with shielded concentric transformers in 32nm SoC CMOS

Y Tan, H Xu, MA El-Tanani, S Taylor… - … Solid-State Circuits …, 2011 - ieeexplore.ieee.org
As CMOS technology continues to scale for SoC applications, significant challenges to
implement a monolithic linear high-power amplifier have emerged. This results from the low …