This paper reports the design and measurement of a high efficiency broadband Gallium Nitride (GaN) Doherty power amplifier (DPA) monolithic microwave integrated circuit (MMIC) fabricated on a 0.15 μm ...
This paper presents a Ku-band continuous-mode harmonic-tuning Doherty power amplifier (CMHT-DPA) using 0.12-µm GaN HEMT MMIC technology. Detailed design considerations of the broadband impedance-inver...
This paper presents a power amplifier (PA) for cellular handsets operating in the frequency range 3 (FR3) band that employs distortion compensation. The compensation circuit uses a vector-sum phase sh...
This paper presents a fully monolithic Ku-band Doherty power amplifier (DPA) employing differential power combiner cells as main and auxiliary amplifier in Infineon’s RF GaN-on-Si HEMT MMIC technology...
In this paper, a direct intra-cell in-phase/quadrature (IQ) generation switched-capacitor power amplifier (SCPA) using time-domain charge redistribution is proposed. Such a direct intra-cell IQ genera...
This paper presents an ultracompact active bidirectional phase shifter (ABPS), featuring an intrinsic reciprocal phase-inverting bidirectional variable gain amplifier (PI-BVGA) core. To achieve a comp...
This paper presents a 17–32 GHz bidirectional amplitude-phase control (Bi-APC) circuit for multibeam phased-array transceivers in 40-nm CMOS. Amplitude control is achieved using a bidirectional variab...
This work proposes a hybrid active-passive variable gain block for Q-band, useful for phased-array beamforming satellite communication (SATCOM) systems and other joint communication-sensing applicatio...
This paper presents a wideband phase-invariant variable gain amplifier (VGA) adopting a gain core and matching network (MN) co-design technique. The core-MN co-design methodology expands the design sp...
This paper presents a compact and bidirectional variable gain amplifier (VGA) for compensation of interconnection losses for modular system approaches, and a version with integrated Wilkinson power di...