This article presents a wideband, energy-efficient digital transmitter (DTX) suitable for multi-
mode/multi-band wireless communication applications. It features various operation modes …

This article presents the first application of a digital-intensive intrinsically linear digitally
controlled class-E technique in a Doherty configuration. By careful nonlinear segmentation …

This paper presents a dual-band high-power digital polar Doherty power amplifier (PA). A
current-mode parallel-combining transformer (PCT) power combiner is introduced for …

This work presents a wideband digital polar transmitter (DPTX) with an integrated capacitor-
digital-to-analog converter (C-DAC)-based digital-to-phase converter (DPC). A normalized …

We present a wideband, 12-bit four-way Doherty Cartesian digital transmitter (DTX) featuring
an innovative 50%-LO signed interleaved up-conversion technique that enables close to …

A quadrature digital power amplifier (PA) with hybrid Doherty and impedance boosting
(HDIB) technique is presented for deep power back-off (PBO) efficiency enhancement in the …

This article presents a fully integrated hybrid current-and voltage-mode three-way digital
Doherty power amplifier (PA) in CMOS using a single supply with builtin large-signal phase …

A 30.0-dBm polar digital power amplifier (PA) is implemented based on a switched-capacitor
PA (SCPA) and multiple efficiency-enhancement techniques, such as Class-G, Doherty, and …

This article presents an 8-way serial power combined transformer-based quadrature digital
power amplifier (DPA) with in-phase/quadrature (IQ)-reuse and Doherty techniques for high …

The RF performance of current-scaling digital transmitters (DTX) with polar, unsigned
Cartesian, signed Cartesian, and multiphase architectures have been compared regarding …