Accurate offset line design of Doherty amplifier is investigated to compensate the phase
variation of the carrier and peaking amplifiers. The offset line at the peaking amplifier not …

The effect of the peaking offset line on the Doherty amplifier operation is investigated. The
peaking amplifier of the Doherty structure operates at a C-bias condition for the load …

This paper presents an approach to maximize the efficiency of a Doherty power amplifier
(PA) with the knee voltage effect. Since the carrier PA with, which is the usual matching …

A Doherty amplifier assisted by a supply modulator is presented using 2.14 GHz GaN HEMT
saturated power amplifier (PA). A novel envelope shaping method is applied for high power …

In this paper, we present a design method for a compact inverted Doherty power amplifier
(IDPA), which has high-efficiency and high-power characteristics. An optimum load matching …

In this paper, the effect of the fundamental current provided by a peaking cell consisting of a
Doherty amplifier is analyzed using a new closed-current model. The proposed current …

A Doherty power amplifier, using a pair of coupled lines loaded by a capacitor, is proposed
for linearity improvement. The conventional λ/4 transmission line is substituted by capacitor …

In this paper, a novel modified Doherty power amplifier (DPA) that allows for extended
output back-off (OBO) range, improved power utilization factor (PUF), and increased peak …

In this paper, the novel architecture of a dual-input and digitally driven Doherty amplifier is
proposed with the aim of improving the performance of gallium-nitride (GaN) Doherty …

This work proposes a new offset line of carrier PA for Doherty power amplifier (PA). The
carrier PA of conventional Doherty PA (DPA) delivers lower efficiency at back-off output …