(57) ABSTRACT A power amplifier includes a carrier amplifier that operates from when an
input signal is small, a peak amplifier that starts to operate when the input signal becomes …

In a Doherty amplifier including a carrier amplifier (6) and a peaking amplifier (8) connected
in parallel with each other, a compensation circuit (9) for causing an impedance seen from …

H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,
OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY …

US20220021346A1 - Doherty amplifier and communication device - Google Patents
US20220021346A1 - Doherty amplifier and communication device - Google Patents …

Embodiments of a device and method are disclosed. In an embodiment, a Doherty amplifier
module includes a first amplifier die with a first output terminal, a second amplifier die with a …

(57) ABSTRACT A distributed power amplifier includes radio frequency (RF) input and
output terminals. A first field effect transistor (FET) is coupled at a first gate terminal to the RF …

Primary Examiner—Khanh V Nguyen (74) Attorney, Agent, or Firm-Coats & Bennett, PLLC
(57) ABSTRACT In an asymmetric Doherty amplifier circuit, one or more shunt reactive …

(57) ABSTRACT A distributed power amplifier includes radio frequency (RF) input and
output terminals. A first field effect transistor (FET) is coupled at a first gate terminal to the RF …

Power amplification units and methods are provided, which use a combiner and an auxiliary
signal to feed the power amplifier (PA) with a signal that prevents or reduces operation of …

(57) ABSTRACT A gallium nitride (GaN) power amplifier having a plurality of amplifier
stages integrated into a monolithic integrated circuit is disclosed. The plurality of amplifier …