A reconfigurable load modulation amplifier having a first power amplifier (PA) configured to
be supplied by a first drain voltage and a second PA coupled in parallel with the first PA …

Doherty power amplifier combiner with tunable impedance termination circuit. A signal
combiner can include a balun transformer circuit having a first coil and a second coil. The …

(57) ABSTRACT A reconfigurable load modulation amplifier having a carrier amplifier and a
peak amplifier that are coupled in parallel is disclosed. The peak amplifier provides …

Abstract Systems and methods related to linear load modulated power amplifiers. A power
amplifier (PA) system can include an input circuit configured to receive a radio-frequency …

HO3F 3/24(2006.01) A Doherty amplifier device operable over multiple fre (52) is: C. H03F
I/0288 (2013.01); H03F 3/19 quency bands includes a controller that, in Some embodi …

In dividing units, signals propagating between input ports-and output ports and between
input ports and output ports have phases shifted by 90 from phases of signals propagating …

A reconfigurable load modulation amplifier having a carrier amplifier and a peak amplifier
that are coupled in parallel is disclosed. The peak amplifier provides additional power …

US11588507B2 - Radio frequency front-end - Google Patents US11588507B2 - Radio
frequency front-end - Google Patents Radio frequency front-end Download PDF Info Publication …

Radio frequency (RF) amplification devices are disclosed that include Doherty amplification
circuits and methods of operating the same. In one embodiment, a Doherty ampli fication …

A tunable inductor circuit includes a first common transmission line having one end
connected to a first terminal; a first uncommon transmission line having one end connected …