Integrating volterra series model and deep neural networks to equalize nonlinear power amplifiers
X Li, R Thompson - US Patent 11,451,419, 2022 - Google Patents
The nonlinearity of power amplifiers (PAs) has been a severe constraint in performance of
modern wireless transceivers. This problem is even more challenging for the fifth generation …
modern wireless transceivers. This problem is even more challenging for the fifth generation …
Integrating volterra series model and deep neural networks to equalize nonlinear power amplifiers
X Li, R Thompson - US Patent 11,855,813, 2023 - Google Patents
The nonlinearity of power amplifiers (PAs) has been a severe constraint in performance of
modern wireless transceivers. This problem is even more challenging for the fifth generation …
modern wireless transceivers. This problem is even more challenging for the fifth generation …
Baseband frequency selective magnitude and phase adjustment for wideband Doherty power amplifier
S Yiming - US Patent 11,283,474, 2022 - Google Patents
A method and transmitter for a Doherty power amplifier are provided. According to one ect, a
radio transmitter includes, for each carrier frequency, a filter, a main path and a peak path …
radio transmitter includes, for each carrier frequency, a filter, a main path and a peak path …
Doherty amplifier with complex combining load matching circuit
RS Embar, R McLaren - US Patent 10,868,500, 2020 - Google Patents
A Doherty power amplifier includes input circuitry that provides input signals to carrier and
peaking amplifiers with an input phase offset between 20 degrees and 160 degrees. Carrier …
peaking amplifiers with an input phase offset between 20 degrees and 160 degrees. Carrier …
Asymmetric Doherty amplifier with complex combining load matching circuit
R McLaren - US Patent 10,862,434, 2020 - Google Patents
A Doherty power amplifier includes input circuitry that provides input signals to asymmetric
carrier and peaking amplifiers (eg, a peaking-to-carrier size ratio, α is greater than 1.15) with …
carrier and peaking amplifiers (eg, a peaking-to-carrier size ratio, α is greater than 1.15) with …
Load modulated power amplifiers
PJ Lehtola, DS Ripley - US Patent App. 17/663,073, 2022 - Google Patents
Apparatus and methods for load modulated power amplifiers are provided. In certain
embodiments, a load modulated power amplifier system includes a power amplifier that …
embodiments, a load modulated power amplifier system includes a power amplifier that …
Wideband Doherty power amplifier
WS Chan, X Zhou - US Patent 12,034,408, 2024 - Google Patents
The present invention provides a wideband Doherty power amplifier comprising: a main
power amplification device; an auxiliary power amplification device arranged in parallel with …
power amplification device; an auxiliary power amplification device arranged in parallel with …
Power amplifier
A power amplifier including: a main power amplification device having an output; an
auxiliary power amplification device having an output; a load modulation circuit operably …
auxiliary power amplification device having an output; a load modulation circuit operably …
Doherty amplifier incorporating output matching network with integrated passive devices
RS Embar, JS Roberts - US Patent 11,522,497, 2022 - Google Patents
An amplifier includes a package that includes a carrier amplifier having a carrier amplifier
input and output, a peaking amplifier having a peaking amplifier input and output, and …
input and output, a peaking amplifier having a peaking amplifier input and output, and …
Doherty power amplifier with integrated second harmonic injection
A Dani - US Patent 12,088,254, 2024 - Google Patents
Examples disclosed herein relate to a Doherty Power Amplifier (“DPA”) with integrated
second harmonic injection. The DPA includes an amplifier circuit having a carrier amplifier …
second harmonic injection. The DPA includes an amplifier circuit having a carrier amplifier …