Multi-output supply generator for rf power amplifiers with differential capacitive energy transfer

J Garrett, SH Pakala, B Metzner, I Duzevik… - US Patent App. 17 …, 2022 - Google Patents
Described are circuits and techniques to increase the effi ciency of radio-frequency (rf)
amplifiers including rf power amplifiers (PAs) through" supply modulation"(also referred to as …

Power management control over a transmission line for millimeter wave chip sets for cellular radios

JR Hoversten, YA Tkachenko, B Bekirov… - US Patent …, 2024 - Google Patents
Described are circuits and techniques to communicate a digital envelope signal from a
baseband chipset to a discrete supply modulator power management circuit (PMC). Also …

Apparatus and methods for envelope tracking

FG Balteanu, SF Drogi, S Khesbak… - US Patent …, 2023 - Google Patents
Envelope tracking systems for power amplifiers are provided herein. In certain
embodiments, an envelope tracker is provided for a power amplifier that amplifies an RF …

Multilevel converter circuit and method with discrete voltage levels

M Gazit, M Walsh - US Patent 11,831,233, 2023 - Google Patents
A power conversion system includes a first converter configured to convert an input voltage
into discrete voltage levels, and provide each discrete voltage level at a corresponding …

Rf power amplifier system having a multi-output supply generator and low-frequency turn off switch

J Garrett, SH Pakala, B Metzner, I Duzevik… - US Patent App. 18 …, 2023 - Google Patents
2023-07-25 Assigned to Eta Wireless, Inc. reassignment Eta Wireless, Inc. ASSIGNMENT
OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GARRETT …

Multilevel amplifier systems and related techniques

DJ Perreault, JR Hoversten, YA Tkachenko - US Patent 11,909,358, 2024 - Google Patents
Described is a system for modulating power to one or more radio frequency (RF) amplifiers
to suppress undesired output signal components, improve linearity and reduce noise. The …

Apparatus and methods for envelope tracking

FG Balteanu, SF Drogi, S Khesbak… - US Patent App. 18 …, 2023 - Google Patents
Envelope tracking systems for power amplifiers are provided herein. In certain
embodiments, an envelope tracker is provided for a power amplifier that amplifies a radio …

Supply generator and associated control methods

DJ Perreault, J Garrett, SH Pakala, B Metzner… - US Patent …, 2024 - Google Patents
US11949383B1 - Supply generator and associated control methods - Google Patents
US11949383B1 - Supply generator and associated control methods - Google Patents Supply …

Rf power amplifier system with multiple supply modulators

J Garrett, SH Pakala, B Metzner, I Duzevik… - US Patent App. 18 …, 2023 - Google Patents
Described are circuits and techniques to increase the efficiency of radio-frequency (rf)
amplifiers including rf power amplifiers (PAs) through “supply modulation”(also referred to as …