Apparatus and methods for envelope tracking systems with automatic mode selection

S Khesbak, SF Drogi, FG Balteanu - US Patent 10,110,169, 2018 - Google Patents
Apparatus and methods for envelope tracking systems with automatic mode selection are
provided herein. In certain configurations, a power amplifier system includes a power …

Apparatus and methods for wideband envelope tracking systems

S Khesbak, FG Balteanu, HB Modi - US Patent 9,445,371, 2016 - Google Patents
Apparatus and methods for wideband envelope tracking systems are disclosed herein. In
certain implementations, an envelope tracker includes a DC-to-DC converter, a current …

Apparatus and methods for envelope tracking systems with automatic mode selection

S Khesback, SF Drogi, FG Balteanu - US Patent 10,454,428, 2019 - Google Patents
Apparatus and methods for envelope tracking systems with automatic mode selection are
provided herein. In certain configurations, a power amplifier system includes a power …

Fast envelope tracking systems for power amplifiers

FG Balteanu, SF Drogi, S Khesbak… - US Patent 10,516,368, 2019 - Google Patents
Fast envelope tracking systems are provided herein. In certain embodiments, an envelope
tracking system for a power amplifier includes a switching regulator and a differ ential error …

Wide bandwidth envelope trackers

FG Balteanu, SF Drogi, S Khesbak… - US Patent 10,615,757, 2020 - Google Patents
High bandwidth envelope trackers are provided herein. In certain embodiments, an
envelope tracking system for a power amplifier includes a switching regulator that operates …

Apparatus and methods for wideband envelope tracking

S Khesbak, FG Balteanu, HB Modi - US Patent 9,876,473, 2018 - Google Patents
Apparatus and methods for wideband envelope tracking systems are disclosed herein. In
certain implementations, an envelope tracker includes a DC-to-DC converter, a current …

Envelope trackers providing compensation for power amplifier output load variation

S Khesbak, SF Drogi - US Patent 10,236,831, 2019 - Google Patents
Envelope trackers providing compensation for power ampli fier output load variation are
provided herein. In certain configurations, a radio frequency (RF) system includes a power …

Power amplifier with termination circuit and resonant circuit

CAO Haibo, ACP Wu, YJ Lin, JR King - US Patent 9,503,025, 2016 - Google Patents
This application claims the benefit of priority under 35 USC S 119 (e) of US Provisional
Patent Application No. 62/023,716, filed Jul. 11, 2014 and titled “CLASS-F POWER …

Apparatus and methods for envelope tracking systems with automatic mode selection

S Khesbak, SF Drogi, FG Balteanu - US Patent 10,873,297, 2020 - Google Patents
Apparatus and methods for envelope tracking systems with automatic mode selection are
provided herein. In certain configurations, a power amplifier system includes a power …

Envelope tracking amplifier apparatus

N Khlat - US Patent 10,797,650, 2020 - Google Patents
An envelope tracking (ET) amplifier apparatus is provided. The ET amplifier apparatus
includes an amplifier circuit configured to amplify a radio frequency (RF) signal based on a …