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US Patent 12068720 Barely Doherty dual envelope tracking (BD2E) circuit
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Edits on 21 Aug, 2024
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US Patent 12068720 Barely Doherty dual envelope tracking (BD2E) circuit
Article
Patent abstract
A barely Doherty dual envelope tracking (BD
Infobox
Is a
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
12068720
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Patent Inventor Names
Nadim Khlat
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Date of Patent
August 20, 2024
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Patent Application Number
17351560
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Date Filed
June 18, 2021
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Patent Citations
US Patent 11121684 Method and apparatus for digital envelope tracking with dynamically changing voltage levels for power amplifier
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US Patent 11128261 Constant Vds1 bias control for stacked transistor configuration
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US Patent 7193467 Differential amplifiers and methods of using same
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US Patent 7471155 Cancelling switching power supply ripple from a radio frequency signal
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US Patent 7570931 RF transmitter with variably biased RF power amplifier and method therefor
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US Patent 7994862 Circuit and method of temperature dependent power amplifier biasing
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US Patent 8461928 Constant-gain power amplifier
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US Patent 8493141 Pseudo-envelope following power management system
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US Patent 8519788 Boost charge-pump with fractional ratio and offset loop for supply modulation
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US Patent 8588713 Power management system for multi-carriers transmitter
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US Patent 8718188 Apparatus and methods for envelope tracking
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US Patent 8723492 Autonomous controlled headroom low dropout regulator for single inductor multiple output power supply
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US Patent 8725218 Multimode operation DC-DC converter
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US Patent 8774065 Radio front end and power management architecture for LTE-advanced
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US Patent 8803603 Envelope tracking system for MIMO
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US Patent 8818305 Supply transitions in an envelope tracked power amplifier
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US Patent 8854129 Timing alignment for modulated supply
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US Patent 8879665 Controlling a power amplifier based on transmitter output emissions
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US Patent 8913690 Amplifier circuit and wireless communication equipment
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US Patent 8942651 Cascaded converged power amplifier
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US Patent 8947161 Linear amplifier power supply modulation for envelope tracking
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US Patent 8989682 Apparatus and methods for envelope tracking calibration
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US Patent 9018921 Battery charger architecture
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US Patent 9020451 Programmable RF notch filter for envelope tracking
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US Patent 9041364 RF power converter
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US Patent 9041365 Multiple mode RF power converter
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US Patent 9055529 System and method for adaptive in-network time alignment for envelope tracking power amplifier
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US Patent 9065509 Methods and apparatus for envelope tracking system
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US Patent 9069365 DC-DC converter enabling rapid output voltage changes
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US Patent 9098099 Device and method for increasing output efficiency of mobile communication terminal
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US Patent 9166538 Integrated circuit wireless communication unit and method for providing a power supply
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US Patent 9166830 Systems and methods utilizing adaptive envelope tracking
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US Patent 9167514 Unequal amplifier gain compression via shaping table
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US Patent 9197182 Envelope power supply calibration of a multi-mode radio frequency power amplifier
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US Patent 9225362 Power supply
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US Patent 9247496 Power loop control based envelope tracking
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US Patent 9263997 Self setting power supply using negative output impedance
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US Patent 9270230 Power supply arrangement for multi-stage amplifier
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US Patent 9270239 Envelope tracking system with internal power amplifier characterization
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US Patent 9271236 ET system with adjustment for noise
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US Patent 9280163 Average power tracking controller
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US Patent 9288098 Methods and apparatus for envelope tracking system
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US Patent 9298198 Noise reduction for envelope tracking
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US Patent 9344304 Communication device with power supply load variation noise reduction for envelope tracking and method therefor
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US Patent 9356512 Envelope tracking power supply with direct connection to power source
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US Patent 9362868 Reduced power amplifier load impact for open loop envelope tracking
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US Patent 9377797 Multiple mode RF power converter
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US Patent 9379667 Multiple power supply input parallel amplifier based envelope tracking
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US Patent 9445371 Apparatus and methods for wideband envelope tracking systems
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US Patent 9515622 Reconfigurable bias and supply drivers for radio frequency power amplifiers
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US Patent 9520907 Methods and apparatus for envelope tracking system
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US Patent 9584071 Envelope tracking with reduced dynamic range
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US Patent 9595869 Multi-level switching regulator circuits and methods with finite state machine control
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US Patent 9595981 Reduced bandwidth envelope tracking
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US Patent 9596110 Open loop digital PWM envelope tracking system with dynamic boosting
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US Patent 9614477 Envelope tracking supply modulators for multiple power amplifiers
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US Patent 9634666 Push-pull driver, a transmitter, a receiver, a transceiver, an integrated circuit, a method for generating a signal at an output
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US Patent 9705451 Power amplification module
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US Patent 9748845 Method and apparatus for wide bandwidth, efficient power supply
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US Patent 9806676 Power amplification system with programmable load line
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US Patent 9831834 Envelope tracking with low frequency loss correction
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US Patent 9837962 Envelope tracker with variable boosted supply voltage
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US Patent 9900204 Multiple functional equivalence digital communications interface
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US Patent 9923520 Switching power supply for RF power amplifiers
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US Patent 10003416 Method for measuring characteristics of a transmitter unit of a device under test, test system and radio frequency device
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US Patent 10090808 Feed-forward envelope tracking
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US Patent 10090809 Multi-mode mobile power management circuit
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US Patent 10097145 Multi-mode power management circuit
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US Patent 10103693 Power amplifier linearization system and method
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US Patent 10110169 Apparatus and methods for envelope tracking systems with automatic mode selection
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US Patent 10116470 Combined low and high frequency continuous-time linear equalizers
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US Patent 10158329 Envelope tracking power amplifier circuit
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US Patent 10158330 Multi-mode envelope tracking amplifier circuit
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US Patent 10170989 Methods for fabricating an integrated circuit with a voltage regulator
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US Patent 10291181 Supply modulator and communication device including the same
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US Patent 10326408 Envelope tracking power management circuit
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US Patent 10361744 Transceiver circuit and related radio frequency circuit
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US Patent 10382071 Bandwidth optimization for power amplifier power supplies
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US Patent 10476437 Multimode voltage tracker circuit
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US Patent 10756675 Broadband power amplifier circuit
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US Patent 10862431 Envelope tracking amplification architecture
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US Patent 10879804 Switching regulator for dynamically changing output voltage and power supply circuit including the switching regulator
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US Patent 11050433 Using a tracking switched-mode power supply to increase efficiency of a current digital-to-analog converter-based output stage
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US Patent 6985033 Circuits and methods for adjusting power amplifier predistortion, and power amplifiers and other devices including the same
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US Patent 7043213 Multi-mode amplifier system
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Patent Primary Examiner
Andrea Lindgren Baltzell
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CPC Code
H03F 3/245
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H03F 3/19
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H04B 1/04
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H04B 2001/045
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H03F 2200/451
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H03F 2200/105
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H03F 1/56
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H03F 1/0288
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H03F 1/0222
0
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