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Envelope Tracking Power Supply topics
Envelope Tracking
Envelope Tracking Power Supply
Transmitter
Transmitter Circuit
Power Management
Rf Communication
Communications
Amplification
Tracking System
Reference Voltage
Integrated Circuit
Zero Voltage Switching
Transistors

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Envelope Tracking Power Supply patents



      
           
This page is updated frequently with new Envelope Tracking Power Supply-related patent applications. Subscribe to the Envelope Tracking Power Supply RSS feed to automatically get the update: related Envelope RSS feeds. RSS updates for this page: Envelope Tracking Power Supply RSS RSS


Date/App# patent app List of recent Envelope Tracking Power Supply-related patents
07/31/14
20140213196
 Recalibration of envelope tracking transfer function during active transmission patent thumbnailRecalibration of envelope tracking transfer function during active transmission
An envelope tracking system and a method for adjusting a nonlinear transfer function of an envelope tracking power supply for a power amplifier are provided. An output signal of the power amplifier is provided to a feedback receiver for determining an actual performance of the envelope tracking power amplifier.
07/24/14
20140203869
 Communications based adjustments of an offset capacitive voltage patent thumbnailCommunications based adjustments of an offset capacitive voltage
A parallel amplifier and an offset capacitance voltage control loop are disclosed. The parallel amplifier has a parallel amplifier output, which is coupled to an envelope tracking power supply output via an offset capacitive element.
06/05/14
20140155128
 Unequal amplifier gain compression via shaping table patent thumbnailUnequal amplifier gain compression via shaping table
A communication device, such as a smart phone, includes an envelope tracking power supply that provides a voltage supply signal for a power amplifier. The envelope tracking signal input to the envelope tracking power supply arises from application of a shaping table on a desired transmit signal.
06/05/14
20140155117
 Shaping table reconfiguration at communication event boundaries patent thumbnailShaping table reconfiguration at communication event boundaries
A communication device, such as a smart phone, receives a power specification message from a network controller. The power specification message specifies an output power applicable for a particular communication subframe or symbol within the subframe.
06/05/14
20140154998
 Transmit adaptation responsive to signal transformation patent thumbnailTransmit adaptation responsive to signal transformation
A communication device, such as a smart phone, monitors signal transformations and adapts its transmit chain in response. The transformations may include the effect of load angle and load magnitude on a signal prepared for transmission through an antenna.
06/05/14
20140153461
 Envelope tracker driven transmit beamforming patent thumbnailEnvelope tracker driven transmit beamforming
A method and telecommunication device in which the telecommunication device is provided with multiple antennas and power amplifiers to provide a beamformed transmit stage. An envelope tracking circuit helps achieve significant power savings in the power amplifier and can be used to provide the power supply for the multiple power amplifiers.
05/08/14
20140125135
Technology for extending a radio frequency (rf) bandwidth of an envelope tracking (et) power amplifier (pa)
An envelope tracking power supply (et ps) transmission line switch can be operable between an et ps and a radio frequency (rf) power amplifier (pa). The et ps transmission line switch assembly can include a quarter wavelength (¼λ) transmission line configured for high impedance at a specified low rf and a switch coupled to a specified point on the quarter wavelength transmission line to generate a high frequency quarter wavelength transmission line when the switch is toggled.
04/24/14
20140111178
 Transitioning from envelope tracking to average power tracking patent thumbnailTransitioning from envelope tracking to average power tracking
An envelope tracking power supply and an offset capacitive element are disclosed. The offset capacitive element is coupled between a switching output and an analog output of the envelope tracking power supply, which operates in one of an envelope tracking mode, a transition mode, and an average power tracking mode.
04/10/14
20140099906
 Reducing effects of rf mixer-based artifact using pre-distortion of an envelope power supply signal patent thumbnailReducing effects of rf mixer-based artifact using pre-distortion of an envelope power supply signal
A radio frequency (rf) power amplifier (pa) and an envelope tracking power supply are disclosed. The rf pa receives and amplifies an rf input signal to provide an rf transmit signal using an envelope power supply signal, which at least partially envelope tracks the rf transmit signal, such that the rf input signal has an rf mixer-based artifact.
01/02/14
20140002053
 Power supply modulation method and power supply modulator patent thumbnailPower supply modulation method and power supply modulator
A modulation method and modulator for an envelope tracking power supply. An output of a multi-level switching regulator (202) in the envelope tracking power supply modulator is in parallel connection with an output of a linear regulator (201) via an inductor (203) and supplies power to a load.
09/12/13
20130234793
Split vcc and common vcc power management architecture for envelope tracking
An envelope tracking power supply and transmitter control circuitry are disclosed. The transmitter control circuitry receives a first envelope power supply control signal and a second envelope power supply control signal.
08/01/13
20130194979
Optimal switching frequency for envelope tracking power supply
A radio frequency (rf) communications system, which includes an rf power amplifier (pa) and an envelope tracking power supply, is disclosed. The rf communications system processes rf signals associated with at least a first rf communications band, which has a first bandwidth.
07/18/13
20130183916
Modified switching ripple for envelope tracking system
Radio frequency (rf) transmitter circuitry, which includes an rf power amplifier (pa) and an envelope tracking power supply, is disclosed. The rf pa receives and amplifies an rf input signal to provide an rf transmit signal using an envelope power supply signal.
07/18/13
20130181774
Envelope tracking with variable compression
Radio frequency (rf) transmitter circuitry, which includes an envelope tracking power supply and an rf power amplifier (pa), is disclosed. The rf pa operates in either a first operating mode or a second operating mode, such that selection of the operating mode is based on compression tolerance criteria.
07/11/13
20130176076
Voltage regulator, envelope tracking power supply system, transmitter module, and integrated circuit device therefor
A voltage regulator for use within an envelope tracking power supply system is described. The voltage regulator comprises a voltage regulation module.
01/24/13
20130021827
System and method for envelope tracking power supply
An envelope tracking power supply has a multiple-output dc/dc converter, a switch bank, an output voltage selector and an output filter. The dc/dc converter has an alternating current generating portion and a full rectifying portion.


Popular terms: [SEARCH]

Envelope Tracking Power Supply topics: Envelope Tracking, Envelope Tracking Power Supply, Transmitter, Transmitter Circuit, Power Management, Rf Communication, Communications, Amplification, Tracking System, Reference Voltage, Integrated Circuit, Zero Voltage Switching, Transistors

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This listing is a sample listing of patent applications related to Envelope Tracking Power Supply for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Envelope Tracking Power Supply with additional patents listed. Browse our RSS directory or Search for other possible listings.
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