U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."

Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Quantance, Inc.


Location: San Mateo, CA, US
No. of applications: 18

Application No.Application TitleIssue Date
20120019319Amplitude Error De-Glitching Circuit and Method of Operating
A power amplifier controller circuit controls a power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the input signal and an attenuated amplitude of the output signal. The power amplifier controller circu... 		01/26/2012
20110298539RF POWER AMPLIFIER CIRCUIT WITH MISMATCH TOLERANCE
A radio frequency (RF) power amplifier system adjusts the supply voltage provided to a power amplifier (PA) adaptively, responsive to the measured or estimated power of the RF output signal of the PA. The RF PA system includes a power amplifier (PA) which receives and a... 		12/08/2011
20110223963MAXIMUM TRANSMIT POWER CONTROLLER
A maximum transmit power controller determines the amount of power available from a host device for powering a radio transmitter of a mobile device, and sets a limit for maximum transmit power in the radio transmitter based upon the determined amount of available power ... 		09/15/2011
20110189966Power Amplifier Controller Circuit
A power amplifier controller circuit controls a power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the input signal and an attenuated amplitude of the output signal. The power amplifier controller circu... 		08/04/2011
20110148519POWER AMPLIFIER POWER CONTROLLER
A power amplifier power controller in the power amplifier system monitors various operating conditions of the power amplifier, and controls the output transmit power of the power amplifier by coordinated control of both the input drive level to the power amplifier and t... 		06/23/2011
20110140777RF Power Amplifier Controller Circuit Including Calibrated Phase Control Loop
An RF power amplifier system comprises an amplitude control loop and a phase control loop. The amplitude control loop adjusts the supply voltage to the power amplifier based upon the amplitude correction signal indicating the amplitude difference between the amplitude o... 		06/16/2011
20110043282RF POWER AMPLIFIER SYSTEM WITH IMPEDANCE MODULATION
A power amplifier controller circuit controls an adjustable impedance matching network at the output of a power amplifier to vary its load line to improve the efficiency of the RF PA. The PA controller circuit comprises an amplitude control loop that determines an ampli... 		02/24/2011
20110018351HIGH BANDWIDTH POWER SUPPLY SYSTEM WITH HIGH EFFICIENCY AND LOW DISTORTION
A power supply system uses improved Class G amplifier architecture for high bandwidth operation with low distortion. The power supply system switches between multiple power supply rails, depending on the signal level handled by the power supply system. The lowest usable... 		01/27/2011
20100321109Amplifier Compression Adjustment Circuit
An RF power amplifier system adjusts the supply voltage to the power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the RF input signal and an attenuated amplitude of the RF output signal of the power amp... 		12/23/2010
20100311365Power Amplifier Controller With Polar Transmitter
A power amplifier controller controls a power amplifier and is coupled to a polar modulator. The polar modulator generates an amplitude component and a phase-modulated component of the desired RF modulated signal, and outputs to the power amplifier controller. The power... 		12/09/2010
20100301934RF POWER AMPLIFIER CONTROLLER CIRCUIT WITH COMPENSATION FOR OUTPUT IMPEDANCE MISMATCH
A power amplifier controller circuit controls a power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the input signal and an attenuated amplitude of the output signal. The power amplifier controller circu... 		12/02/2010
20100201402Phase Error De-Glitching Circuit and Method of Operating
A system including a phase comparator to compare a first signal and a second signal to generate a phase error signal, and a controller to generate an adjusted phase error signal from the phase error signal in response to an amplitude of at least one of the first signal ... 		08/12/2010
20100194476AMPLIFIER COMPRESSION ADJUSTMENT CIRCUIT
An RF power amplifier system adjusts the supply voltage to the power amplifier based upon an amplitude correction signal indicating the amplitude difference between the amplitude of the RF input signal and an attenuated amplitude of the RF output signal of the power amp... 		08/05/2010
20100194440Phase Error De-Glitching Circuit and Method of Operating
A system including a phase comparator to compare a first signal and a second signal to generate a phase error signal, and a controller to generate an adjusted phase error signal from the phase error signal in response to an amplitude of at least one of the first signal ... 		08/05/2010
20100060357RF POWER AMPLIFIER SYSTEM WITH IMPEDANCE MODULATION
A power amplifier controller circuit controls an adjustable impedance matching network at the output of a power amplifier to vary its load line to improve the efficiency of the RF PA. The PA controller circuit comprises an amplitude control loop that determines an ampli... 		03/11/2010
20090117865RF POWER AMPLIFIER CONTROLLED BY ESTIMATED DISTORTION LEVEL OF OUTPUT SIGNAL OF POWER AMPLIFIER
A radio frequency (RF) power amplifier system is provided, in which a distortion of the RF output signal from the power amplifier is estimated by comparing the RF output signal with reference modulation information. The supply voltage to the power amplifier is adjusted ... 		05/07/2009
20090068966Error Driven RF Power Amplifier Control with Increased Efficiency
A power amplifier controller for adjusting a supply voltage to a power amplifier. The power amplifier controller adjusts the supply voltage so that distortion in an RF output signal corresponds to a predetermined limit. An amplitude error signal is generated by the powe... 		03/12/2009
20090044031POWER COMBINING POWER SUPPLY SYSTEM
A power supply system comprises a low-speed power supply and a high-speed power supply configured to operate in first and second frequency ranges, respectively, and generate first and second outputs, respectively. The lower end of the second frequency range is at least ... 		02/12/2009
 
Sign InRegister
Username  
Password   
forgot password?