219648 ⎘
Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
Amplifiers operating in envelope tracking mode or non-envelope tracking mode
#5702Time alignment for an amplification stage
#5703Systems and methods to adjust the matching conditions of an amplifier
#5704Audio signal correction and calibration for a room environment
#5705System and method for pre-charging a current mirror
#5706Digital pre-distortion of non-linear systems with reduced bandwidth feedback
#5707Dynamic digital predistortion for a microwave radio system
#5708Output impedance compensation of a pseudo-envelope follower power management system
#5709Transmitter architecture and related methods
#5710Electronic radio system for power amplification with protection in terms of standing wave rate and associated method of protection
#5711Amplifiers with noise splitting
#5712Low dissipation amplifier
#5713Method of producing semiconductor device
#5714Circuit and method for biasing a gallium arsenide (GaAs) power amplifier
#5715Pseudo-envelope following feedback delay compensation
#5716CMOS based TX/RX switch
#5717CMOS based RF antenna switch
#5718Radio frequency front end module circuit incorporating an efficient high linearity power amplifier
#5719Efficient linear integrated power amplifier incorporating low and high power operating modes
#5720DC-DC converter incorporating trim cell
#5721RF power amplifier splitter
#5722High efficiency and high linearity adaptive power amplifier for signals with high PAPR
#5723Antenna LNA filter for GNSS device
#5724Power loop control based envelope tracking
#5725Distortion-compensated RF transmitter and method therefor
#5726Power amplifier circuit
#5727Calibration for power amplifier predistortion
#5728Digital upconversion for multi-band multi-order power amplifiers
#5729Output impedance compensation of a pseudo-envelope follower power management system
#5730Integrated RF front end system
#5731Method and system for compensating for distortion in a transmitter by utilizing a digital predistortion scheme with a feedback mixer configuration
#5732Systems, and methods of RF power transmission, modulation, and amplification, including embodiments for output stage protection
#5733RF transmitter and method of operation
#5734Low-noise amplifier with impedance boosting circuit
#5735Pseudo-envelope following power management system
#5736High efficiency amplification
#5737Dual inductive element charge pump buck and buck power supplies
#5738Dual carrier amplifier circuits and methods
#5739Control of cross-over point
#5740Multiband RF switch ground isolation
#5741Direct current (DC)-DC converter having a multi-stage output filter
#5742Extremely high frequency dual-mode class AB power amplifier
#5743Multi-band wide band power amplifier digital predistortion system
#5744Power amplifier with an adaptive bias
#5745Transmitter and transceiver having the same in an RFID system
#5746Reconfigurable input power distribution doherty amplifier with improved efficiency
#5747Device and method for increasing output efficiency of mobile communication terminal
#5748Power supply pre-distortion
#5749High efficiency path based power amplifier circuitry
#5750Optimizing power consumption of a base station
#5751Switch mode power supply for envelope tracking
#5752Mobile wireless communications device including sensing transistor and hysteretic comparator and related methods
#5753Adjustable power splitter and corresponding methods and apparatus
#5754Multiple functional equivalence digital communications interface
#5755Low-cost receiver using integrated inductors
#5756Amplifier and transceiver including the amplifier
#5757Power amplifier time-delay invariant predistortion methods and apparatus
#5758Voltage multiplier charge pump buck
#5759Method and apparatus of an input resistance of a passive mixer to broaden the input matching bandwidth of a common source/gate LNA
#5760Average power tracking controller
#5761Voltage offset loop for a switching controller
#5762Multiple mode RF power converter
#5763RF power converter
#5764Interference reduction between RF communications bands
#5765Power supply modulator and method for controlling same
#5766Apparatus and methods for voltage converters
#5767Apparatus and methods for power amplifiers
#5768Method and device for controlling power amplification
#5769Dual mode power amplifier control interface with a three-mode general purpose input/output interface
#5770Transmitter employing pulling mitigation mechanism and related method thereof
#5771Multi-stage digitally-controlled power amplifier
#5772Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry
#5773Envelope tracking system for MIMO
#5774SEMICONDUCTOR DEVICE FOR SIGNAL AMPLIFICATION
#5775Cascaded converged power amplifier
#5776Radio frequency amplifier in communication system and method of controlling the same
#5777RF power transistor circuit
#5778Multi-Dimensional Error Definition, Error Measurement, Error Analysis, Error Function Generation, Error Information Optimization, and Error Correction for Communications Systems
#5779Method of diminishing the minimum range of operation of a communication link
#5780Signal path termination
#5781Voltage driving apparatus for power amplifier, power amplifying system, power supply device and communication device
#5782Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information
#5783Systems and methods of RF power transmission, modulation, and amplification
#5784Method and system for sharing a single antenna for frequency modulation (FM) reception or FM transmission and near field communication (NFC)
#5785Method and system for minimizing power consumption in a communication system
#5786Power-amplifier arrangement
#5787N-way doherty distributed power amplifier with power tracking
#5788Power amplifier pre-distortion
#5789Multi-dimensional volterra series transmitter linearization
#5790Parallel correction amplifier
#5791Transmission module and phased array antenna apparatus
#5792Digital pre-distortion processing method and apparatus
#5793Pseudo-envelope follower power management system with high frequency ripple current compensation
#5794Independent PA biasing of a driver stage and a final stage
#5795Dynamic digital pre-distortion system
#5796PA bias power supply undershoot compensation
#5797Selecting PA bias levels of RF PA circuitry during a multislot burst
#5798Power amplifier and method for amplifying signal based on power amplifier
#5799PA envelope power supply undershoot compensation
#5800Selecting a converter operating mode of a PA envelope power supply
#5801Temperature correcting an envelope power supply signal for RF PA circuitry
#5802PHASE-ARRAYED TRANSCEIVER
#5803Operational amplifier
#5804Variable switched DC-to-DC voltage converter
#5805Pseudo-envelope following power management system
#5806Systems and methods of RF power transmission, modulation, and amplification, including varying weights of control signals
#5807Power amplifier insensitive to load impedance changes
#5808Apparatus and methods for electronic amplification
#5809Apparatus and methods for biasing power amplifiers
#5810Amplifier apparatus, radio transmitting apparatus including same, and method of adjusting gain of amplifier apparatus
#5811Pre-distortion architecture for compensating non-linear effects
#5812RF PA linearity requirements based converter operating mode selection
#5813Embedded RF PA temperature compensating bias transistor
#5814Feedback based buck timing of a direct current (DC)-DC converter
#5815DC-DC converter semiconductor die structure
#5816Amplifier with integrated filter
#5817Transfer Gate Circuit and Power Combining Circuit, Power Amplifying Circuit, Transmission Device, and Communication Device Using the Transfer Gate Circuit
#5818Apparatus and methods for envelope tracking
#5819Radio frequency power delivery system
#5820Integrated RF front end with stacked transistor switch
#5821Adaptive digital pre-distortion method and device to enhance the power utility of power amplifiers in wireless digital communication applications
#5822Power amplification based on phase angle controlled reference signal and amplitude control signal
#5823Quadrature lattice matching network
#5824Variable frequency circuit controller
#5825Wireless communication system
#5826Reduced power-consumption transmitters
#5827Method and system for compensating for estimated distortion in a transmitter by utilizing a digital predistortion scheme with a quadrature feedback mixer configuration
#5828Timing alignment for power amplifier
#5829Charge pump based power amplifier envelope power supply and bias power supply
#5830Enhanced Doherty amplifier
#5831Wide-band multi stage Doherty power amplifier
#5832Method and system for a configurable front end
#5833Overlay class F choke
#5834Power control
#5835Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
#5836Linear mode and non-linear mode quadrature PA circuitry
#5837Compound semiconductor device and method for manufacturing the same
#5838SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
#5839Method of producing semiconductor device and semiconductor device
#5840Semiconductor apparatus including protective film on gate electrode and method for manufacturing the semiconductor apparatus
#5841High efficiency power amplifier power architecture
#5842High efficiency amplification
#5843Temperature compensation circuit
#5844Systems and methods for thermal management for telecommunications enclosures using heat pipes
#5845Wide band LNA with noise canceling
#5846Control of cross-over point
#5847AM-PM synchronization unit
#5848Apparatus and methods for envelope tracking calibration
#5849Radio frequency splitter
#5850Power supply circuit of power amplifier, and terminal
#5851Combined RF detector and RF attenuator with concurrent outputs
#5852Power synthesis circuit for radio frequency power amplifier
#5853RF power amplifier
#5854Low noise RF driver
#5855Auto configurable 2/3 wire serial interface
#5856Systems and methods for power control in a multiple standard mobile transmitter
#5857Radio frequency amplifier circuit
#5858Low dissipation amplifier
#5859Sampling circuit, communication device, distortion correction circuit, signal sampling method, and program
#5860PA bias power supply efficiency optimization
#5861Amplifier providing power recovery from a narrow-band antenna
#5862Method and apparatus for canceling balun amplifier noise
#5863Multi-band wideband power amplifier digital predistorition system and method
#5864Doherty amplifier system and transmitter using the same
#5865Radio frequency power amplifier with linearizing predistorter
#5866Apparatus and methods for capacitive load reduction
#5867Wireless communication apparatus
#5868Systems and methods for providing modulation of switchmode RF power amplifiers
#5869Dual use transistor
#5870Bias point setting for third order linearity optimization of class A amplifier
#5871Devices and methodologies related to structures having HBT and FET
#5872High efficiency linearization power amplifier for wireless communication
#5873Radiofrequency amplifier
#5874Amplification Circuit, Electronic Device, Amplification Method
#5875Power amplifier saturation detection
#5876Systems and methods for ESD protection for RF couplers in semiconductor packages
#5877RADIO FREQUENCY SWITCH AND RADIO FREQUENCY MODULE
#5878Systems and methods for improved power yield and linerization in radio frequency transmitters
#5879Joint optimisation of supply and bias modulation
#5880AMPLIFIER CIRCUIT AND RADIO RECEIVER
#5881Quadrature power amplifier architecture
#5882High efficiency variable voltage supply
#5883Method and system for minimizing power consumption in a communication system
#5884Control modules
#5885WIRELESS COMMUNICATION HIGH-FREQUENCY CIRCUIT AND WIRELESS COMMUNICATION APPARATUS
#5886Radio transmitter and method for transmission of combined signal
#5887Power amplifier and transmitter
#5888Method and apparatuses for transmitter to multi-carrier power amplifier configuration
#5889Method and apparatus for compensating code channel power in a transmitter
#5890Transmission apparatus and distortion compensation method
#5891Method and system for enhancing efficiency by modulating power amplifier gain
#5892Transmitting a signal from a power amplifier
#5893Power supply stage
#5894Multi-mode high efficiency linear power amplifier
#5895Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage
#5896Radio apparatus having first and second amplifiers and which performs direct current offset correction of the first and second amplifiers
#5897Low-noise amplifier with gain enhancement
#5898CMOS millimeter-wave variable-gain low-noise amplifier
#5899DIGITAL PREDISTORTION CIRCUIT WITH EXTENDED OPERATING RANGE AND A METHOD THEREOF
#5900POWER AMPLIFIER
#5901System and method for pre-charging a current mirror
#5902Low noise amplifier with current bleeding branch
#5903Compact low-power receiver including transimpedance amplifier, digitally controlled interface circuit, and low pass filter
#5904Amplitude error de-glitching circuit and method of operating
#5905Variable gain amplifier
#5906Integrated RF front end with stacked transistor switch
#5907Second-order distortion correcting receiver and second-order distortion correcting method
#5908Transmission apparatus, radio communication apparatus, and transmission method
#5909Power amplifier amplitude modulator system and method
#5910Transmission power control method and transmission power control apparatus
#5911Amplifier module with multiple operating modes
#5912Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof
#5913Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus
#5914Solid-state RF power amplifier for radio transmitters
#5915Integrated linear power detection in an RF power amplifier
#5916POWER AMPLIFIER
#5917CMOS RF switch device and method for biasing the same
#5918High linearity CMOS RF switch passing large signal and quiescent power amplifier current
#5919High-frequency circuit
#5920Apparatus and method for directional coupling
#5921RF power amplifier device and operating method thereof
#5922System and method for controlling a power amplifier using a programmable ramp circuit
#5923Voltage distribution for controlling CMOS RF switch
#5924Apparatus and method for disabling well bias
#5925Apparatus and method for well buffering
#5926Apparatus and method for diffusion sensing
#5927APPARATUS AND METHOD FOR VOLTAGE DISTRIBUTION
#5928APPARATUS AND METHOD FOR VARIABLE VOLTAGE FUNCTION
#5929APPARATUS AND METHOD FOR VARIABLE VOLTAGE DISTRIBUTION
#5930ANTENNA AMPLIFIER DEVICE AND ANTENNA DEVICE PROVIDED IN MOBILE OBJECT
#5931Method and system for clocking FM transmit, FM receive, and near field communication functions using DDFS
#5932Method and System for Using a Transformer for FM Transmit and FM Receive Functionality
#5933Method of power amplifier calibration
#5934Segmented power amplifier with varying segment activation
#5935Dynamic digital pre-distortion system
#5936Power amplification device and communication device
#5937Power amplifier and power amplifying method
#5938System and method for power amplifier over-voltage protection
#5939Time alignment algorithm for transmitters with EER/ET amplifiers and others
#5940Feedforward controlled envelope modulator and feedforward control circuit thereof
#5941Reconfigurable outphasing Chireix amplifiers and methods
#5942Power detector
#5943Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor
#5944Distortion compensation device, radio communication device, and distortion compensation method
#5945Dual time alignment architecture for transmitters using EER/ET amplifiers and others
#5946Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry
#5947ELECTRONIC SUBASSEMBLIES FOR ELECTRONIC DEVICES
#5948PRINTED CIRCUIT BOARD COMPONENTS FOR ELECTRONIC DEVICES
#5949Multi-stage amplifier
#5950Distortion compensation circuit
#5951Reconfigurable wireless transmission system
#5952Passive transmitter architecture with switchable outputs for wireless applications
#5953RF power amplifier
#5954Power amplifier
#5955Front-end equalizer and amplifier circuit
#5956CURRENT DETECTOR
#5957Power amplifier and semiconductor integrated circuit
#5958Amplification control circuit
#5959Power amplifier linearization using cancellation-based feed forward methods and systems
#5960Dynamic gain assignment in analog baseband circuits
#5961RF power amplifier device and wireless communication terminal device
#5962Automatically setting an operative state of a wideband amplifier
#5963Parallel forward path cartesian feedback loop and loop filter with switchable order for cartesian feedback loops
#5964Power limiting circuit
#5965Adder, and power combiner, quadrature modulator, quadrature demodulator, power amplifier, transmitter and wireless communicator using same
#5966Split-band power amplifiers and duplexers for LTE-advanced front end for improved IMD
#5967LTE-Advanced (4G) front end radio architecture
#5968Semiconductor integrated circuit device and communication system
#5969Dual carrier amplifier circuits and methods
#5970Radio-frequency transmitter and amplifier
#5971High frequency power amplifier and operating method thereof
#5972Switchless band separation for transceivers
#5973Doherty amplifier with input network optimized for MMIC
#5974Method and system for bluetooth, near field communication and simultaneous FM transmission and reception functions
#5975Wireless communication system
#5976Semiconductor device
#5977Linearization circuits and methods for power amplification
#5978Wide band LNA with noise canceling
#5979Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
#5980Method and amplifier for cancelling magnetic coupling
#5981Frequency response compensation amplifier arrangements
#5982Amplifier for cable and terrestrial applications with independent stage frequency tilt
#5983TUNABLE IMPEDANCE INVERTER FOR DOHERTY AMPLIFIER CIRCUIT
#5984Power amplifier controller circuit
#5985CMOS power amplifiers having integrated one-time programmable (OTP) memories
#5986Radio frequency transmitter having an amplifier with power supply modulation
#5987Method and system for transmission or reception of FM signals utilizing a DDFS clocked by an RFID PLL
#5988Operational amplifier
#5989Receiving circuit
#5990Distortion compensation amplification device
#5991Remote radio head unit system with wideband power amplifier and method
#5992Modulation agnostic digital hybrid mode power amplifier system and method
#5993Multi-band, multi-mode RF transmit amplifier system with separate signal paths for linear and saturated operation
#5994Multiple envelope tracking system for an active antenna array
#5995SYSTEM AND METHOD FOR UWB TRANSMISSION PREDISTORTION AND RF WIRE-BOND INTERFACE TECHNIQUE RELATED APPLICATION
#5996Method and apparatus for compensating code channel power in a transmitter
#5997Single envelope tracking system for an active antenna array
#5998RFID device
#5999Radio frequency buffer
#6000Multiband low noise amplifier (LNA) with parallel resonant feedback