219129 ⎘
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
DIFFERENTIAL SIGNAL GENERATION CIRCUIT
#2DYNAMIC BIASING CIRCUITRY FOR TRANSCONDUCTANCE AMPLIFIER STAGE
#3POWER AMPLIFIER WITH ANALOG PREDISTORTION
#4POWER AMPLIFIER SYSTEM WITH GAIN EXPANSION COMPENSATION
#5CONTROL FOR RADIO-FREQUENCY AMPLIFIER
#6Transient Stabilized Cascode Biasing
#7CIRCUIT AND METHOD FOR BIASING A TRANSISTOR AND CORRESPONDING DEVICE
#8Transient stabilized cascode biasing
#9Radio-frequency amplifier circuits, devices and methods
#10POWER DETECTOR DEVICE AND METHOD OF CALIBRATING DETECTION POWER RANGE
#11Apparatus and methods for bias switching of power amplifiers
#12NON-CONTACT SENSING NODE, SYSTEMS AND METHODS OF REMOTE SENSING
#13Radio frequency power amplifier
#14Transient stabilized cascode biasing
#15AN ARRANGEMENT FOR CATV AMPLIFIER CONTROL
#16Apparatus and methods for bias switching of power amplifiers
#17Apparatus and methods for low noise amplifiers with mid-node impedance networks
#18Amplifier having envelope control
#19Apparatus and methods for oscillation suppression of cascode power amplifiers
#20Low noise power conversion system and method
#21HIGH-FREQUENCY AMPLIFIER
#22Power amplifier
#23Configurable modal amplifier system
#24Temperature compensated power amplifier gain
#25Apparatus and methods for low noise amplifiers with mid-node impedance networks
#26Apparatus and methods for bias switching of power amplifiers
#27Multi-mode stacked amplifier
#28Transient stabilized cascode biasing
#29Self-biasing and self-sequencing of depletion mode transistors
#30POWER AMPLIFICATION WITH ENVELOPE TRACKING TO PROVIDE ENVELOPE-BASED BIASING AND SUPPLY VOLTAGES
#31Front-end modules with integrated power amplifiers and low noise amplifiers to support carrier aggregation
#32Apparatus and methods for oscillation suppression of cascode power amplifiers
#33Inrush current limiter circuits having current regulating switches therein
#34Transient stabilized cascode biasing
#35DYNAMIC ERROR VECTOR MAGNITUDE COMPENSATION
#36Multistage power amplifier with bias compensating function
#37Power amplification circuit
#38SCHOTTKY ENHANCED BIAS CIRCUIT
#39High-voltage power amplification system
#40DYNAMIC ERROR VECTOR MAGNITUDE DUTY CYCLE CORRECTION
#41Pulse width distortion cancellation of a switching mode amplifier for reduced second harmonic interference
#42Power amplifier
#43TEMPERATURE COMPENSATED POWER AMPLIFIER GAIN
#44Self-biasing and self-sequencing of depletion-mode transistors
#45Base station antennas having transmitters and receivers therein that support time division duplexing (TDD) with enhanced bias control for high speed switching
#46Amplifier linearization in a radio frequency system
#47Multistage amplifier linearization in a radio frequency system
#48Envelope trackers providing compensation for power amplifier output load variation
#49Quadrature amplifier having envelope control
#50Amplifier arrangement
#51APPARATUS AND METHODS FOR BIASING LOW NOISE AMPLIFIERS
#52Doherty amplifier having envelope control
#53Amplification system with differential envelope-based bias
#54Apparatus and methods for low noise amplifiers with mid-node impedance networks
#55Power amplification circuit
#56Multi-mode stacked amplifier
#57Dynamic thermal compensation in a power amplifier
#58Amplifier bias technique
#59Current-limiting circuit for a power amplifier
#60APPARATUS AND METHODS FOR POWER AMPLIFIER BIASING
#61Power amplification system with adaptive bias control
#62Apparatus and methods for bias switching of power amplifiers
#63Bias circuit and power amplifier having the same
#64Dynamically configurable bias circuit for controlling gain expansion of multi-mode, single chain linear power amplifiers
#65Schottky enhanced bias circuit
#66Amplifier circuit
#67Stacked PA power control
#68Frequency dependent envelope tracking
#69Radio-frequency amplification systems, devices and methods
#70Digital dynamic bias circuit
#71Bias modulation active linearization for broadband amplifiers
#72RF power amplifier bias modulation with programmable stages
#73Amplifier linearization in a radio frequency system
#74POWER AMPLIFICATION SYSTEM WITH PROGRAMMABLE LOAD LINE
#75Power amplification circuit
#76RF power detector circuits
#77Dynamic error vector magnitude duty cycle correction
#78Source follower based envelope tracking for power amplifier biasing
#79Low impedance adaptive bias scheme for power amplifier
#80Temperature compensated power amplifier gain
#81Dynamic biasing of power amplifiers
#82Multistage amplifier linearization in a radio frequency system
#83Apparatus and methods for low noise amplifiers with mid-node impedance networks
#84Apparatus and methods for biasing low noise amplifiers
#85System and Method of RF Power Transmission, Modulation and Amplification
#86Power amplification system with envelope-based bias
#87Power amplification circuit
#88Adaptive impedance power amplifier
#89Dual output RF LNA
#90Power amplifier with input power protection circuits
#91Dynamic error vector magnitude compensation
#92Adaptive bias circuit for a radio frequency (RF) amplifier
#93Power amplifier system and associated control circuit and control method
#94Apparatus and methods for power amplifier biasing
#95Adaptive self-bias
#96Power amplification system with programmable load line
#97Dynamic error vector magnitude duty cycle correction
#98Amplifier linearization in a radio frequency system
#99Differential amplifier linearization in a radio frequency system
#100Switching supply delay compensation
#101Power control method of amplifying module
#102Open loop digital PWM envelope tracking system with dynamic boosting
#103Power amplifier
#104Power amplifier
#105Apparatus and methods for power amplifier bias circuits
#106Radio-frequency power amplifiers driven by boost converter
#107Amplifier bias circuit
#108Reconfigurable bias and supply drivers for radio frequency power amplifiers
#109Dual-band doherty amplifier and method therefor
#110Systems and methods of RF power transmission, modulation, and amplification
#111Method, apparatus and system for envelope tracking
#112Bias circuit and power amplifier having the same
#113Amplifier topology for envelope tracking
#114Method for compensating a power amplification unit of a wireless RF module
#115Low noise amplifier and chip
#116Electronic circuits including a MOSFET and a dual-gate JFET
#117Schottky enhanced bias circuit
#118Systems and methods for performing power amplifier bias calibration
#119Adaptive linearizer
#120Wideband bias circuits and methods
#121Radio-frequency amplifier circuit and control voltage setting method for radio-frequency amplifier circuit
#122Adaptive envelope tracking for biasing radio frequency power amplifiers
#123Dynamic bias current adjustment for power amplifiers
#124RF-input / RF-output outphasing amplifier
#125Power amplifier with envelope injection
#126High-frequency amplifier circuit
#127Circuits and methods for biasing a power amplifier
#128Power amplifier circuit capable of adjusting gain dynamically
#129Adaptive bias circuit
#130Amplifier system
#131PPA linearization
#132Adaptive bias circuit and power amplifier
#133Bias circuits and methods for stacked devices
#134Power detector with overdrive detection
#135Multi-mode bias modulator and envelope tracking power amplifier using the same
#136Power amplifier module
#137Power amplifier
#138Dynamic biasing of power amplifiers
#139Input buffer for semiconductor memory device and flash memory device including the same
#140Dynamic error vector magnitude compensation
#141Power amplification circuit and power amplification module
#142Power amplifier with wide band AM-AM feedback and digital pre-distortion
#143Method for compensating a power amplification unit of a wireless RF module
#144Power amplifier
#145Radio frequency signal amplifying system
#146Adaptive biasing scheme for an amplifier
#147Frequency selective predistortion
#148Amplifier
#149Amplifier
#150Dynamic error vector magnitude duty cycle correction
#151Read-out for MEMS capacitive transducers
#152Wideband bias circuits and methods
#153High speed amplifier
#154Power amplifier
#155Electronic circuits including a MOSFET and a dual-gate JFET
#156Apparatus and methods for biasing power amplifiers
#157Power amplifier architectures with input power protection circuits
#158Radio frequency transmitter with extended power range and related radio frequency transmission method
#159Dual instantaneous envelope tracking
#160Noise conversion gain limited RF power amplifier
#161Linear amplifier and multistage linear amplifier
#162High-frequency amplifier
#163Communications based adjustments of an offset capacitive voltage
#164Communications based adjustments of a parallel amplifier power supply
#165Electronic system—radio frequency power amplifier and method for dynamic adjusting bias point
#166Integrated start-up bias boost for dynamic error vector magnitude enhancement
#167High efficiency adaptive RF transmitter
#168Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
#169Transmitter with peak-tracking PAPR reduction and method therefor
#170Adaptive biasing scheme for an amplifier
#171Integrated start-up bias boost for dynamic error vector magnitude enhancement
#172Integrated start-up bias boost for dynamic error vector magnitude enhancement
#173Multi-band up-convertor mixer
#174Calibration of communication processing path
#175Supply tracking
#176Transmitter linearized in response to derivative signal and method therefor
#177Circuitry for reducing power consumption
#178Electronic circuits including a MOSFET and a dual-gate JFET
#179High-frequency amplifier, and high-frequency module and wireless transceiver using same
#180Transmitter linearized using look-up table with unadaptable data and method therefor
#181Power efficient transconductance amplifier apparatus and systems
#182Dual parallel amplifier based DC-DC converter
#183Noise reduction for envelope tracking
#184DEVICE AND METHOD FOR PRE-DISTORTING AND AMPLIFYING A SIGNAL BASED ON AN ERROR ATTRIBUTE
#185Self-powered comparator
#186Multi-band power amplifier
#187Combined filter and transconductance amplifier
#188Power amplifier
#189System and method for improving power efficiency of a transmitter
#190Systems and methods for adaptive bias circuits for a power amplifier
#191Method and system for minimizing power consumption in a communication system
#192Closed loop bias control
#193Method and apparatus for programmable envelope shaping circuit based on piecewise linear interpolation
#194Efficiency improvement of doherty power amplifier using supply switching and digitally controlled gate bias modulation of peaking amplifier
#195Bipolar stacked transistor architecture
#196Three-stage GaN HEMT doherty power amplifier for high frequency applications
#197Semiconductor device
#198Amplifier with non-linear current mirror
#199Digital pre-distortion power amplifying apparatus and method for digitally controlling synchronization thereof
#200Doherty amplifier
#201Fast power up comparator
#202Power amplifier and MMIC using the same
#203Transmitter linearized in response to signal magnitude derivative parameter and method therefor
#204Transmission circuit
#205Polar modulator
#206Joint optimisation of supply and bias modulation
#207Power consumption control circuit, amplifier circuit and power consumption control method
#208Method and system for minimizing power consumption in a communication system
#209Power amplifier and method for controlling power amplifier
#210Power amplifier
#211Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus
#212Two stage Doherty amplifier
#213High frequency amplifier, wireless device, and control method
#214Feedforward controlled envelope modulator and feedforward control circuit thereof
#215COMPARISON APPARATUS AND SPEED-UP METHOD FOR COMPARATOR
#216High frequency power amplifier and operating method thereof
#217Linearization circuits and methods for power amplification
#218Receiving circuit
#219Power amplifier
#220Dynamic range improvements of load modulated amplifiers
#221Self-healing power amplifier: methods and apparatus
#222Output common mode voltage stabilizer over large common mode input range in a high speed differential amplifier
#223Self-powered comparator
#224Method and system for minimizing power consumption in a communication system
#225Multimode power amplifier with predistortion
#226Power amplifier
#227Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier
#228RF power amplifiers with linearization
#229Pre-distortion apparatus of power amplifier and method thereof
#230Apparatus and method for envelope tracking power amplifier in wireless communication system
#231Linearization circuits and methods for power amplification
#232Adaptive bias circuit and system thereof
#233Pre-distortion and memory compensation apparatus
#234Radiofrequency signal power amplification method and device
#235Dynamic bias supply devices
#236Electronic circuit with cascode amplifier
#237HIGH-FREQUENCY AMPLIFIER
#238Amplifier compression adjustment circuit
#239RF POWER AMPLIFIER
#240Amplifying circuit and amplifying method
#241Amplifying circuit, AC signal amplifying circuit and input bias adjusting method
#242Amplifier compression adjustment circuit
#243Transmitter with reduced spectral regrowth and associated methods
#244Amplifier control device
#245Wireless Communication Apparatus
#246Methods and apparatus to reduce idle current in power amplifiers
#247Power amplifiers with discrete power control
#248Reconfigurable power amplifier and use of such amplifier for making a multi-standard amplification stage for mobile phone communications
#249Systems and methods for adjusting headroom of a power amplifier
#250Adaptive bias technique for field effect transistor
#251Joint optimisation of supply and bias modulation
#252Power amplifier with output power control
#253Integrated circuit with parallel sets of transistor amplifiers having different turn on power levels
#254SYSTEM AND METHOD FOR IM3 REDUCTION AND CANCELLATION IN AMPLIFIERS
#255RF power amplifiers with linearization
#256Power amplifier, power amplifier circuit and power amplifying method
#257DYNAMIC BIAS FOR RF POWER AMPLIFIERS
#258RF transmitter with bias-signal-induced distortion compensation and method therefor
#259Apparatus and method for bias modulator using zero current switching
#260Apparatus and method for amplifying signal power in a communication system
#261Transmitting RF signals employing both digital and analog components with a common amplifier
#262Micropower neural amplifier with adaptive input-referred noise
#263RF power amplifiers
#264Amplifier
#265Power amplifying device having linearizer
#266Bias circuits and signal amplifier circuits
#267Method and system for minimizing power consumption in a communication system
#268Method and system for minimizing power consumption in a communication system
#269Efficient Narrow Band Amplification Using Linear Amplifier
#270Thermal tail compensation
#271Power amplifier circuit having a bias signal inputted into input terminal and method thereof
#272Transmitter power amplifier working at different power supplies
#273Power amplifier circuit for peak envelope modulation of high frequency signal
#274Pre-distortion apparatus
#275Amplifier control device
#276RF power amplifier
#277Dynamically biased amplifier
#278Adaptive bias current circuit and method for amplifiers
#279System and method for IM3 reduction and cancellation in amplifiers
#280Differential amplifying system
#281Variable power adaptive transmitter
#282Variable power adaptive transmitter
#283Amplifier
#284Apparatus, methods and articles of manufacture for processing an electromagnetic wave
#285Apparatus for optimizing gate bias of radio frequency amplifier and method thereof
#286Use of a thick oxide device as a cascode for a thin oxide transconductance device in MOSFET technology and its application to a power amplifier design
#287Apparatus and method for high efficiency RF power amplification using drain bias adaptation
#288Efficient RF amplifier topologies
#289Apparatus for mobile communication system
#290Sliding bias circuit for enabling dynamic control of quiescent current in a linear power amplifier
#291Use of a thick oxide device as a cascode for a thin oxide transconductance device in MOSFET technology and its application to a power amplifier design
#292Dynamic bias for RF power amplifiers
#293Self adaptable bias circuit for enabling dynamic control of quiescent current in a linear power amplifier
#294Power amplifier and method for power amplification
#295Efficient generation of radio frequency currents
#296Transmitting apparatus
#297Optimizing power consumption in amplifiers
#298Bias circuit for a bipolar transistor
#299Power amplifiers
#300Single chip power amplifier and envelope modulator