219679 ⎘
Indexing scheme relating to amplifiers A transformer being used as coupling element between two amplifying stages
MULTI-MODE POWER AMPLIFIER SIGNAL SWITCHING
#2COUPLER FOR AMPLIFIED SIGNAL COUPLING AND CHIP INCLUDING THE SAME
#3LOAD MODULATED POWER AMPLIFIERS WITH PHASE COMPENSATION
#4RECONFIGURABLE AMPLIFIER SYSTEM WITH A SWITCHABLE MULTIPLE-COIL TRANSFORMER
#5MULTI-GATE DIFFERENTIAL POWER AMPLIFIER
#6Multipath Amplifier with Compact Power Splitting and Combining Transformers
#7Transformer Power Combiner Apparatus and Control Method
#8POWER RECONFIGURABLE POWER AMPLIFIER
#9POWER AMPLIFIER CIRCUIT AND POWER AMPLIFICATION METHOD
#10Power Amplifier with Current Reuse
#11POWER AMPLIFIER CIRCUIT
#12Amplifier with integrated gain slope equalizer
#13DIFFERENTIAL AMPLIFYING APPARATUS
#14GAIN BOOSTING IN POWER AMPLIFIERS USING RF-COUPLED FEEDBACK
#15POWER AMPLIFIER SYSTEM WITH REDUCED GAIN VARIATION FOR ENVELOPE TRACKING APPLICATIONS
#16POWER AMPLIFIER SYSTEM WITH REDUCED GAIN VARIATION AND PUSH-PULL STAGE NEUTRALIZATION
#17RADIOFREQUENCY AMPLIFIER
#18Power reconfigurable power amplifier
#19SYSTEM AND METHOD FOR ADJUSTING AMPLIFIER BIAS CURRENT BASED ON INPUT SIGNAL ENVELOPE TRACKING
#20Dynamically configurable transmitter power levels
#21System and method for adjusting amplifier bias using envelope tracking
#22MULTI-MODE POWER AMPLIFIER SIGNAL SWITCHING
#23Amplifier with switchable transformer
#24DISTRIBUTED ACTIVE POWER COMBINING AMPLIFIER
#25Power amplifier circuit
#26Power amplifier circuit
#27RF power amplifier with balun transformer
#28Differential amplifier circuit
#29Isolation circuit systems and methods thereof
#30Amplifier
#31Power amplifier circuit
#32Radio frequency signal transceiver
#33Amplifier with integrated gain slope equalizer
#34Wideband reconfigurable impedance matching network
#35Isolation circuit
#36Power amplifier circuit
#37POWER AMPLIFIER USING MULTI-MODE DISTRIBUTED ACTIVE TRANSFORMER
#38Power amplification device, terminal having the same, and base station having the same
#39Load-line switching for push-pull power amplifiers
#40Power amplification system with reactance compensation
#41Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith
#42Continuous-mode harmonically tuned power amplifier output networks and systems including same
#43Power amplifier
#44Power amplifier circuit
#45Two-stage electromagnetic induction transformer
#46Integrated CMOS transmit/receive switch in a radio frequency device
#47Power amplifier circuit
#48Low noise amplifier
#49Tunable power amplifier with wide frequency range
#50Asymmetrical parallel-combining (APC) technique for RF power amplifier
#51Low-loss isolating outphasing power combiner in a radio frequency device
#52CMOS RF front-end of transmitter for rotational spectroscopy
#53Linearization of a radiofrequency-signal transmission chain
#54Transceiving device
#55Isolation circuit
#56Power amplification system with reactance compensation
#57Power amplification device, terminal having the same, and base station having the same
#58Circuits for wireless communication on multiple frequency bands
#59Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith
#60Apparatus and method for improving efficiency of power amplifier
#61Source follower based envelope tracking for power amplifier biasing
#62Transformer based on-package power combiner
#63Doherty amplifiers
#64Amplifiers operating in envelope tracking mode or non-envelope tracking mode
#65Active transformer, corresponding apparatus and method
#66Systems for amplifying a signal using a transformer matched transistor
#67Transformer based impedance matching network and related power amplifier, ADPLL and transmitter based thereon
#68RF amplifier to increase gain using transformer
#69Semiconductor device
#70Bias control for stacked transistor configuration
#71Push-pull amplifier, corresponding apparatus and method
#72Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith
#73Active device and circuits used therewith
#74Radio frequency circuitr having an integrated harmonic filter and a radio frequency circuit having transistors of different threshold voltages
#75Switching mode power amplifier with load isolation
#76Driver
#77Tunable power amplifier with wide frequency range
#78Decoupling loop for reducing undesired magnetic coupling between inductors, and related methods and devices
#79Dynamic tuning of a transformer-based radio frequency power amplifier
#80Control systems and methods for power amplifiers operating in envelope tracking mode
#81Input driver for power amplifier and transmitter
#82Integrated CMOS transmit/receive switch in a radio frequency device
#83Transmit-receive isolation in a transformer-based radio frequency power amplifier
#84Amplifiers operating in envelope tracking mode or non-envelope tracking mode
#85Optimization methods for amplifier with variable supply power
#86Magnetically coupled load modulation
#87Amplifier dynamic bias adjustment for envelope tracking
#88Amplifier dynamic bias adjustment for envelope tracking
#89Linear row array integrated power combiner for RF power amplifiers
#90Two-stage electromagnetic induction transformer
#91CMOS tuner and related tuning algorithm for a passive adaptive antenna matching network suitable for use with agile RF transceivers
#92Transformer based impedance matching network and related power amplifier, ADPLL and transmitter based thereon
#9360 GHz wideband class E/Fpower amplifier
#94Semiconductor device
#95Tunable power amplifier with wide frequency range
#96Distributed power amplifier circuit
#97Switched capacitor transmitter circuits and methods
#98Switched capacitor transmitter circuits and methods
#99Power supply circuits incorporating transformers for combining of power amplifier outputs and isolation of load voltage clamping circuits
#100Signal amplification system
#101Driver amplifier systems and methods of their operation
#102Control of cross-over point
#103Bias control for stacked transistor configuration
#104Multi-path devices with mutual inductance compensation networks and methods thereof
#105Variable gain multistage amplifier and receiver
#106Transformers and methods for fabricating transformers
#107System, method and device for power amplification of a signal in an integrated circuit
#108Systems and methods for combining power through a transformer
#109Quadrature modulator
#110Direct current (DC)-DC converter having a multi-stage output filter
#111Multiple-state, switch-mode power amplifier systems and methods of their operation
#112Multiple-state, switch-mode power amplifier systems and methods of their operation
#113Amplifier
#114Variable matching circuit and amplifier
#115High-frequency amplifier circuit, semiconductor device, and magnetic recording and reproducing device
#116Low inductance transformer
#117Power amplifier and communication device
#118Systems and methods for operating a power amplifier
#119Power amplification device
#120Power amplifiers with push-pull transistors, capacitive coupling for harmonic cancellation, and inductive coupling to provide differential output signals
#121Control systems and methods for power amplifiers operating in envelope tracking mode
#122Amplifier dynamic bias adjustment for envelope tracking
#123Amplifiers operating in envelope tracking mode or non-envelope tracking mode
#124Optimization methods for amplifier with variable supply power
#125RF transmitter, integrated circuit device, wireless communication unit and method therefor
#126Systems and methods for boosting a received AC signal using a power amplifier including phase conditioners
#127Power distribution circuit
#128Amplifiers with noise splitting
#129Efficient power transfer power amplifier (PA) architecture
#130CMOS based TX/RX switch
#131CMOS based RF antenna switch
#132Radio frequency front end module circuit incorporating an efficient high linearity power amplifier
#133Envelope tracking signal generator incorporating trim cell
#134Efficient linear integrated power amplifier incorporating low and high power operating modes
#135Two dimensional quad integrated power combiner for RF power amplifiers
#136Linear row array integrated power combiner for RF power amplifiers
#137DC-DC converter incorporating trim cell
#138RF power amplifier splitter
#139System and method for transmitting a radio frequency signal through a speaker coil
#140Method and apparatus for high efficiency, high dynamic range digital RF power amplification
#141Front end module with tone injection
#142Silicon-on-insulator high power amplifiers
#143Dual inductive element charge pump buck and buck power supplies
#144Control of cross-over point
#145Multiband RF switch ground isolation
#146Direct current (DC)-DC converter having a multi-stage output filter
#147Extremely high frequency dual-mode class AB power amplifier
#148Low distortion filters
#149High efficiency path based power amplifier circuitry
#150Front-end system for radio devices
#151Transformer power amplifier
#152Multiple functional equivalence digital communications interface
#153Voltage multiplier charge pump buck
#154Interference reduction between RF communications bands
#155Multimode RF amplifier system
#156Power amplifier and amplification method thereof
#157Silicon-on-insulator high power amplifiers
#158Digitally-scalable transformer combining power amplifier
#159MULTI-MODE POWER AMPLIFIER
#160High-frequency power amplifying device
#161Cascaded converged power amplifier
#162Single-ended to differential amplifier
#163Power amplifier
#164High performance pre-mixer buffer in wireless communications systems
#165Transformer and CMOS power amplifier including the same
#166High output power digital TX
#167Push-pull amplifier having inductive common mode decoupling
#168Independent PA biasing of a driver stage and a final stage
#169PA bias power supply undershoot compensation
#170Selecting PA bias levels of RF PA circuitry during a multislot burst
#171PA envelope power supply undershoot compensation
#172Selecting a converter operating mode of a PA envelope power supply
#173Temperature correcting an envelope power supply signal for RF PA circuitry
#174RF PA linearity requirements based converter operating mode selection
#175Embedded RF PA temperature compensating bias transistor
#176Feedback based buck timing of a direct current (DC)-DC converter
#177DC-DC converter semiconductor die structure
#178Power combiner, power amplifying module having the same, and signal transceiving module
#179Reduced power-consumption transmitters
#180Charge pump based power amplifier envelope power supply and bias power supply
#181Overlay class F choke
#182Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
#183Linear mode and non-linear mode quadrature PA circuitry
#184Control of cross-over point
#185Asymmetrical transformer output demultiplexing (atodem) circuit
#186Enhanced transformer output demultiplexing method (ETODEM)
#187Combined RF detector and RF attenuator with concurrent outputs
#188Cross-differential amplifier
#189Auto configurable 2/3 wire serial interface
#190Techniques on input transformer to push the OP1dB higher in power amplifier design
#191Techniques to improve the stress issue in cascode power amplifier design
#192PA bias power supply efficiency optimization
#193Differential power amplifiers with push-pull power amplifiers and even-harmonic cancellation
#194Amplifier providing power recovery from a narrow-band antenna
#195Bond wire transformer
#196Power amplification circuit having transformer
#197Quadrature power amplifier architecture
#198PA load-line tuning with capacitors around a balun
#199Transformer
#200Power amplifier with transistor input mismatching
#201Method and apparatus for transformer power combiner and dynamic power control for outphasing power amplifiers
#202Variable gain control transformer and RF transmitter utilizing same
#203High performance transmitter preamplification chain with calibration feedback
#204Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage
#205Broadband power combining method and high power amplifier using same
#206Narrow-band tunable radio frequency (RF) power amplifiers and related methods
#207Power amplifier
#208Adaptive power amplifier
#209Transformer structures for a power amplifier (PA)
#210Method for adjusting the maximum output power of a valve power amplifier stage for an audio amplifier, and corresponding valve power amplifier stage
#211Decade bandwidth planar MMIC four port transformer
#212Front end module with tone injection
#213Saw-less receiver with offset RF frequency translated BPF
#214FRONT END MODULE WITH SCALABLE IMPEDANCE BALANCING
#215Front end module with active tuning of a balancing network
#216Front end module with a tunable balancing network
#217Ultra-high efficiency switching power inverter and power amplifier
#218Area efficient concurrent matching transceiver
#219Variable class characteristic amplifier
#220Silicon-on-insulator high power amplifiers
#221Split-band power amplifiers and duplexers for LTE-advanced front end for improved IMD
#222LTE-Advanced (4G) front end radio architecture
#223Multi-primary distributed active transformer amplifier power supply and control
#224IMPEDANCE MATCHING CIRCUIT ELIMINATING INTERFERENCE BETWEEN SIGNAL LINES AND POWER AMPLIFIER HAVING THE SAME
#225Method and apparatus for biasing an amplifier
#226MULTI-BAND POWER AMPLIFIER WITH HIGH-FREQUENCY TRANSFORMER
#227Current canceling variable gain amplifier and transmitter using same
#228Wireless apparatus having shielding function
#229Cascaded amplifiers with transformer-based bypass mode
#230Multi-stage CMOS power amplifier
#231Amplifier circuit and communication device
#232Power amplifier
#233Efficient linear LINC power amplifier
#234Method and apparatus for biasing an amplifier
#235SYSTEM AND METHOD FOR A SINGLE CHIP DIRECT CONVERSION TRANSCEIVER IN SILICON
#236Output networks in combination with LINC technique
#237Multi-primary distributed active transformer amplifier power supply and control
#238Outphasing amplification of digital modulated signals in a radiofrequency transmission system
#239Transformer power splitter having primary winding conductors magnetically coupled to secondary winding conductors and configured in topology including series connection and parallel connection
#240Distributed active transformer based millimeter-wave power amplifier circuit
#241Reconfigurable distributed active transformers
#242Transformer power combiner having a plurality of current combiners coupled in series and a voltage combiner coupled to a series connection of the current combiners
#243Method and system for on-chip impedance control to impedance match a configurable front end
#244Amplifier and radio
#245Offset cancellation for DC isolated nodes
#246Distributed active transformer amplifier with differential power combiner
#247Output gain stage for a power amplifier
#248Power amplification circuit having transformer
#249Systems and methods for power amplifiers with voltage boosting multi-primary transformers
#250Cross-differential amplifier
#251Transformer capable of removing harmonic components
#252RF amplification device
#253Current canceling variable gain amplifier and transmitter using same
#254Low noise amplifier
#255N:M TRANSFORMER AND IMPEDANCE MATCHING
#256HYBRID IMPEDANCE MATCHING
#257Wideband differential amplifier including single-ended amplifiers coupled to a four-port transformer
#258Systems and methods for power amplifier with integrated passive device
#259Low offset input circuit and transmission system with the input circuit
#260Amplifier providing power recovery from a narrow-band antenna
#261Inductive decoupling of a RF coil array
#262Controlling power with an output network
#263Self-oscillating modulator
#264Decade bandwidth planar MMIC four port transformer
#265Providing pre-distortion to an input signal
#266DC common mode level shifter
#267Transformer power combiner having secondary winding conductors magnetically coupled to primary winding conductors and configured in topology including series connection and parallel connection
#268Optical receiver with automatic distortion cancellation
#269Differential amplifier
#270Broadband reciprocal active balun structure
#271Receiver comprising an amplifier
#272Multi-primary distributed active transformer amplifier power supply and control
#273Output networks in combination with LINC technique
#274Amplifier, radio transmitting apparatus, and radio receiving apparatus
#275RF amplifying device
#276Power amplifier using power combiner
#277Distributed circular geometry power amplifier architecture
#278Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies
#279Origami cascaded topology for analog and mixed-signal applications
#280Widebrand differential amplifier including single-ended amplifiers coupled to a four-port transformer
#281Cross-differential amplifier
#282Reconfigurable distributed active transformers
#283Power combiner
#284Audio power amplifier apparatus
#285Systems and methods for power amplifiers with voltage boosting multi-primary transformers
#286Switched impedance transformer for semiconductor circuits
#287Merged low-noise amplifier and balun
#288Bypassable low noise amplifier topology with multi-tap transformer
#289Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies
#290Low-noise amplifiers
#291Directive, broadband, high gain, active antenna system
#292Wide bandwidth, high power amplifier
#293Signal amplification through an electromagnetic device
#294Cross-differential amplifier
#295Multi-loop type transformer
#296Wire-stacked transformer
#297Bypassable low noise amplifier topology with multi-tap transformer
#298Amplification circuit improved with linearity and frequency converter using the same
#299Reconfigurable distributed active transformers
#300Distributed circular geometry power amplifier architecture