Noise reduction circuit for canceling leakage signal

Power amplifier

Power circuit and power amplifier and base station device using the same

High-speed amplitude detector with a digital output

Amplifier with dynamic bias

Average power efficiency enhancement and linearity improvement of microwave power amplifiers

High-linearity complementary amplifier

High efficiency amplification

Power amplifier having input ends combined in series and output ends combined in series

Temperature compensation of collector-voltage control RF amplifiers

Low noise amplifier

Low noise amplifier and differential amplifier

Cascode amplifier and differential cascode voltage-controlled oscillator using the same

Bias circuit for the wireless transceiver

AGC module and method for controlling noise figure and intermodulation characteristics therein

Analog power amplifier predistortion methods and apparatus

Analog variable gain amplifier with improved dynamic range characteristics

DEVICE, SYSTEM, AND METHOD OF LOW-NOISE AMPLIFIER

Solid state power amplifier with multi-planar MMIC modules

Power amplifier

Large-dynamic-range lookup table for a transmitter predistorter and system and method employing the same

Amplifier and method for operating the same

Multi-Stage RF Amplifier Including MMICs and Discrete Transistor Amplifiers in a Single Package

System and method for amplifier gain measurement and compensation

Reduced distortion radio frequency amplifiers

Bypass circuit for radio-frequency amplifier stages

Power amplifier amplitude modulator system and method

Buffer circuit for reducing differential-mode phase noise and quadrature phase error

Dual mode RF power amplifier

Ultra-wideband low noise amplifier and amplification method thereof

MULTI-INPUT MULTI-OUTPUT AMPLIFIER, AN ACTIVE INDUCTOR, A FILTER AND A RADIO COMMUNICATION DEVICE

Gain switching low-noise amplifier circuit

Radio frequency signal amplifying device

Circuit and method for reducing bias noise in amplifier circuits

Radio-frequency power amplifier

Adaptive radio transceiver with filtering

Amplifier

Digital hybrid mode power amplifier system

Multiple output power mode amplifier

Mixer circuit and RF transmitter using such mixer circuit

Transformer circuit

Negative gcircuit, a filter and low noise amplifier including such a filter

SYSTEM AND METHOD FOR DIGITAL MODULATION

Amplifier circuit

Origami cascaded topology for analog and mixed-signal applications

Variable-gain low-noise amplifier

Wireless frequency power amplifier, semiconductor device, and wireless frequency power amplification method

Transmission line amplifier

Variable gain amplifier

Power supply providing ultrafast modulation of output voltage

Wireless communication system

Multi-mode power amplifier with low gain variation over temperature

Power amplifier circuit, control method thereof and control program thereof

RF power amplifier mirror circuit for sensing current

Dual input low noise amplifier for multi-band operation

Adaptive protection circuit for a power amplifier

Driver calibration methods and circuits

Bias control circuit and method of controlling bias of RF power amplifier

Low noise amplifier

Power combiner

Adaptive radio transceiver with floating mosfet capacitors

Radio frequency application circuit

Adaptive radio transceiver with an antenna matching circuit

Multimode amplifier for operation in linear and saturated modes

Wave detector circuit

Wideband linearization and adaptive power management for microwave power amplifiers

Transmission Device, Transmission Power Control Method, and Radio Communication Device

Electrical Circuit

Method and system for a transformer-based high performance cross-coupled low noise amplifier

RFIC with high power PA

Programmable variable gain amplifier and RF receiver including the same

Cascode low noise amplifier with a source coupled active inductor

Constant current bias circuit and associated method

Switching Low Noise Amplifier

System and method for pre-charging a current mirror

Integrated channel filter using multiple resonant filters and method of operation

Multi-octave differential upconverter

Amplifier circuit and receiving device

Amplifier device with adjustable supply voltage

Multi-gain amplifier with input impedance control

RF amplifier

Transmission circuit and communication device

Amplifier feedback and bias configuration

System and method for power amplifier output power control

System and method for power amplifier output power control

Remote nonlinearity detection via burst power dithering

Peak suppressor

Circuit with Q-enhancement cell having programmable bias current slope

System and method for low delay corrective feedback power amplifier control

Low distortion radio frequency (RF) limiter

Multi-mode power amplifier with high efficiency under backoff operation

Radio frequency integrated circuit electro-static discharge circuit

RF amplifier with pulse detection and bias control

Cascode-connected amplifier circuit, semiconductor integrated circuit using same, and receiving apparatus using same

Two-port dual-gate HEMT for discrete device application

Apparatus and method for exploiting reverse short channel effects in transistor devices

Adaptive radio transceiver with filtering

Power amplifier with stabilising network

Adaptive bias current circuit and method for amplifiers

High efficiency linearization power amplifier for wireless communication

Multi-mode power amplifier with reduced low power current consumption

High efficiency variable voltage supply

Single-ended input to differential-ended output low noise amplifier

Wireless communication system using a single trace for transmitting signals

Controlling the ratio of amplification factors between linear amplifiers

RF power amplifier controller circuit with compensation for output impedance mismatch

Radiofrequency (RF) and/or microwave power amplification device and corresponding radiocommunication terminal

Frequency switch for multiband power amplifier applications and multiband/multistandard power amplifier module

Wide bandwidth, high power amplifier

Automatically setting an operative state of a wideband amplifier

Signal distribution system cascadable AGC device and method

Wireless communication system

Variable gain amplifier

Method and arrangement for optimizing efficiency of a power amplifier

Integrated Crosspoint Switch with Band Translation

Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers

Multi-stage broadband amplifiers

Amplifier with passive data port for continuous VoIP

Driving voltage control module

NxM crosspoint switch with band translation

Adaptive radio transceiver with an antenna matching circuit

Low noise amplifier

Diode circuit having passive element property, impedance modulator including the diode circuit, and DC source including the diode circuit

Amplifier arrangement and method of signal amplification

Variable gain amplifier and wireless communication apparatus including the same

Driver calibration methods and circuits

Power amplifier and transmitter

CMOS wireless transceiver with programmable characteristics

Systems ramping power amplifier output power

Integrated RF front end with stacked transistor switch

RF amplifier

Power amplifier with multi mode gain circuit

Integrated channel filter using multiple resonant filters and method of operation

Bipolar transistor and radio frequency amplifier circuit

Method for switching a power amplifier

OFDM amplifier and method therefor

Protection of output stage transistor of an RF power amplifier

Multi-band low noise amplifier, multi-band low noise amplifier module, wireless integrated circuit and multi-band RF module

Systems, methods and devices for differential active bias of multi-stage amplifiers

Mixer circuit with bypass and mixing modes having constant even order generation and method of operation

Power amplifier with bias control

Wireless communication system

Bias control system for a power amplifier

Semiconductor device

Semiconductor device, manufacturing method of the same, and electronic device

Circuit for power amplification

Gain boosting RF gain stage with cross-coupled capacitors

Method and apparatus for addressing receive band noise problems associated with the use of a digital power amplifier

System and method for digital memorized predistortion for wireless communication

High-frequency power amplifier

Radio frequency integrated circuit electo-static discharge circuit

High efficiency amplification

Distributed active transformer power control techiques

Method and apparatus for gain control

Broadband amplifier with improved noise figure and distortion characteristics

Programmable automatic signal amplitude control circuit

Low-noise amplifier with a transformer

RF power amplifier

Circuit for converting a differential signal into a non-differential signal, and RF transmitter comprising such a circuit

Optimizing power consumption in amplifiers

Bias circuit for a bipolar transistor

Radio frequency variable gain amplifier with linearity insensitive to gain

Adaptive radio transceiver with floating MOSFET capacitors

Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus using the same

Monolithically fabricated HBT amplification stage with current limiting FET

High frequency amplifier circuit

Power amplifier arrangement having two or more antenna coupling respective amplifiers to a supply potential

Bias circuit with threshold voltage change compensation function and temperature change compensation function

Adaptive radio transceiver with an antenna matching circuit

Antenna diversity structure for use in a radio frequency integrated circuit

Ultralow temperature low noise amplification apparatus

Millimeter-wave unilateral low-noise amplifier

Amplifier; and transmitter and communication device incorporating the same

Power amplifier module

Driver circuit

Integrated circuit

High frequency power amplifier

Power amplifier having enhanced swing cascode architecture

Method and apparatus for realizing a low noise amplifier

Amplifier power control circuit

Bias circuit

Amplifier and frequency converter

Amplifier arrangement

Radio frequency integrated circuit having an antenna diversity structure

Monolithically integrated power amplifier device

Amplifier circuit with active gain step circuit

High-frequency amplifier circuit

NxM crosspoint switch with band translation

Antenna systems for circularly polarized radio signals

Multiple transistor low noise amplifier optimized for cryogenic temperatures

Logarithmic power detector with noise compensation

Experimental verification and optimization of two-stage amplifier

Disabled input switch for LNA input attenuation

Circulator with integrated directional coupler, and communication systems including the same

Antenna systems for circularly polarized radio signals

Wireless amplifier circuitry for carrier aggregation

Method and apparatus for non-coherent detection of overlapped chirp signal to increase data rate of a chirp spread

Electronically-scanned antennas with distributed amplification

Envelope tracking power amplifier circuit and related apparatus

High speed switching radio frequency switches

Satellite system having radio frequency assembly with signal coupling pin and associated methods

Vacuum tube and transistor amplifier natural sound field tone dividing system

Variable gain amplifier and sampler offset calibration without clock recovery

Linear-in-dB log-amp with calibration for power detection

Method and apparatus for rapidly and dynamically adjusting current limiting in a portable communication device

Method and apparatus for rapidly and dynamically adjusting current limiting in a portable communication device

Receiver with multi-spectrum parallel amplification

Digital-controlled vector signal modulator

Ring oscillator based all-digital Bluetooth low energy transmitter

Automatic gain control system and method with improved blocker performance

Method for improving threshold accuracy in an RFID-device through offset cancellation

SPDT switch with high linearity

High efficiency S-band amplifier

Supply modulator for polar power amplifier

Method and apparatus for rapidly and dynamically adjusting current limiting in a portable communication device

Method and apparatus for rapidly and dynamically adjusting current limiting in a portable communication device

Fully differential adjustable gain devices and methods for use therewith

DC coupled radio frequency modulator

Reconfigurable carrier aggregation FECC with switched filters and programmable band switching LNA

Transceivers with dual power amplifiers for wireless communications

Analog automatic gain control based on estimated distributions of signal characteristics

Concurrent support for multiple frequency bands for satellite navigation signals

Phased array antenna system

Adaptive counter measure control thwarting IMD jamming impairments for RF plasma systems

Direct conversion receiver with correction for second order distortion in RF mixer

Multi-mode power management circuit

Multi-mode mobile power management circuit

Wireless radio frequency transceiver system for internet of things

Method to build asymmetrical transmit/receive switch with 90 degrees impedance transformation section

Multiphase pulse modulated transmitter

Front end module with input match configurability

Fast charge for quick amplifier settling

Calibrating a power amplifier such as in a remote unit in a wireless distribution system (WDS)

Circuits and methods for spatial equalization of in-band signals in MIMO receivers

Biasing for lower Rof LDO pass devices

Power amplifier self-heating compensation circuit

Apparatus and method for controlling wireless transmission

LDO with fast recovery from saturation

Automatic gain control (AGC) circuit and method to control amplifier gain based on a duration of an overload condition

Current-mode hysteresis comparator

Series-type Doherty amplifier

Frequency enhanced active transistor

Waveguide to microstrip line N-port power splitter/combiner

High power radio frequency amplifier architecture

Biased passive mixer

Systems and methods for a switchless radio front end

Dynamic receive sensitivity

Pulse shaping biasing circuitry

Multi-band Doherty amplifier device and method therefor

Apparatus for controlled overshoot in a RF generator

Phase-stiff RF power amplifier for phased array transmit/receive modules

Balun based phase inverter using replica load

Apparatus and method for bypassing amplifiers used to amplify signals received by wireless communication systems

Feed reflected Doherty amplifier and method for driving Doherty amplifiers

Method for system level oriented load-pull-based envelope tracking power amplifiers

Method for improving stable frequency response of variable gain amplifier

Internally matched active single-to-differential RF converter

Integrative software radio frequency management system and method for compensation of nonlinear response in radio frequency devices

Variable gain and slope active topology

Mixer impairment correction based on volterra series

Method and apparatus for envelope tracking calibration

System and method for providing a switchless selectable input balanced low noise amplifier

ESA phase shifter topology

Active electronically scanned array with power amplifier drain bias tapering

Systems and methods using digital predistortion to linearize radio transmitter operation

Receiving apparatus

Spur cancellation using auxiliary synthesizer

Tunable filter for RF circuits

Communication device with power supply load variation noise reduction for envelope tracking and method therefor

Wideband baluns and methods of their manufacture

Injecting a tone for image rejection calibration

System and method for a low noise amplifier module

Apparatus and methods for dual loop power amplifier digital pre-distortion systems

Programmable broad bandwidth gain amplifier

Dynamically configurable bias circuit for controlling gain expansion of multi-mode single chain linear power amplifiers

Multiple-port signal boosters

Radio frequency transmitting device and radio frequency receiving device

Methods and apparatus for adjusting transmit signal clipping thresholds

RF stacked power amplifier bias method

Wide-band amplifiers using clipper circuits for reduced harmonics

Frequency enhanced active transistor

Threshold voltage-tracking bias circuit for radio frequency power amplifier