219194 ⎘
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Circuit arrangements for protecting such amplifiers
FRONT-END AMPLIFIER
#302Method and apparatus for computing metric values for loudspeaker protection
#303Digitally controlled AC protection and attenuation circuit
#304Apparatus and methods for amplifier fault protection
#305Integrated circuit
#306Active transducer probes and circuits
#307Adaptive protection circuit module for operational amplifier and adaptive protection method thereof
#308Split capacitors scheme for suppressing overshoot voltage glitches in class D amplifier output stage
#309Amplification circuit comprising input signal limiting network
#310Instrumentation input systems
#311Embedded speaker protection for automotive audio power amplifier
#312Power amplifier
#313Amplifier circuit and light receiving circuit
#314Amplifier thermal management
#315Integrated circuit
#316Low-stress cascode structure
#317Audio amplifier
#318Microphone amplifier with overload circuit
#319Class D amplifier and control method
#320Electrostatic discharge (ESD) protection device
#321Low noise amplifier protection using a clamping device
#322Control of a loudspeaker output
#323BASE STATION RADIO FREQUENCY SYSTEM AND METHOD FOR PROTECTING RADIO FREQUENCY POWER AMPLIFIER
#324Performance optimization of power amplifier
#325Power supply with rectifier protection
#326Method and system for excursion protection of a speaker
#327Circuit arrangement for a redundant power supply for a power amplifier
#328Isolated zero degree reactive radio frequency high power combiner
#329Low leakage ESD structure for non-contact bio-signal sensors
#330Receiver with overloading protection/prevention
#331Charge pump electrostatic discharge protection
#332Systems and methods for saturation correction in a power control loop
#333Frequency correction of a programmable frequency oscillator by propagation delay compensation
#334Power synthesis circuit for radio frequency power amplifier
#335ESD protection devices and methods for forming ESD protection devices
#336AMPLIFIER WITH HIGH-FREQUENCY NOISE REMOVING FUNCTION, MICROPHONE MODULE, AND SENSOR MODULE
#337Low dissipation amplifier
#338Amplifier circuit with overshoot suppression
#339Systems and methods for ESD protection for RF couplers in semiconductor packages
#340Amplifying circuit
#341Instrumentation input systems
#342Implementing a piecewise-polynomial-continuous function in a translinear circuit
#343Signal amplifier, bridge connection signal amplifier signal output device, latch-up prevention method, and program storage medium
#344RF power amplifier
#345Active transducer probes and circuits
#346Signal amplification device and signal amplification method
#347Amplifying circuit and current-voltage conversion circuit
#348ESD protection of an RF PA semiconductor die using a PA controller semiconductor die
#349Power amplifier module with shared ESD protection circuit
#350First stage audio amplifier with clamping circuit
#351Method and apparatus for maintaining circuit stability
#352Transmission-line-based ESD protection
#353AMPLIFYING DEVICE FOR CONDENSER MICROPHONE
#354Mute control circuit and electronic device using same
#355OVERCURRENT PROTECTION CIRCUIT AND SEMICONDUCTOR DEVICE
#356Power amplifier amplitude modulator system and method
#357DYNAMIC CONSTANT POWER AMPLIFIER
#358Method and system for controlling amplifiers
#359Audio amplifier performance while maintaining USB compliance and power down protection
#360Protection circuit for radio frequency power amplifier
#361Overdrive protection circuit
#362Current source arrangement, circuit arrangement with the current source arrangement and method for operating such an arrangement
#363Apparatus and method for controlling power amplifier
#364System and method for power amplifier over-voltage protection
#365Semiconductor integrated circuit device
#366CURRENT DETECTOR
#367System and method for adapting a loudspeaker signal
#368Amplifier for cable and terrestrial applications with independent stage frequency tilt
#369System and method for sensing an amplifier load current
#370High voltage, high frequency ESD protection circuit for RF ICs
#371Amplification apparatus
#372Audio amplifier having load adjustment and method for the load adjustment of the audio amplifier
#373Dynamic constant power amplifier
#374Power amplifier device
#375VSWR compensation circuits for RF transmit chain
#376Managing power supply transients
#377Area and power efficient, high swing and monolitihic ground centered headphone amplifier circuit operable on a low voltage
#378Amplifier circuit with overshoot suppression
#379OVERCURRENT DETECTION CIRCUIT AND SIGNAL AMPLIFYING DEVICE
#380Digitally controlled AC protection and attenuation circuit
#381Thermal feedback for switch mode amplification
#382Sound volume adjusting apparatus
#383Protection circuit for power amplifier
#384Systems and methods for saturation detection and corection in a power control loop
#385Transmission circuit and radio communication apparatus
#386Power amplification device for satellite communication device
#387OPTIMISING OPERATING TEMPERATURE IN A POWER AMPLIFIER
#388Circuit device and method of coupling to an antenna
#389AMPLIFIER CIRCUIT
#390INTEGRATED CIRCUIT DEVICE
#391Amplifying device
#392Integrated circuits and methods for enabling high-speed AC-coupled networks to suppress noise during low-frequency operation
#393Source driver and display utilizing the source driver
#394V-band radio frequency electrostatic discharge protection circuit
#395CMOS RF power amplifier with LDMOS bias circuit for large supply voltages
#396System and method for over-voltage protection of a power amplifier
#397SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
#398Power amplifier
#399Protective device against abnormality for positive and negative dual power supply circuit
#400RADIO FREQUENCY (RF) POWER LIMITER AND ASSOCIATED METHODS
#401Low dissipation amplifier
#402METHOD OF DETERMINING AN IMPEDANCE FUNCTION OF A LOUDSPEAKER
#403Public-address system
#404DYNAMIC THERMAL MANAGEMENT SYSTEM AND METHOD
#405Electrostatic discharge protection oscillation circuit in LSI
#406Current sense amplifier
#407Six port linear network single wire multi switch transceiver
#408TWO STAGE SURGE PROTECTION FOR SINGLE WIRE MULTI SWITCH TRANSCEIVER
#409Resonant operating mode for a transistor
#410Synchronized temperature protection for class-AB amplifiers
#411True current limiting
#412Instrumentation input systems
#413Output short circuit and load detection
#414Methods, design structures, and systems for current mode logic (CML) differential driver ESD protection circuitry
#415Power amplifiers having improved protection against avalanche current
#416PULSE MODULATION TYPE ELECTRIC POWER AMPLIFIER
#417Power amplifier output voltage reduction method
#418Amplifier for improving electrostatic discharge characteristic
#419Thermal protection of electro dynamic transducers used in loudspeaker systems
#420Bypass device for microwave amplifier unit
#421Output stage circuit
#422Output DC offset protection for class D amplifiers
#423Device and method for improved settling time in multiplexed input systems
#424Operational amplifier
#425Class-D amplifier and method therefor
#426Current limiting circuit for RF power amplifier
#427INTEGRATED CONTROLLING CHIP
#428Overcurrent detection device
#429Shared linearity maintenance in power amplifiers
#430Amplifier having an output protection, in particular operational amplifier for audio application
#431Differential amplifier
#432Overload recovery circuit for folded cascode amplifiers
#433Circuit arrangement for the protection of electronic components or assemblies
#434High-swing operational amplifier output stage using adaptive biasing
#435Output limiting circuit, class D power amplifier and audio equipment
#436Low side driver
#437Load testing circuit
#438Circuit for inhibiting over-current in power amplifier
#439High power RF solid state power amplifier system
#440Power amplifier amplitude modulator system and method
#441Balanced amplifier with protection circuit
#442Power amplifier system provided with improved protection function
#443Radio-frequency power amplifier
#444Configurable, variable gain LNA for multi-band RF receiver
#445Composite integrated semiconductor device
#446Method and apparatus for protecting devices in an RF power amplifier
#447Power amplifier for amplifying high-frequency (H.F.) signals
#448Digital audio amplifier and digital audio amplifying method therefor
#449Flat-panel television and audio equipment
#450Peak Voltage Protection Circuit and Method
#451Serial link output stage differential amplifier and method
#452Television set and audio output unit
#453Power amplifier circuit, control method thereof and control program thereof
#454Adaptive protection circuit for a power amplifier
#455Design structure for a serial link output stage differential amplifier
#456Power combiner
#457Shared linearity maintenance in power amplifiers
#458Methods and apparatus to detect impedance at an amplifier output
#459Electron turbulence damping circuit for a complimentary-symmetry amplification unit
#460Sound card having feedback calibration loop
#461PROTECTION AND AUTOMATIC RECOVERY CIRCUIT SYSTEM
#462Deep sub-micron MOS preamplifier with thick-oxide input stage transistor
#463Short circuit protection with reduced offset voltage
#464Oscillation circuit
#465By-pass arrangement of a low noise amplifier
#466Electrostatic discharge (ESD) protection arrangement and ESD protection method
#467Differential amplifier using body-source cross coupling
#468Apparatus and method of feeding internal calibration signal through electro-static discharge protection circuitry
#469Serial link output stage differential amplifier and method
#470High-voltage operational amplifier input stage and method
#471Doherty amplifier
#472Audio control method and audio processing system
#473System and method for power amplifier output power control
#474System and method for power amplifier output power control
#475Amplifier for improving electrostatic discharge characteristic
#476Reduction of voltage spikes in switching half-bridge stages
#477Medium Voltage or High Voltage Audio Power Amplifier and Protection Circuit
#478Abnormality detection circuit
#479TIMER RESET CIRCUIT FOR OVERCURRENT PROTECTION OF SWITCHING POWER AMPLIFIER
#480Current limit circuit for compensating for output load mismatch of an RF power amplifier
#481Protected digital audio driver
#482System and method for linearizing a CMOS differential pair
#483Microelectronic device equipped with a thermal protection circuit and thermal protection method for a microelectronic device
#484Semiconductor integrated circuit device
#485Stacked RF power amplifier
#486Amplifier circuit, semiconductor device and electronic apparatus
#487Differential amplifier and method
#488Radio frequency integrated circuit electro-static discharge circuit
#489Serial link receiver with wide input voltage range and tolerance to high power voltage supply
#490Operational amplifier
#491Protection circuit for an input stage, and respective circuit arrangement
#492Shorted input detection for amplifier circuits
#493Semiconductor device
#494Transmit/receive circuit with PIN diodes
#495Transmitter with intelligent preconditioning of amplifier signal
#496Apparatus for electrostatic discharge protection of bipolar emitter follower circuits
#497Composite integrated semiconductor device
#498Transmitter and control method for same
#499Amplifier unit and method of detecting failure in the same
#500Apparatus and method for controlling temperature of electronic apparatus
#501Amplifier thermal management
#502Multifunction-RF-circuit
#503Semiconductor amplifier
#504Pulse modulation type electric power amplifier
#505Circuit with an arrangement for the detection of an interrupted connecting line
#506Class E amplifier with inductive clamp
#507Wideband CMOS gain stage
#508Differential amplifier with over-voltage protection and method
#509PWM feedback/feed-forward protection
#510Systems and methods for over-current protection
#511POWER AMPLIFIER BIAS PROTECTION FOR DEPLETION MODE TRANSISTOR
#512System and method for current overload response with class D topology
#513Method and apparatus for controlling an output voltage in a power amplifier
#514Radiofrequency (RF) and/or microwave power amplification device and corresponding radiocommunication terminal
#515Power amplifier
#516Transimpedance amplifier protection circuits
#517Semiconductor integrated circuit device
#518Preserving linearity of an isolator-free power amplifier by dynamically adjusting gain and phase
#519Overcurrent detection circuit and switching circuit
#520Preserving linearity of an isolator-free power amplifier by dynamically switching active devices
#521Method and apparatus for protecting devices in an RF power amplifier
#522Output offset protection for power amplifier
#523Analog preamplifier calibration
#524SWITCHING AMPLIFIER WITH OUTPUT FILTER FEEDBACK
#525Electrostatic Discharge Protection Receiving System
#526Radio frequency power amplifier circuit
#527Power amplifier system provided with improved protection function
#528ESD protection circuits for RF input pins
#529Voltage overload protection circuits
#530ESD unit protection cell for distributed amplifiers
#531Variable threshold bipolar signal peak detector
#532SPEAKER PROTECTION CIRCUIT
#533Soft-start circuit and method for power-up of an amplifier circuit
#534Electrostatic discharge protected circuits
#535Power amplifier and wireless communication device
#536Protection circuit
#537Method and apparatus for protecting RF power amplifiers
#538Protection circuit of digital amplifier
#539Radio frequency excitation arrangement including a limiting circuit
#540Radio frequency power amplifier module
#541High reliability RF generator architecture
#542Compartmental gain limiter and controlling method thereof
#543Circuit arrangement having an amplifier arrangement and an offset compensation arrangement
#544Electrostatic discharge protection circuit and method
#545Methods and apparatus for reducing output current oscillations of a driver provided with circuitry that senses and responds to excessive current draws of an output stage of the driver
#546ESD protection structure
#547Active limiter with integrated sensor
#548Output current control and overload protection in digital audio amplifiers
#549ESD protection circuits with impedance matching for radio-frequency applications
#550Circuit arrangement with a short-circuit protective circuit
#551Method for dynamic insertion loss control for 10/100/1000 MHz Ethernet signaling
#552Stacked RF power amplifier
#553Transceiver with receive path overload protection and method
#554Power protecting apparatus and method for power amplifier
#555Amplifier circuit and control method thereof
#556Semiconductor indicator for voltage diagnostics in power amplifiers
#557Protection of output stage transistor of an RF power amplifier
#558Amplifier fault detection circuit
#559Small signal amplifier with large signal output boost stage
#560Class E amplifier with inductive clamp
#561Semiconductor device
#562Linear amplifier and schmitt trigger using an analogue switch
#563Overcurrent protection device
#564Digital amplifier
#565Integrated booster amplifier
#566Voltage level detector for power amplifier protection control
#567Overcurrent detecting apparatus
#568Method and apparatus for limiting power amplifier voltage excursions
#569Use of a known common-mode voltage for input overvoltage protection in pseudo-differential receivers
#570Re-configurable amplifier protection apparatus and method
#571Current limit circuit for power amplifiers
#572Circuit for power amplification
#573Sound card having feedback calibration loop
#574Semiconductor device including capacitor having decoupling capacity
#575ESD protection for RF power amplifier circuits
#576High-frequency power amplifier
#577Radio frequency integrated circuit electo-static discharge circuit
#578Radio frequency power amplifier module
#579Distributed active transformer power control techiques
#580Output circuit
#581Power amplifier protection circuit and associated methods
#582Electric component for high frequency power amplifier
#583Semiconductor amplifier
#584Power supply controller and method for controlling power supply circuit
#585Wideband CMOS gain stage
#586System and method for linearizing a CMOS differential pair
#587Method and apparatus for protecting a switching amplifier from excess current
#588Voltage level detector for power amplifier protection control
#589Ultrasound membrane transducer collapse protection system and method
#590Compensation units for reducing the effects of self-heating and increasing linear performance in bipolar transistors
#591Fast-response current limiting
#592Circuit for controlling a cooling device
#593Method to control the supply power being provided to a power amplifier
#594Method to prevent saturation in power amplifier control loop
#595Communication terminal
#596Semiconductor integrated circuit device
#597Current limiting circuit with rapid response feedback loop
#598Monolithically fabricated HBT amplification stage with current limiting FET
#599Power amplifier module
#600Apparatus and method of limiting power applied to a loudspeaker