220223 ⎘
Gain control in amplifiers or frequency changers without distortion of the input signal Digital control of analog signals
Circuitry for and Methods of Gain Control
#2BUZZER DEVICE, BUZZER DRIVING SYSTEM AND METHOD THEREOF
#3PROGRAMMABLE TRANSIMPEDANCE AMPLIFIER
#4AMPLIFYING APPARATUS
#5COMPACT LOW NOISE AMPLIFIER SYSTEM
#6Programmable Gain Amplifier Having a Resistor Ladder with Multiple Current Paths
#7AUTOMATED TEST SYSTEM PROGRAMMABLE ATTENUATOR AND METHOD FOR PARALLEL ANALOG TIMING TESTS
#8AMPLIFIER
#9BIDIRECTIONAL INTEGRATED LOW TEMPERATURE COEFFICIENT CURRENT SENSOR
#10ANALOG FRONT-END CHIP AND OSCILLOSCOPE
#11PROGRAMMABLE GAIN AMPLIFIER AND A DELTA SIGMA ANALOG-TO-DIGITAL CONVERTER CONTAINING THE PGA
#12CIRCUIT FOR ATTENUATING SIGNAL RECEIVED THROUGH ANTENNA TO IMPROVE SNR, ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD FOR CONTROLLING THE SAME
#13SOUND SIGNAL PROCESSING METHOD AND SOUND SIGNAL PROCESSING DEVICES
#14VARIABLE GAIN AMPLIFIER WITH COMPLEMENTARILY SWITCHED NEUTRALIZED DIFFERENTIAL PAIR
#15AMPLIFIERS
#16AUDIO PROCESSING
#17Volume Management in a Media Playback System
#18PROGRAMMABLE GAIN AMPLIFIER, INTEGRATED CIRCUIT, ELECTRONIC DEVICE, AND FREQUENCY CORRECTION METHOD
#19Network Device for Media Playback
#20Tunable Effective Inductance for Multi-Gain LNA with Inductive Source Degeneration
#21Optimized Multi Gain LNA Enabling Low Current and High Linearity Including Highly Linear Active Bypass
#22Audio processing apparatus and method having echo canceling mechanism
#23COMPACT LOW NOISE AMPLIFIER SYSTEM
#24AMPLIFIER CIRCUIT WITH VARIABLE TEMPERATURE COEFFICIENT OF GAIN, AND CIRCUIT FOR GENERATING VOLTAGE WITH VARIABLE TEMPERATURE COEFFICIENT, WHICH BECOMES REFERENCE POTENTIAL AT REFERENCE TEMPERATURE, DIRECT VOLTAGE GENERATING CIRCUIT, AND CIRCUIT FOR COMPENSATING FOR TEMPERATURE DRIFT OF ANOTHER AMPLIFIER CIRCUIT, WHICH USE THE AMPLIFIER CIRCUIT
#25Apparatus for noise reduction in audio signal processing
#26Analog signal analog-to-digital converter
#27Analog signal time gain amplifier
#28Analog signal voltage controlled amplifier
#29Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA
#30Variable gain amplifier including impedance ladder circuit with exponentially dependent degeneration resistance
#31Systems and methods for linear variable gain amplifier
#32Playback device control
#33Volume management in a media playback system
#34Tunable effective inductance for multi-gain LNA with inductive source degeneration
#35Dynamic automatic gain controller configuration in multiple input and multiple output receivers
#36Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass
#37METHODS RELATED TO AMPLIFICATION OF RADIO-FREQUENCY SIGNALS
#38Signal gain determination circuit and signal gain determination method
#39Two-stage audio gain circuit based on analog-to-digital conversion and audio terminal
#40SYSTEMS AND METHODS FOR TIA BASE CURRENT DETECTION AND COMPENSATION
#41Field effect transistor circuits
#42ADC circuitry
#43Apparatus and methods for envelope tracking systems with automatic mode selection
#44Method and apparatus to speed convergence and control behavior of digital control loop
#45Digitally controlled variable gain amplifier
#46Multi-input amplifier with individual bypass paths
#47Providing a constant impedance at an input of a signal amplifier for different gain modes
#48Femtowatt non-vacuum tube detector assembly
#49Power supply for voltage controlled oscillators with automatic gain control
#50Hybrid receiver front-end
#51Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA
#52Automatic gain control for analog to digital converters
#53Volume level meter
#54Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass
#55Analog-to-digital converter with dynamic range enhancer
#56Voltage detection circuit
#57Method and system for gain control in a communications device
#58Variable gain amplifiers for communication systems
#59Amplifying signals using compensating impedances to improve return loss and mismatch over gain modes
#60Radio Frequency Signal Attenuator And Method of Operation Thereof
#61Sigma delta analog to digital converter
#62Transmitter power detection method
#63Volume management in a media playback system
#64Variable-phase amplifier circuits and devices
#65Systems and methods for TIA base current detection and compensation
#66Charge-scaling multiplier circuit with digital-to-analog converter
#67Fully-differential programmable gain amplifier
#68Apparatus and methods for envelope tracking systems with automatic mode selection
#69Emission control for receiver operating over UTP cables in automotive environment
#70Power supply for voltage controlled oscillators with automatic gain control
#71Multi-input amplifier with variable gain for individual inputs
#72Speech intelligibility enhancing system
#73Detecting unwanted audio signal components by comparing signals processed with differing linearity
#74Amplifier with scalable impedance adjustments over gain modes
#75System and method to optimize equalization coefficients in a high-speed serial interface
#76Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA
#77System and method for control of an analog device
#78Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers
#79Full-scale range enhancement in a dual-path pulse width modulation playback system
#80Sound effect configuration method and system and related device
#81Variable gain amplifiers for communication systems
#82Speaker volume preference learning
#83Playback device control
#84METHODS OF ADJUSTING BAND-BASED AMPLIFIER LINEARITY
#85Combined resistance circuit and variable gain amplifier circuit
#86Femtowatt non-vacuum tube detector assembly
#87Speaker distortion reduction
#88DC offset calibration circuit
#89Variable gain circuit and transimpedance amplifier using the same
#90Transmitter circuit with power detection
#91Sound effect configuration method and system and related device
#92Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass
#93Apparatus and methods for envelope tracking systems with automatic mode selection
#94Amplifier circuit, reception circuit, and semiconductor integrated circuit
#95Volume management in a media playback system
#96Device for digital processing of analog sound effects
#97Radio receiver with smart listening mode
#98Control system for a power amplifier
#99Open-loop linear VGA
#100Speaker volume preference learning
#101Circuit for and method of implementing a multifunction output generator
#102Spectrometer and spectrum measurement method thereof
#103Variable gain amplifier
#104Switched capacitor based digital step attenuator
#105Sound signal processing apparatus and imaging device using same
#106LNA with programmable linearity
#107Receiver testing
#108Programmable gain amplifier
#109Wide bandwidth variable gain amplifier and exponential function generator
#110Amplitude limiting oscillation circuit
#111Fast settling peak detector
#112Linear high voltage driver with programmable differential and common mode gain
#113Method of controlling amplifiers, corresponding circuit and device
#114Transimpedance amplifier for high-speed optical communications based on linear modulation
#115Apparatus and methods for envelope tracking systems with automatic mode selection
#116Low capacitance switch for programmable gain amplifier or programable gain instrumentation amplifier
#117Low capacitance analog switch or transmission gate
#118Amplifier with improved return loss and mismatch over gain modes
#119Multi-input amplifier with programmable embedded attenuators
#120Low-noise amplifier having programmable-phase gain stage
#121Multi-input amplifier with improved return loss and mismatch over gain modes
#122Method and device for generating received signal strength indication
#123Analog signal automatic gain control over copper pairs
#124Selectable programmable gain or operational amplifier
#125Physical quantity detection circuit, physical quantity detection device, electronic apparatus, and vehicle
#126Wireless-transmitter circuits including power digital-to-amplitude converters
#127Digitally-controlled transimpedance amplifier (TIA) circuit and methods
#128Programmable amplifier circuit capable of providing large or larger resistance for feedback path of its amplifier
#129Front-end amplifier circuits for biomedical electronics
#130System and method for generating multimedia accompaniments to broadcast data
#131Control system for a power amplifier
#132Oscillator with dynamic gain control
#133Band-based amplifier linearity adjustment
#134Femtowatt non-vacuum tube detector assembly
#135Loudspeaker protection circuitry and methods
#136Oscillator with dynamic gain control
#137Audio output balancing
#138Audio output balancing
#139Multimode reconfigurable amplifier and analog filter including the same
#140Method for stabilizing the gain of a discrete-state automatic gain control circuit
#141Upstream power amplifier
#142Audio output balancing
#143Audio output balancing
#144DC offset calibration of wireless receivers
#145Radio frequency receiver and automatic gain control method of radio frequency receiver
#146Trans-impedance amplifier with replica gain control
#147Circuits and methods for reducing supply sensitivity in a power amplifier
#148Wireless-transmitter circuits including power digital-to-amplitude converters
#149Selectable programmable gain or operational amplifier
#150Optical modulator driver circuit and optical transmitter
#151Playback device volume management
#152Maintaining spatial stability utilizing common gain coefficient
#153Audio output balancing
#154Systems and methods for gain calibration of an audio signal path
#155Audio output balancing
#156Amplifier control systems and methods
#157Apparatus and method for monitoring electrical current
#158Reducing audio artifacts in a system for enhancing dynamic range of audio signal path
#159System and method for leakage current control for programmable gain amplifiers
#160Signal processing system and signal processing method cooperating with variable gain amplifier
#161Capacitive programmable gain amplifier
#162Differential amplification circuit and semiconductor integrated circuit
#163Analog baseband filter for radio transceiver
#164Digital/analogue conversion
#165Neural induced enhancement of audio signals
#166Effecting voice communication in a sound-restricted environment
#167Audio output balancing during synchronized playback
#168Audio output balancing during synchronized playback
#169Amplifier circuit and method of amplifying a signal in an amplifier circuit
#170Dynamic range control gain encoding
#171System and method for generating multimedia accompaniments to broadcast data
#172Resistive ladder
#173Control of multiple playback devices
#174Quantity adjusting apparatus
#175Digital receiver system activated by RSSI signal
#176Closed loop control system, and an amplifier in combination with such a closed loop control system
#177Distance based rendering of media files
#178Programmable gain amplifier and devices including the same
#179Gain controlling system, sound playback system, and gain controlling method thereof
#180Automatic gain control of a received signal using a power target
#181System and method for improving signal to noise ratio for high frequency signal component
#182Method and device for reducing acoustic feedback
#183Analog baseband filter for radio transceiver
#184System and method of filtering an audio signal prior to conversion to an MU-LAW format
#185Maintaining spatial stability utilizing common gain coefficient
#186Sound processing apparatus, method, and program
#187Contactless volume control device with adjustable gain and multi-output
#188Amplifier circuit
#189User terminal apparatus, electronic device, and method for controlling the same
#190Differential amplifier
#191Amplifier circuit and method of amplifying a signal in an amplifier circuit
#192Programmable-gain amplifier
#193Circuit and transmitter for reducing transmitter gain asymmetry variation
#194Radio frequency front-end circuit and operation method thereof
#195Instrumentation input systems
#196Noise masking communications apparatus
#197BEMF monitor gain calibration stage in hard disk drive servo integrated circuit
#198Methods and systems for determining audio loudness levels in programming
#199TECHNIQUES FOR PGA LINEARITY
#200Amplifier and filter having variable gain and cutoff frequency controlled logarithmically according to digital code
#201Method and system for auto-ranging analog-to-digital converter for current sensing
#202Thermally compensated CATV gain control apparatus and firmware
#203Sigma-delta modulator approach to increased volume resolution in audio output stages
#204Systems, methods, apparatus, and articles of manufacture to control audio playback devices
#205Distance-based rendering of media files
#206Method of diminishing the minimum range of operation of a communication link
#207Method and apparatus for environmental noise compensation by determining a presence or an absence of an audio event
#208System for adjusting perceived loudness of audio signals
#209Amplifier circuit and method of amplifying a signal in an amplifier circuit
#210Delta-sigma modulator approach to increased amplifier gain resolution
#211Digital Potentiometer Using Third Dimensional Memory
#212Pseudo digital gain control for broadband tuner
#213Determining automatic gain control levels
#214Power amplifier, wireless communication device, and power amplification method
#215Digital automatic gain control circuits and methods for controlling the amplitude of a time-varying signal
#216Sound volume control circuit
#217Battery power monitoring and audio signal attenuation
#218Circuit arrangement and method for setting an analog output signal
#219Adaptive gain adjustment system
#220Circuit, system and method for isolating a transducer from an amplifier in an electronic device
#221Integrated upstream amplifier for cable modem and cable set-top boxes
#222Instrumentation input systems
#223Automatic gain control
#224AUDIO EQUIPMENT AND A CONTROL METHOD THEREOF
#225System for driver amplifier
#226Amplifier with automatic gain profile control and calibration
#227Transmitter gain control and calibration
#228Passive transmitter architecture with switchable outputs for wireless applications
#229Mixed-mode receiver circuit including digital gain control
#230Signal processing apparatus
#231Amplifier circuit and method of amplifying a signal in an amplifier circuit
#232Electronic device and integrated circuit comprising a gain control module and method therefor
#233Programmable gain amplifier and embedded filter
#234Signal processing device and signal processing method
#235Signal processing device and signal processing method
#236Programmable gain attenuator with a wide attenuation range and a fine attenuation step size
#237Addressable amplified speaker assembly and method for addressing the same
#238Automatic gain control
#239System and method for interpolating digitally-controlled amplifier gain
#240System and method for digital control of amplifier gain with reduced zipper noise
#241AUDIO OUTPUT DEVICES
#242Gain control circuit and its gain control method
#243Method and system for amplifier control
#244Electronic volume circuit
#245Digital Attenuator Circuits and Methods for Use thereof
#246Programmable gain amplifier
#247Apparatus for processing an audio signal and method thereof
#248Amplifier with automatic gain profile control and calibration
#249Gain control for a receiver in a multi-carrier communication system
#250Apparatus for processing an audio signal and method thereof
#251AGC circuit
#252Adaptive radio transceiver with an antenna matching circuit
#253Amplifying device and its control method
#254Amplifier circuit
#255Amplifier assembly, receiver comprising said assembly and method for operating a programmable amplifier
#256Audio signal amplification
#257Switched current resistor programmable gain array for low-voltage wireless LAN and method using the same
#258Digital potentiometer using third dimensional memory
#259Signal level detection method
#260Adapter for connecting accessories to an electronic device
#261Programmable gain amplifier
#262Adjustble gain signal processing device
#263SYSTEM FOR PROCESSING AUDIO DATA
#264Amplification control device, test signal generation module, test device, amplification control method, program, and recording medium
#265Toy gun mechanism with a sliding bolt assembly
#266Gain control circuit of the wireless receiver
#267Instrumentation input systems
#268Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication
#269Reproducing apparatus and reproducing method
#270Integrated circuit arrangement for generating a digital variable gain control signal
#271Receiving amplitude correction circuit, receiving amplitude correction method, and receiver using the same
#272Amplifier with automatic gain profile control and calibration
#273System and Method for Programmable Pre-Amplification of a Signal
#274Optical receiver
#275Variable resistor array and amplifier circuit
#276Receiving level control apparatus and receiver
#277Technique for tuner automatic gain control circuit for mobile television applications
#278Gain control method and apparatus
#279Feed-forward automatic-gain control amplifier (FFAGCA) for biomedical applications and an associated method
#280Automatic gain control using signal and interference power to obtain extended blocking performance
#281Power control circuit and power control method
#282AGC method using digital gain control
#283DAC based switching power amplifier
#284AUTO GAIN CONTROL AMPLIFIER, AUTO GAIN CONTROL SYSTEM AND AUTO GAIN CONTROL METHOD
#285System for adjusting perceived loudness of audio signals
#286Amplifier arrangement
#287Receiver and method for receiving wireless signals
#288System and method for signal level detection
#289Automatic gain control circuit using gain shift
#290Programmable gain circuit
#291AGC circuit
#292Programmable-gain amplifier systems to facilitate low-noise, low-distortion volume control
#293Method and system for compensation of DC offset in an RF receiver
#294Fast predictive automatic gain control for dynamic range reduction in wireless communication receiver
#295High resolution variable gain control
#296Methods and systems for determining audio loudness levels in programming
#297Gain controlled amplifier and cascoded gain controlled amplifier based on the same
#298Apparatus capable of switching volume adjustment mode automatically and volume adjustment method thereof
#299Feedback limiter with adaptive time control
#300Automatic gain control circuit, receiving apparatus and automatic gain control method