220209 ⎘
Details of arrangements for controlling amplification; Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
Sub-classes:Pressure-Controlled Audio Ducking Circuit
#2SQUELCH DETECTOR
#3Time gain compensation circuit in an ultrasound receiver
#4Automatic gain control loop
#5Variable gain amplifiers for communication systems
#6Control of switches in a variable impedance element
#7Automatic gain control loop
#8Automatic gain control loop
#9Differential transimpedance amplifier
#10Method and system for linearizing an amplifier using transistor-level dynamic feedback
#11Variable gain amplifiers for communication systems
#12Variable gain circuit and transimpedance amplifier using the same
#13Contactless communication device with differential receiver input voltage stabilization
#14Control of switches in a variable impedance element
#15Time gain compensation circuit in an ultrasound receiver
#16Amplification circuit
#17METHOD AND SYSTEM FOR LINEARIZING AN AMPLIFIER USING TRANSISTOR-LEVEL DYNAMIC FEEDBACK
#18Semiconductor device
#19Transimpedance amplifier for high-speed optical communications based on linear modulation
#20Amplification circuit
#21Amplifier
#22Variable gain low noise amplifier
#23Headphone driver, a sound system that incorporates the headphone driver and a computing system that incorporates the headphone driver
#24Linear low noise amplifier
#25Variable gain amplifier and driver implementing the same
#26Differential transimpedance amplifier
#27Method and system for linearizing an amplifier using transistor-level dynamic feedback
#28Amplification circuit and method of compensating for voltage offset of inputs
#29Trans-impedance amplifier with replica gain control
#30Programmable impedance network in an amplifier
#31Circuits and methods for modulating current in circuits comprising sensing elements
#32Voice coil protection using damping
#33Trans-impedance amplifier with replica gain control
#34Method and apparatus for current steering in high sensitivity, high linearity and large dynamic range high speed trans-impedance amplifiers
#35Fixed gain amplifier circuit
#36PROGRAMMABLE IMPEDANCE NETWORK IN AN AMPLIFIER
#37Multi-varactor approach for improved VCO gain
#38Multistage amplifier
#39Fixed gain amplifier circuit
#40Nonlinear class AB input stage
#41Method and system for linearizing an amplifier using transistor-level dynamic feedback
#42Variable-gain dual-output transconductance amplifier-based instrumentation amplifiers
#43Low noise variable gain amplifier utilizing variable feedback techniques with constant input/output impedance
#44Detection circuit for generating biological information
#45Variable-gain low noise amplifier
#46Analog to digital conversion
#47High speed transimpedance amplifier
#48Voltage controlled variable gain amplifier circuit
#49Differential voltage sensing method
#50Amplifier with non-linear current mirror
#51Differential voltage sensing system and method for using the same
#52Amplifier circuit with step gain
#53Logarithmic mean-square power detector with servo control loop
#54Variable gain amplification device
#55Source Follower Attenuator
#56Variable gain amplifier
#57Output stage with adaptive bias control
#58Variable gain amplifier circuit and filter circuit
#59Power control device for a signal with optimized input dynamics
#60Feedback amplifier and audio system thererof
#61Post phase-inverter volume control
#62Differential audio amplifier
#63System and method for providing a configurable inductor less multi-stage low-noise amplifier
#64Variable-gain wide-dynamic-range amplifier
#65Audio adapter having volume adjusting function
#66Power amplifier
#67Low noise amplifier
#68Input stage
#69ANALOG SOURCE DRIVING APPARATUS
#70Variable gain amplifier circuit and filter circuit
#71Method and system for calibrating a plurality of modules in a communication system
#72Method and system for digitally controlling transmitter gain compensation
#73Variable gain feedback amplifier circuit apparatus and method therefor
#74Wide dynamic range switching variable gain amplifier and control
#75VARIABLE GAIN AMPLIFIER
#76Gain variable amplifier
#77Voltage to current converter and method for converting
#78Amplifier with capacitor selection
#79Radio frequency low noise amplifier with automatic gain control
#80Variable attenuation system having continuous input steering
#81Automatic gain control loop
#82Variable gain amplifiers for communication systems
#83Instrument interconnect system